Area Forecast Matrices
Issued by NWS Des Moines, IA

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Area Forecast Matrices
National Weather Service Des Moines IA
631 AM CDT Tue Aug 18 2026

IAZ004-182100-
Emmet-
Including the city of Estherville
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      78          58          78          58          79
Temp             68 70 75 77 74 66 63 60 58 69 75 77 74 65 62 60 59 70 77 79 76
Dewpt            66 66 69 69 68 65 62 59 57 63 63 63 63 61 59 59 59 65 67 69 69
RH               93 87 82 76 82 97 97 96 96 81 66 62 69 87 90 96100 84 71 72 79
Wind dir          W  W NW NW  N  N NW  N SW SE  S NW SE SE  S SW SW SW SW  S  S
Wind spd          5  8  5  4  4  3  3  2  1  2  3  3  3  4  4  5  5  8 11 11  9
Clouds           B2 B1 SC SC SC SC SC SC B1 SC SC B1 FW SC FW FW FW FW FW FW SC
PoP 12hr                     40          20          20          20          30
QPF 12hr                   0.05           0           0           0   0.00-0.06
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  S  S  S  S                 S  S                 C  C  C
Tstms             C  C  S  S  S                    S  S                 S  C  C


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          62    81      60    77      58    77      59    78
Temp          66 62 78 78   65 60 75 74   62 59 74 74   63 60 76 76
Dewpt         64 62 68 68   61 57 62 63   57 57 64 66   62 60 68 69
PWind dir        SW     W      NW     N       W     S       S     S
Wind char        GN    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC FW FW   FW FW FW FW   FW SC B1 SC   SC SC B1 SC
PoP 12hr         40    20      20     0      10    10      20    10
Rain shwrs     C  C  S  S    S                           S  S
Tstms          C  S  S  S    S                              S

$$
IAZ005-182100-
Kossuth-
Including the city of Algona
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      78          58          78          57          79
Temp             67 71 75 77 74 67 63 60 58 69 76 77 74 65 62 60 58 70 77 79 76
Dewpt            66 67 71 72 71 67 63 60 58 65 65 65 66 63 61 60 58 67 69 71 71
RH               97 87 87 85 90100100100100 87 69 67 76 93 97100100 90 76 77 85
Wind dir         SW SW NW NW  N  N NW  N SE  E SE NW SE SE  S SW SW SW SW  S  S
Wind spd          4  8  5  4  4  3  2  2  1  2  3  2  2  3  3  3  3  6 10 11  9
Clouds           B1 SC SC SC B1 SC SC SC B1 FW SC SC SC SC FW FW FW FW FW FW SC
PoP 12hr                     40          30          20          10          30
QPF 12hr              0.01-0.06           0           0           0   0.00-0.06
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  S  S  S  C                    S                 C  C  C
Tstms             C  C  S  S  S                       S                 S  C  C


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          61    81      60    78      57    77      60    79
Temp          66 62 79 78   65 60 75 74   62 59 75 74   64 61 76 76
Dewpt         65 62 71 71   63 59 66 66   59 58 67 68   63 61 70 71
PWind dir        SW     W      NW     N       W     S      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC FW FW   FW FW FW FW   FW SC B1 SC   SC SC B1 SC
PoP 12hr         40    20      20     0      10    10      20    10
Rain shwrs     C  C  S  S    S                           S  S
Tstms          S  S  S  S    S                              S

$$
IAZ006-182100-
Winnebago-
Including the cities of Forest City and Lake Mills
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      77          57          77          57          78
Temp             67 71 74 75 74 66 63 59 58 68 75 76 74 65 62 59 58 70 76 78 75
Dewpt            65 67 70 70 69 65 62 59 57 64 63 63 64 61 59 59 58 65 67 69 69
RH               93 87 87 84 84 97 97100 96 87 66 64 71 87 90100100 84 74 74 82
Wind dir         SW  W  N NW NW  N NW  N  E  E  N NW  E  S  S SW SW SW SW SW  S
Wind spd          3  8  5  4  3  2  2  1  0  2  3  2  1  2  3  2  3  6 10 11  8
Clouds           B1 B1 B1 SC SC SC SC SC SC FW SC SC SC SC FW FW FW FW FW FW SC
PoP 12hr                     40          30          10          10          30
QPF 12hr                   0.04           0           0           0   0.00-0.06
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  S  S  C  C                                      C  C  C
Tstms             C  C  S  S  S                                         S  C  S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          61    81      59    77      57    76      59    77
Temp          65 62 78 77   65 60 75 74   62 58 74 73   63 60 75 75
Dewpt         65 62 70 69   63 59 64 64   58 57 65 67   63 60 68 69
PWind dir        SW     W      NW     N       W     S      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC FW   FW FW FW FW   FW SC SC SC   B1 SC B1 SC
PoP 12hr         40    10      20     5      10    10      20    10
Rain shwrs     C  C  S  S    S                              S
Tstms          S        S    S

$$
IAZ007-182100-
Worth-
Including the cities of Northwood and Manly
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      77          57          76          56          78
Temp             66 70 74 75 74 66 63 59 58 68 75 76 73 64 61 59 57 69 76 78 74
Dewpt            64 67 69 69 68 65 63 59 58 62 61 61 63 61 59 58 57 64 66 66 67
RH               93 90 84 82 82 97100100100 81 62 60 71 90 93 96100 84 71 67 79
Wind dir         SW  W  N NW NW  N  N NW  N  E  N NW NE  S  S SW SW SW SW SW SW
Wind spd          4  6  4  4  4  2  2  1  1  2  2  3  1  2  2  2  2  4  9 10  8
Clouds           B1 B1 B1 SC SC SC SC SC SC FW SC SC SC SC FW FW FW FW FW FW SC
PoP 12hr                     40          30           5          10          30
QPF 12hr                   0.05           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  S  S  C  S                                      C  C  C
Tstms             C  C  S  S  S                                         S  S  S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          61    81      60    76      56    75      59    77
Temp          65 62 78 77   65 60 75 73   62 58 73 73   63 59 75 75
Dewpt         64 62 69 68   63 60 63 63   58 57 64 65   62 59 67 68
PWind dir        SW     W      NW    NW      NW    SE      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC FW   FW FW FW FW   FW SC SC SC   B1 SC B1 SC
PoP 12hr         40    20      20     5       5    10      20    10
Rain shwrs     C  C  S       S                              S
Tstms          S     S       S

$$
IAZ015-182100-
Palo Alto-
Including the city of Emmetsburg
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      79          58          79          57          80
Temp             67 70 76 78 75 67 63 60 58 69 76 77 74 65 62 59 58 70 77 79 76
Dewpt            66 66 71 72 70 66 63 60 58 65 65 65 65 62 60 59 58 66 69 71 71
RH               97 87 85 82 84 97100100100 87 69 67 74 90 93100100 87 76 77 85
Wind dir         SW SW NW NW NW  N  N  N SE SE SE  S SE SE  S SW SW SW SW  S  S
Wind spd          4  8  4  4  3  3  2  2  1  2  2  2  2  3  3  3  3  6 10 10  6
Clouds           B1 SC SC SC SC SC SC SC B1 SC B1 SC SC SC FW FW FW FW FW FW SC
PoP 12hr                     50          20          20          20          20
QPF 12hr              0.02-0.07   0.00-0.08           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  S  S  S  S                 S  S                 S  S  C
Tstms             C  C  S  S  S                    S  S                 S  S  C


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          61    82      60    79      58    78      59    79
Temp          65 62 79 78   65 60 76 74   62 59 75 74   63 60 77 76
Dewpt         64 62 71 71   62 58 65 66   58 58 66 68   63 60 69 71
PWind dir        SW     W      NW     N      NE    SE      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC FW FW   FW FW FW FW   SC SC B1 SC   SC SC B1 SC
PoP 12hr         40    10      20     5      10    10      20    10
Rain shwrs     C  C  S       S                           S  S
Tstms          C  S  S       S                           S  S

$$
IAZ016-182100-
Hancock-
Including the cities of Garner, Britt, and Kanawha
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      77          58          77          57          79
Temp             67 71 75 76 74 67 63 60 58 68 75 76 74 65 61 59 58 69 76 78 75
Dewpt            65 67 70 70 69 66 63 60 58 64 63 63 64 62 60 59 58 65 67 68 68
RH               93 87 84 82 84 97100100100 87 66 64 71 90 97100100 87 74 71 79
Wind dir         SW  W NW NW NW  N  N  N  E  E NE NW  E SE  S SW SW  S SW SW  S
Wind spd          4  8  5  4  4  2  2  2  1  2  2  2  1  2  2  2  2  5  9 10  6
Clouds           B1 SC B1 SC B1 SC SC SC B1 FW SC SC SC SC FW FW FW FW FW FW SC
PoP 12hr                     30          40          10          10          20
QPF 12hr                   0.05           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  S  S  C  C                    S                 S  S  C
Tstms             C  C  S  S  S                       S                 S  S  S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          61    81      60    77      57    76      59    78
Temp          65 62 78 77   65 60 75 74   61 58 74 73   63 60 75 75
Dewpt         64 62 70 70   63 59 64 64   58 57 65 66   62 60 68 69
PWind dir        SW     W      NW     N      NW     S      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC FW   FW FW FW FW   FW SC SC SC   B1 SC B1 SC
PoP 12hr         40    20      30     5      10    10      20    10
Rain shwrs     C  C  S  S    C                              S
Tstms          S  S     S    C                              S

$$
IAZ017-182100-
Cerro Gordo-
Including the cities of Mason City and Clear Lake
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      77          58          77          57          78
Temp             67 71 75 75 74 67 64 60 59 68 75 76 74 65 61 59 58 69 76 78 75
Dewpt            65 67 69 69 68 66 63 60 59 63 62 61 63 61 59 58 58 63 65 66 66
RH               93 87 82 82 82 97 97100100 84 64 60 69 87 93 96100 81 69 67 74
Wind dir         SW  W  N NW NW NW NW  N  N  E NE  N  E  S  S SW SW  S SW  S  S
Wind spd          4  8  4  4  3  2  2  2  1  2  2  2  1  2  2  2  1  3  8  9  6
Clouds           B1 SC B1 B1 B1 SC SC SC SC FW SC SC B1 SC FW FW SC FW FW FW SC
PoP 12hr                     30          40           5          10          20
QPF 12hr              0.04-0.11        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  S  S  C  C                                      S  S  C
Tstms             C  C  S  S  S                                         S  S  S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          61    81      60    77      57    76      59    77
Temp          65 62 78 77   65 60 75 74   62 59 73 73   63 60 75 74
Dewpt         64 62 68 68   63 60 62 62   58 58 63 64   62 60 66 67
PWind dir        SW     W      NW     N      NW    SE      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC FW   FW FW FW FW   FW SC SC SC   B1 SC B1 SC
PoP 12hr         40    20      30     5      10    10      20    10
Rain shwrs     C  C  S  S    C                              S
Tstms          S  S  S  S    C

$$
IAZ023-182100-
Pocahontas-
Including the cities of Pocahontas, Laurens, Rolfe, Fonda,
and Gilmore City
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      79          59          78          58          80
Temp             67 71 76 78 75 67 64 61 60 68 76 77 74 65 62 60 59 70 77 79 76
Dewpt            66 67 72 73 72 67 64 61 60 66 67 67 67 63 61 60 59 67 69 72 72
RH               97 87 87 85 90100100100100 93 74 71 79 93 97100100 90 76 79 87
Wind dir          W SW  W NW NW  N  N NE  N  E SE SE SE  E  S SW SW SW  S  S  S
Wind spd          4  8  3  3  2  1  1  1  1  1  1  0  0  1  2  2  1  3  6  6  3
Clouds           B1 B1 B1 SC B1 B1 SC B1 B2 SC B1 SC SC SC FW FW SC FW FW FW FW
PoP 12hr                     40          20          20          20          20
QPF 12hr              0.01-0.11   0.00-0.17           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  S  S  S                    S  S                 S  S  C
Tstms             C  C  S  S  S                    S  S                 S  S  C


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          61    83      60    78      58    77      60    79
Temp          65 62 80 78   65 61 76 74   62 59 75 74   63 61 77 76
Dewpt         65 62 72 73   64 60 67 68   59 59 68 70   63 61 71 72
PWind dir        SW     W      NW     N       E    SE      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC FW FW   FW FW SC FW   FW SC B1 B1   SC B1 B1 SC
PoP 12hr         30    10      20     5      10    20      20    10
Rain shwrs     C  C          S                   S       S  S
Tstms          S  S          S                           S  S

$$
IAZ024-182100-
Humboldt-
Including the city of Humboldt
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      79          60          79          58          80
Temp             67 71 76 78 75 68 65 62 60 68 76 78 75 66 62 60 59 70 77 80 76
Dewpt            66 67 72 72 71 68 65 62 60 66 66 66 66 63 61 60 59 66 68 70 71
RH               97 87 87 82 87100100100100 93 71 67 74 90 97100100 87 74 72 85
Wind dir         SW SW NW NW NW  N  N  N  N  E  E  E  E  E  S SW  S  S  S  S  S
Wind spd          3  8  5  4  3  2  2  2  1  2  2  2  2  2  2  2  2  4  8  9  5
Clouds           B1 SC SC SC B1 B1 SC B1 B2 SC SC SC SC B1 SC SC SC FW FW FW FW
PoP 12hr                     40          20          20          20          20
QPF 12hr              0.04-0.12   0.00-0.15           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  S  S  S  S                    S                 S  S  S
Tstms             C  C  S  S  S                       S                 S  S  S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          62    82      61    79      58    78      60    79
Temp          66 62 79 78   66 61 76 75   62 59 75 74   64 61 77 76
Dewpt         65 62 72 72   64 60 66 67   60 59 67 69   64 61 70 71
PWind dir        SW     W      NW     N       N    SE      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC FW FW   FW FW SC FW   SC SC B1 B1   B1 B1 B1 SC
PoP 12hr         40    10      20     5      10    10      20    10
Rain shwrs     S  C          S                              S
Tstms          S  S          S                              S

$$
IAZ025-182100-
Wright-
Including the cities of Eagle Grove, Clarion, and Belmond
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      78          59          78          57          79
Temp             67 72 75 77 75 68 64 61 60 68 75 77 74 66 62 59 58 69 76 79 75
Dewpt            66 68 69 70 69 66 64 61 60 64 63 63 64 62 60 59 58 64 65 67 68
RH               97 87 82 79 82 93100100100 87 66 62 71 87 93100100 84 69 67 79
Wind dir         SW  W  W NW NW  N NE  N  N  E  E NE  E  E  S SW  S  S SW  S  S
Wind spd          4  8  5  4  3  2  2  2  2  2  2  2  1  2  2  2  2  4  8  9  5
Clouds           B1 SC SC SC B1 SC SC B1 B1 SC SC SC SC B1 SC SC SC FW FW FW FW
PoP 12hr                     40          30          10          20          20
QPF 12hr              0.06-0.20   0.00-0.12           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  S  S  S  C                    S                 S  S  S
Tstms             C  C  S  S  S                       S                 S  S  S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          61    82      61    78      58    77      60    79
Temp          66 62 79 78   66 61 75 74   62 59 74 74   64 61 76 75
Dewpt         64 62 69 69   64 60 63 64   59 58 64 66   62 61 67 69
PWind dir        SW     W      NW     N       N    SE      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC FW   FW FW FW FW   FW SC B1 B1   B1 B1 B1 SC
PoP 12hr         40    20      20     5      10    10      20    10
Rain shwrs     S  C  S  S    S                              S
Tstms          S  S  S  S    S                              S

$$
IAZ026-182100-
Franklin-
Including the city of Hampton
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      78          59          77          57          78
Temp             68 72 75 76 74 67 64 61 60 68 74 76 74 65 62 59 58 69 75 78 75
Dewpt            65 67 69 69 68 66 64 61 60 63 62 62 63 61 59 58 58 63 64 65 66
RH               90 84 82 79 82 97100100100 84 66 62 69 87 90 96100 81 69 64 74
Wind dir         SW  W NW NW NW NW NW  N  N NE NE NE  E  E  S SW SW  S SW  S  S
Wind spd          4  6  5  4  3  2  2  2  1  2  2  2  1  1  1  1  1  3  5  6  4
Clouds           B1 SC B1 B1 B1 SC B1 B1 SC SC SC SC SC B1 SC FW SC FW FW FW FW
PoP 12hr                     30          30          10          10          10
QPF 12hr              0.05-0.21   0.00-0.12           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  S  S  C  C                                            S
Tstms             C  C  S  S  S                                               S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          61    82      61    77      57    76      59    77
Temp          65 62 78 77   66 61 75 73   62 59 73 73   63 60 75 74
Dewpt         63 62 68 68   64 60 63 63   58 58 63 65   62 60 66 67
PWind dir        SW     W      NW     N      NW    SE      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC FW   FW FW FW FW   FW SC SC SC   B1 SC B1 SC
PoP 12hr         30    20      30     5      10    10      20    10
Rain shwrs     S  C  S  S    C  S                           S
Tstms          S  S  S  S    C  S

$$
IAZ027-182100-
Butler-
Including the cities of Parkersburg, Clarksville, Shell Rock,
Greene, Aplington, Allison, and Dumont
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      77          60          76          57          77
Temp             67 72 75 76 74 68 65 62 61 68 75 76 74 66 63 59 58 69 75 77 75
Dewpt            65 67 70 70 69 67 64 62 60 64 63 62 64 62 60 59 58 64 65 66 67
RH               93 84 84 82 84 97 97100 97 87 66 62 71 87 90100100 84 71 69 76
Wind dir          S  W  W NW NW NW NW  N  N NE NE  N  E NE  S  S SW  S SW  S  S
Wind spd          4  8  6  5  4  2  2  2  1  2  3  3  2  1  1  1  0  2  5  6  5
Clouds           B1 SC SC SC B1 SC B1 SC SC SC SC SC SC SC SC FW SC FW CL FW FW
PoP 12hr                     40          30           5          10          10
QPF 12hr              0.06-0.25   0.00-0.05           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  S  C  C                                            S
Tstms             C  C  C  S  S  S                                            S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          61    81      61    76      57    75      59    76
Temp          66 62 78 77   66 62 75 73   63 59 73 73   64 60 74 74
Dewpt         64 62 69 69   64 61 64 64   59 58 64 65   63 60 67 68
PWind dir        SW     W      NW    NW      NW    SE      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC FW   FW FW FW FW   FW SC SC SC   B1 SC B1 SC
PoP 12hr         30    20      30     5      10    10      20    10
Rain shwrs     S  C  S  S    C  S                           S
Tstms          S  S  S  S    C  S

$$
IAZ028-182100-
Bremer-
Including the city of Waverly
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      77          60          76          57          77
Temp             66 72 75 76 74 68 65 62 61 68 75 76 74 65 62 59 58 69 75 77 74
Dewpt            65 67 70 70 69 67 65 62 61 64 63 63 64 61 60 58 58 63 65 66 66
RH               97 84 84 82 84 97100100100 87 66 64 71 87 93 96100 81 71 69 76
Wind dir          S  W  W NW NW NW NW  N  N NE  N  N NE NE SE  E SE  S SW SW  S
Wind spd          4  8  8  6  5  3  3  3  3  3  3  4  2  2  2  2  1  3  6  8  5
Clouds           B1 SC B1 SC B1 SC B1 B1 B1 B1 FW SC SC SC SC SC SC FW FW FW FW
PoP 12hr                     40          30           5           5          10
QPF 12hr              0.08-0.17        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  S  C  S                                            C
Tstms             C  C  C  S  C  S                                            S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          61    80      62    76      58    74      60    76
Temp          65 62 77 76   66 62 75 73   62 59 72 72   64 61 74 73
Dewpt         64 62 69 69   65 62 64 64   60 59 64 65   63 61 67 68
PWind dir        SW     W      NW    NW       N    SE      SE     S
Wind char        LT    GN      LT    GN      LT    LT      LT    GN
Avg clouds    SC SC SC FW   FW FW FW FW   FW SC SC SC   B1 B1 B1 SC
PoP 12hr         40    30      30     5       5    10      20    10
Rain shwrs     C  C  S  C    C  S                           S
Tstms          S  S  S  C    C  S

$$
IAZ033-182100-
Sac-
Including the cities of Sac City, Lake View, Odebolt, Wall Lake,
Schaller, and Early
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      78          61          77          59          79
Temp             68 70 76 77 75 68 66 63 61 69 75 77 74 66 63 61 60 70 76 79 76
Dewpt            67 67 73 74 73 68 66 63 61 67 68 68 68 65 62 61 60 68 70 72 73
RH               97 90 90 90 94100100100100 93 79 74 82 97 97100100 93 82 79 90
Wind dir         NW SW  W  W NW NE NE NE  E  E SE SE SE  E  S  S  S SW  S  S  S
Wind spd          5  8  4  3  2  1  1  2  2  2  2  1  1  2  2  2  2  3  6  5  3
Clouds           B2 B1 B1 SC B1 B2 B1 B1 B2 SC B1 SC SC SC FW FW SC FW FW FW FW
PoP 12hr                     60          10          20          20          10
QPF 12hr              0.01-0.13           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        L  C  S  S                       S  S                       S
Tstms             C  C  S  S                       S  S                       S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          62    82      61    78      59    77      61    78
Temp          66 63 79 78   66 62 75 74   63 61 74 74   65 62 76 76
Dewpt         65 63 73 74   65 61 68 69   61 59 69 70   64 62 71 73
PWind dir        SW     W      NW     N       E    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC FW FW   FW FW SC FW   FW SC B1 B1   SC B1 B1 SC
PoP 12hr         20    10      20     5      20    20      20     5
Rain shwrs     S  S          S  S             S  S  S    S  S
Tstms          S  S          S  S                           S

$$
IAZ034-182100-
Calhoun-
Including the cities of Rockwell City, Manson, Lake City,
and Pomeroy
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      79          61          79          59          80
Temp             68 71 76 78 75 68 66 63 62 69 76 77 74 66 63 61 60 70 77 80 76
Dewpt            66 67 73 74 73 68 66 63 62 67 69 68 68 64 63 61 60 68 70 72 73
RH               93 87 90 88 94100100100100 93 79 74 82 93100100100 93 79 77 90
Wind dir         NW SW  W NW NW  N  N  N  N  E  E  E SE  E  S  S  S  S  S  S  S
Wind spd          4  6  4  3  1  1  1  1  1  1  1  0  0  1  1  1  1  3  5  4  2
Clouds           B1 B1 B1 SC B1 B1 SC B2 B1 B1 B1 SC SC SC SC SC SC FW FW FW FW
PoP 12hr                     50          10          20          20          10
QPF 12hr              0.01-0.14           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  S  S                       S  S                       S
Tstms             C  C  S  S                       S  S                       S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          62    83      62    79      59    78      61    79
Temp          66 63 80 79   66 62 76 74   63 61 75 74   65 62 77 76
Dewpt         65 63 74 74   65 61 68 69   61 59 69 70   64 62 72 73
PWind dir        SW     W      NW     N       E    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC FW FW   FW FW SC FW   FW SC B1 B1   SC B1 B1 SC
PoP 12hr         20    10      30     5      10    20      20     5
Rain shwrs     S  S          C  S             S  S  S       S
Tstms          S  S          C  S                           S

$$
IAZ035-182100-
Webster-
Including the city of Fort Dodge
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      79          61          79          59          80
Temp             68 71 76 78 75 68 66 63 62 69 76 78 75 66 63 61 60 70 77 79 76
Dewpt            66 67 72 73 71 68 66 63 62 66 66 66 67 64 62 61 60 66 68 70 70
RH               93 87 87 85 87100100100100 90 71 67 76 93 97100100 87 74 74 82
Wind dir          S  W  W  W NW  N  N  N  N  E  E  E  E  E SE  S  S  S  S  S  S
Wind spd          3  8  5  4  2  1  1  2  2  2  2  2  1  1  1  1  1  3  5  5  3
Clouds           B1 B1 B1 SC B1 B1 SC B1 B1 B1 SC B1 SC SC SC SC SC FW FW FW FW
PoP 12hr                     40          10          20          20          20
QPF 12hr              0.04-0.15   0.00-0.09           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  S  S  S  S                    S                 S  S  S
Tstms             C  C  S  S  S                       S                 S  S  S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          62    83      62    79      59    78      61    79
Temp          66 63 80 78   67 62 76 74   63 60 75 74   65 62 76 76
Dewpt         65 63 72 72   65 62 66 67   61 59 67 68   64 62 70 71
PWind dir         S     W      NW     N      NE    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC FW   FW FW SC FW   FW SC B1 B1   B1 B1 B1 SC
PoP 12hr         30    10      30     5      10    20      20    10
Rain shwrs     S  C          C  S                S          S
Tstms          S  S          C  S                           S

$$
IAZ036-182100-
Hamilton-
Including the city of Webster City
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      79          62          78          59          79
Temp             68 71 75 77 75 68 66 64 62 69 75 77 74 66 63 61 60 70 76 79 76
Dewpt            66 67 70 71 70 68 66 64 62 66 65 64 65 63 62 60 60 65 66 67 68
RH               93 87 84 82 84100100100100 90 71 64 74 90 97 97100 84 71 67 76
Wind dir          S  W  W  W NW  N  N  N  N NE  E NE  E NE SE  S SE  S  S  S  S
Wind spd          4  8  6  5  3  2  1  2  2  3  3  2  1  2  2  2  1  3  5  6  4
Clouds           B1 SC B1 SC B1 B1 B1 SC SC B1 SC B1 SC B1 SC SC SC FW FW FW FW
PoP 12hr                     40          20          20          20          10
QPF 12hr              0.08-0.20   0.01-0.08           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  S  S  S  S                    S                       S
Tstms             C  C  S  S  S                       S                       S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          63    83      62    79      59    77      61    79
Temp          66 63 79 78   67 63 76 74   63 60 75 74   65 62 76 75
Dewpt         65 63 70 70   65 62 65 65   61 59 65 67   64 62 68 70
PWind dir         S     W      NW     N       N    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC FW   FW SC FW FW   FW SC B1 B1   B1 B1 B1 SC
PoP 12hr         30    20      30     5      10    10      20    10
Rain shwrs     S  C  S  S    C  S                S          S
Tstms          S  S  S  S    C  S                           S

$$
IAZ037-182100-
Hardin-
Including the cities of Iowa Falls, Eldora, and Ackley
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      79          61          78          58          79
Temp             68 72 76 77 74 68 66 63 62 68 75 77 74 66 63 60 59 69 76 79 75
Dewpt            65 67 70 71 69 68 66 63 62 65 65 64 65 63 61 60 59 64 65 66 67
RH               90 84 82 82 84100100100100 90 71 64 74 90 93100100 84 69 64 76
Wind dir         SW  W  W  W NW NW  N  N  N NE NE NE  E NE SE  S  S  S  S  S  S
Wind spd          4  8  6  5  3  2  1  2  2  2  2  2  1  1  1  1  1  2  4  5  3
Clouds           B1 B1 B1 B1 B1 SC B1 SC SC B1 SC B1 SC B1 SC SC SC FW CL FW FW
PoP 12hr                     40          30          10          10          10
QPF 12hr              0.12-0.23        0.03           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  S  C  C                    S
Tstms             C  C  S  S  S                       S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          62    82      62    78      58    77      60    79
Temp          66 63 79 77   67 62 76 74   63 60 74 73   64 61 75 75
Dewpt         64 63 70 70   65 62 65 65   60 59 64 66   63 61 68 68
PWind dir         S     W      NW     N       N    SE      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC FW   FW SC FW FW   FW SC B1 B1   B1 B1 B1 SC
PoP 12hr         20    20      20     5      10    20      20    10
Rain shwrs        S  S  S    S  S                S          S
Tstms             S  S  S    S  S                           S

$$
IAZ038-182100-
Grundy-
Including the cities of Grundy Center, Reinbeck, Conrad, Dike,
and Wellsburg
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      79          61          77          58          78
Temp             68 73 76 77 74 68 66 63 62 68 75 77 74 66 63 60 59 69 75 78 75
Dewpt            65 67 70 71 69 67 65 63 62 65 65 64 64 62 60 59 58 64 65 66 66
RH               90 81 82 82 84 97 97100100 90 71 64 71 87 90 96 96 84 71 67 74
Wind dir         SW  W  W  W NW NW NW NW  N NE NE NE  E NE SE SE  N  S  S  S  S
Wind spd          4  8  8  6  4  2  2  2  2  3  3  3  2  1  1  1  0  2  4  5  4
Clouds           B1 SC B1 B1 B1 SC SC SC B1 SC SC B1 SC SC SC SC SC FW FW FW FW
PoP 12hr                     40          30           5          10           5
QPF 12hr              0.13-0.28        0.04           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  C  C  C                                            S
Tstms             S  C  C  C  C  S                                            S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          62    81      62    77      58    76      60    77
Temp          66 63 78 77   67 62 75 74   63 60 74 73   64 61 75 74
Dewpt         63 63 70 69   65 62 65 65   60 58 64 65   63 61 67 68
PWind dir         S     W      NW    NW      NW    SE      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC SC FW   FW SC FW FW   FW SC SC SC   B1 SC B1 SC
PoP 12hr         20    20      20     5      10    10      20    10
Rain shwrs     S  S  S  S    S  S                           S
Tstms          S  S  S  S    S  S

$$
IAZ039-182100-
Black Hawk-
Including the cities of Waterloo and Cedar Falls
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      78          62          77          58          78
Temp             67 73 76 77 74 69 66 64 62 69 75 77 74 66 63 61 59 69 75 78 75
Dewpt            65 67 70 71 69 67 65 64 62 65 64 63 64 61 60 59 58 63 64 65 66
RH               93 81 82 82 84 93 97100100 87 69 62 71 84 90 93 96 81 69 64 74
Wind dir          S SW  W NW NW NW  N NW  N NE NE  N NE NE SE  E  E  S  S SW  S
Wind spd          3  8  9  8  5  3  2  3  2  3  4  4  3  1  1  1  1  3  5  5  5
Clouds           SC SC B1 B1 B1 SC SC SC B1 B1 SC SC SC SC SC SC SC FW FW FW FW
PoP 12hr                     40          30           5           5           5
QPF 12hr              0.12-0.35        0.03           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  C  C  C                                            S
Tstms             S  C  C  C  C  S                                            S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          62    81      63    77      59    76      61    77
Temp          66 63 78 77   68 63 75 74   64 61 73 73   64 61 74 74
Dewpt         63 63 69 69   65 62 65 64   60 59 64 65   63 61 67 68
PWind dir         S     W      NW    NW      NW    SE      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC SC SC   FW FW FW FW   FW FW SC SC   B1 SC B1 SC
PoP 12hr         30    30      30     5       5    10      10    10
Rain shwrs     S  C  S  C    C  S                           S
Tstms          S  S  S  C    C  S

$$
IAZ044-182100-
Crawford-
Including the city of Denison
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      77          61          76          59          78
Temp             68 70 75 77 75 69 66 64 62 69 75 76 74 66 63 61 60 70 76 78 76
Dewpt            67 67 72 73 72 69 66 64 62 68 68 67 68 65 63 61 60 67 69 71 72
RH               97 90 90 87 90100100100100 97 79 74 82 97100100100 90 79 79 87
Wind dir          W SW  W  W  W NE  E  E  E  E  E  E SE  E SE  S  S  S  S  S  S
Wind spd          6  8  5  4  3  1  1  2  2  3  3  2  2  2  2  2  1  4  5  5  3
Clouds           B2 B1 B1 SC B1 B2 SC B1 B2 SC B1 B1 SC SC SC FW SC FW FW FW FW
PoP 12hr                     60          10          20          20           5
QPF 12hr              0.05-0.21           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        L  C  S  S                    S  S  S                       S
Tstms             C  S  S  S                    S  S  S                       S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          62    82      62    77      60    76      61    78
Temp          66 63 79 79   67 62 76 75   64 61 74 74   65 62 75 75
Dewpt         65 63 72 74   66 62 67 69   62 60 68 70   65 62 71 73
PWind dir         S    SW       N    NE       E    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC FW FW   FW SC SC FW   FW SC B2 B1   SC B1 B1 SC
PoP 12hr         20    10      20     5      20    20      20    10
Rain shwrs     S             S  S             S  S  S    S  S
Tstms          S             S  S                           S

$$
IAZ045-182100-
Carroll-
Including the city of Carroll
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      79          62          78          59          80
Temp             68 70 76 78 75 70 67 64 63 69 75 77 74 67 64 62 60 71 77 80 77
Dewpt            67 67 73 74 73 70 67 64 63 68 69 68 69 66 63 61 60 68 70 72 73
RH               97 90 90 88 94100100100100 97 82 74 84 97 97 97100 90 79 77 87
Wind dir         NW SW  W NW NW  N  E  N  N  E  E  E SE  E  S  S  S  S  S  S  S
Wind spd          4  6  5  4  3  1  1  1  1  2  3  2  2  1  1  1  1  3  5  5  3
Clouds           B1 B1 B1 B1 B1 B2 B1 B2 OV B1 SC B1 SC SC SC SC SC FW FW FW FW
PoP 12hr                     50          20          20          20          10
QPF 12hr              0.10-0.19        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  S  S  S                    S  S                       S
Tstms             C  S  S  S  S                    S  S                       S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          63    83      63    79      60    78      61    79
Temp          67 64 80 79   68 63 77 75   64 62 75 74   65 62 77 76
Dewpt         65 64 74 75   66 62 68 70   62 60 68 71   64 62 72 74
PWind dir        SW     W      NW     N       E    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC FW FW   FW SC SC FW   FW SC B1 B1   SC B1 B1 SC
PoP 12hr         20    10      20     5      20    20      20     5
Rain shwrs     S  S          S  S             S  S  S    S  S
Tstms          S  S          S  S                           S

$$
IAZ046-182100-
Greene-
Including the city of Jefferson
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      80          62          78          59          80
Temp             68 71 76 78 75 70 67 64 63 69 75 77 74 67 64 61 60 70 77 80 76
Dewpt            67 67 73 75 73 70 67 64 63 68 69 69 69 66 64 61 60 68 70 72 72
RH               97 87 90 91 94100100100100 97 82 76 84 97100100100 93 79 77 87
Wind dir         NW  W  W  W NW  N NE  N  N NE  E  E  E  E SE  S  S  S  S  S  S
Wind spd          3  6  5  4  2  1  1  1  2  2  2  2  1  1  1  1  1  3  4  4  3
Clouds           B1 B1 B1 SC B1 B2 B1 B1 B2 B1 SC B1 FW SC SC SC SC FW FW FW FW
PoP 12hr                     50          20          20          20          10
QPF 12hr              0.13-0.27        0.02           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  S  S  S                    S  S                       S
Tstms             C  C  S  S  S                    S  S                       S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          63    84      63    79      59    78      61    79
Temp          67 64 81 79   68 63 77 75   64 61 75 74   66 62 76 76
Dewpt         66 64 74 74   67 63 69 70   62 60 69 70   65 62 72 73
PWind dir         S     W      NW     N       E    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC SC FW   FW SC SC FW   FW SC B1 B1   B1 B1 B1 SC
PoP 12hr         20    10      20     5      10    20      20    10
Rain shwrs     S  S  S       S  S             S  S  S       S
Tstms          S  S  S       S  S                           S

$$
IAZ047-182100-
Boone-
Including the city of Boone
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      79          63          78          60          79
Temp             69 72 76 78 75 70 68 65 63 70 75 77 74 67 65 62 61 70 76 79 76
Dewpt            67 68 72 73 72 70 68 65 63 68 68 67 68 65 64 62 61 67 68 69 70
RH               93 87 87 85 90100100100100 93 79 71 82 93 97100100 90 76 72 82
Wind dir         SW  W  W  W NW  N NE  N NE NE  E  E  E  E  E SE  E  S  S  S  S
Wind spd          3  6  6  5  3  2  2  2  2  3  3  3  2  2  1  1  1  3  5  4  3
Clouds           B1 B1 B1 B1 B1 B1 SC SC SC SC SC B1 SC SC SC SC SC FW FW FW FW
PoP 12hr                     40          20          20          20          10
QPF 12hr              0.14-0.31        0.03           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  S  S                       S
Tstms             C  C  S  S  S                       S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          63    82      63    78      60    77      62    78
Temp          67 64 79 78   68 64 76 74   64 61 75 73   66 63 76 75
Dewpt         66 64 72 73   67 63 68 68   63 61 67 69   65 63 71 72
PWind dir         S     W      NW     N      NE    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC SC FW   FW SC SC FW   FW SC B1 B1   B1 B1 B1 SC
PoP 12hr         30    20      30     5      10    20      20    10
Rain shwrs        C  S  S    C  S                S          S
Tstms             S  S  S    C  S                           S

$$
IAZ048-182100-
Story-
Including the city of Ames
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      79          63          79          60          80
Temp             69 72 76 78 75 70 68 65 64 70 76 78 75 67 64 62 61 70 77 80 76
Dewpt            66 67 71 73 71 70 68 65 64 67 67 67 67 65 64 62 61 66 67 68 69
RH               90 84 85 85 87100100100100 90 74 69 76 93100100100 87 71 67 79
Wind dir         SW  W  W  W NW  N  N  N NE NE  E NE NE NE  E SE NE  S  S  S  S
Wind spd          4  6  8  6  3  2  1  2  2  3  3  3  2  2  1  1  1  3  4  4  3
Clouds           SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC FW CL FW FW
PoP 12hr                     50          30          10          20           5
QPF 12hr              0.14-0.44        0.04           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  S  C  S                    S
Tstms             C  C  S  S  S                       S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          63    83      64    79      61    78      62    79
Temp          67 64 80 78   68 64 76 75   64 61 75 74   66 63 76 76
Dewpt         66 64 72 72   67 64 67 68   63 61 66 68   65 63 70 71
PWind dir         S     W      NW     N       N    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC SC FW   FW SC FW FW   FW SC SC B1   B1 B1 B1 SC
PoP 12hr         20    20      30     5      10    20      20    10
Rain shwrs        S  S  S    S  C                S          S
Tstms             S  S  S    S  C                           S

$$
IAZ049-182100-
Marshall-
Including the city of Marshalltown
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      79          62          79          59          80
Temp             68 72 76 78 75 69 67 64 63 69 76 78 74 66 63 61 60 70 77 80 75
Dewpt            65 67 70 72 70 69 67 64 63 66 66 66 66 64 62 61 60 65 66 66 67
RH               90 84 82 82 84100100100100 90 71 67 76 93 97100100 84 69 62 76
Wind dir         SW  W  W  W NW NW  N  N  N NE NE NE NE NE  E  E NE SE  S  S  S
Wind spd          4  8  8  6  4  2  2  2  2  3  3  3  2  2  1  1  1  2  3  4  3
Clouds           B1 SC B1 B1 SC B1 SC SC B1 B1 SC SC SC SC SC SC SC FW FW FW FW
PoP 12hr                     40          30          10          10           5
QPF 12hr              0.12-0.28        0.04           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  C  C  S
Tstms             C  C  C  C  S  S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          62    82      63    79      59    78      61    79
Temp          66 63 79 78   67 63 76 74   63 61 75 74   64 62 76 75
Dewpt         64 63 70 71   66 63 66 66   61 60 65 67   64 62 68 69
PWind dir         S     W      NW     N       N    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC SC FW   FW SC FW FW   FW SC SC B1   B1 B1 B1 SC
PoP 12hr         20    20      30     5      10    20      20    10
Rain shwrs        S  S  S    S  S                S          S
Tstms             S  S  S    S  S                           S

$$
IAZ050-182100-
Tama-
Including the cities of Tama, Toledo, Traer, Dysart,
and Gladbrook
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      79          62          79          58          79
Temp             67 73 76 78 74 69 67 64 63 69 75 78 74 66 63 60 59 70 76 79 75
Dewpt            65 67 69 71 68 66 65 63 62 65 65 64 64 61 59 58 58 63 64 64 65
RH               93 81 79 79 82 90 93 97 97 87 71 62 71 84 87 93 96 78 66 60 71
Wind dir         SW SW  W  W NW NW NW  N  N NE NE NE NE  E  E  E NE SE  S  S  S
Wind spd          4  8  9  6  4  2  2  2  2  3  3  3  2  1  1  1  1  2  3  4  3
Clouds           B1 SC B1 B1 SC B1 SC SC B1 SC SC SC SC SC SC SC SC FW FW FW FW
PoP 12hr                     50          30           5          10           5
QPF 12hr              0.12-0.29   0.04-0.12           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  C  C  C                                            S
Tstms             S  C  C  C  C  S                                            S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          61    82      62    79      58    77      60    78
Temp          66 62 78 77   67 63 76 74   63 60 74 73   64 61 75 75
Dewpt         62 62 69 69   64 62 65 65   59 58 64 65   62 61 67 67
PWind dir         S     W      NW     N       N    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC SC SC   FW SC FW FW   FW SC SC SC   SC B1 B1 SC
PoP 12hr         30    20      20     5      10    10      20    10
Rain shwrs     S  C  S  S    S  S                           S
Tstms          S  S  S  S    S  S

$$
IAZ057-182100-
Audubon-
Including the cities of Audubon and Exira
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      79          63          78          60          79
Temp             68 69 76 78 75 70 67 65 64 70 76 77 74 67 64 62 61 71 77 79 77
Dewpt            67 66 72 74 73 70 67 65 64 69 69 68 69 66 64 62 61 68 69 71 72
RH               97 90 87 88 94100100100100 97 79 74 84 97100100100 90 76 77 85
Wind dir         SW SW  W  W  W NE NE NE NE  E  E  E  E  E SE  S SE  S  S  S  S
Wind spd          4  6  8  5  3  1  1  1  2  3  4  3  2  2  1  1  1  3  5  5  3
Clouds           B1 B1 B1 B1 SC B2 B1 B1 B2 B1 SC B1 SC B1 SC FW SC FW FW FW FW
PoP 12hr                     50          20          20          20           5
QPF 12hr              0.10-0.28        0.02        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  S  S                    S  S                       S
Tstms             C  S     S  S                    S  S                       S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          63    83      63    79      60    78      62    79
Temp          67 64 80 79   68 63 77 75   64 62 75 74   66 63 77 76
Dewpt         65 64 73 75   67 63 68 70   63 61 68 71   65 63 72 74
PWind dir         S    SW       N     N       E    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC FW FW   FW SC SC FW   FW SC B1 SC   SC B1 B1 SC
PoP 12hr         20    10      20     5      20    20      20    10
Rain shwrs     S  S          S  S             S  S  S    S  S
Tstms          S  S          S  S                           S

$$
IAZ058-182100-
Guthrie-
Including the cities of Guthrie Center, Panora, Bayard, and Casey
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      80          63          78          60          80
Temp             68 70 77 78 75 70 68 65 64 70 76 78 74 67 65 62 61 71 77 80 76
Dewpt            67 67 73 75 74 70 68 65 64 69 70 69 70 67 64 62 61 68 70 71 72
RH               97 90 87 91 97100100100100 97 82 74 87100 97100100 90 79 74 87
Wind dir          S SW  W  W NW  N NE  N  N NE  E  E  E  E SE  S  S  S  S  S  S
Wind spd          4  8  8  5  3  2  1  2  2  3  3  3  2  2  1  1  1  3  4  4  3
Clouds           B1 B1 B1 B1 B1 B2 B1 B1 B2 B1 SC B1 SC B1 SC SC SC FW FW FW FW
PoP 12hr                     50          20          20          20           5
QPF 12hr              0.13-0.22        0.03           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  S  S                       S
Tstms             C  S     S  S                       S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          64    84      64    79      61    78      62    80
Temp          68 64 81 79   68 64 77 75   65 62 76 74   66 63 77 76
Dewpt         66 64 74 75   68 64 69 70   63 61 69 71   65 63 72 74
PWind dir         S     W      NW     N       E    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC FW FW   FW SC SC FW   FW SC B1 SC   SC B1 B1 SC
PoP 12hr         20    20      30     5      20    20      20    10
Rain shwrs        S  S       S  C             S  S  S    S  S
Tstms             S  S       S  C                        S  S

$$
IAZ059-182100-
Dallas-
Including the cities of Perry, Waukee, and Adel
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      79          64          78          61          79
Temp             69 72 77 78 74 70 68 66 64 70 76 78 75 68 66 63 62 70 77 79 76
Dewpt            67 68 73 74 73 70 68 66 64 69 70 69 69 66 65 63 62 67 69 70 71
RH               93 87 87 88 97100100100100 97 82 74 82 93 97100100 90 76 74 85
Wind dir         SW  W  W  W NW  N NE  N  N NE  E  E NE  E  E SE NE  S  S  S  S
Wind spd          4  6  8  6  4  2  2  3  3  3  4  3  3  2  2  1  1  3  4  4  3
Clouds           B1 B1 B1 SC B1 B1 B1 SC B2 B1 SC SC FW B1 SC SC SC FW FW FW FW
PoP 12hr                     50          30          20          20           5
QPF 12hr              0.14-0.23        0.04           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  S  C                       S
Tstms             C  C  S  S  S                       S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          64    83      64    79      61    78      63    79
Temp          68 64 80 79   69 64 77 75   66 62 75 74   67 63 77 76
Dewpt         66 64 73 74   68 64 69 70   64 61 68 70   66 63 72 73
PWind dir         S     W      NW     N      NE    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC SC FW   FW SC FW FW   FW SC B1 SC   B1 B1 B1 SC
PoP 12hr         20    20      30     5      10    20      20    10
Rain shwrs        S  S       S  C                S  S    S  S
Tstms             S  S       S  C                           S

$$
IAZ060-182100-
Polk-
Including the city of Des Moines
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      80          65          79          62          80
Temp             70 73 77 79 75 71 69 67 65 71 77 79 76 69 66 64 62 71 77 80 77
Dewpt            66 68 72 73 72 70 69 67 65 68 69 68 68 66 64 63 62 66 68 68 69
RH               87 84 85 82 90 97100100100 90 76 69 76 90 93 97100 84 74 67 76
Wind dir         SW  W  W  W NW  N  N  N NE NE  E NE NE  E  E  E NE SE  S  S  S
Wind spd          4  6  8  6  4  2  2  2  3  3  4  4  3  2  2  1  1  2  4  4  3
Clouds           B1 B1 B1 B1 SC B1 SC B1 B1 B1 SC SC SC SC SC SC SC FW FW FW FW
PoP 12hr                     50          30          10          20           5
QPF 12hr              0.17-0.50        0.05           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  C  C  S                    S                       S
Tstms             C  C  C  C  S                       S                       S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          64    83      65    80      62    78      63    79
Temp          68 65 80 79   69 65 77 76   66 63 76 75   67 64 77 77
Dewpt         66 65 72 73   68 65 68 69   64 62 67 69   66 64 71 72
PWind dir         S     W      NW     N      NE    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC SC FW   FW SC FW FW   FW SC B1 SC   B1 B1 B1 SC
PoP 12hr         20    20      30     5      10    20      20    10
Rain shwrs     S  S  S  S    S  C                S          S
Tstms          S  S  S  S    S  C                           S

$$
IAZ061-182100-
Jasper-
Including the city of Newton
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      80          64          79          61          80
Temp             68 73 77 79 76 70 68 66 65 71 77 79 76 68 65 63 61 71 77 80 77
Dewpt            66 68 71 73 71 70 68 66 65 68 68 67 67 65 63 62 61 66 66 67 68
RH               93 84 82 82 85100100100100 90 74 67 74 90 93 97100 84 69 65 74
Wind dir         SW SW  W  W NW  N  N  N NE NE NE NE NE  E  E  E NE SE  S  S  S
Wind spd          4  8  9  6  4  2  2  2  2  3  4  4  3  2  1  1  1  2  3  3  3
Clouds           B1 B1 B1 B1 SC B1 SC B1 B2 B1 SC SC SC SC SC SC SC FW FW FW FW
PoP 12hr                     50          30          10          10           0
QPF 12hr              0.16-0.49        0.05           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  C  C  C  C  S
Tstms             S  C  C  C  C


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          63    83      64    80      61    78      63    79
Temp          67 64 80 79   68 65 77 76   65 62 76 75   66 63 77 76
Dewpt         65 64 71 72   67 65 67 68   63 61 66 68   65 63 70 71
PWind dir         S    SW      NW     N       N    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC SC FW   FW SC FW FW   FW SC SC B1   B1 B1 B1 SC
PoP 12hr         30    20      30     5      10    10      20    10
Rain shwrs        C  S  S    S  C                           S  S
Tstms             C  S  S    S  C                           S

$$
IAZ062-182100-
Poweshiek-
Including the city of Grinnell
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      80          62          79          59          80
Temp             67 73 76 79 75 69 67 65 64 70 75 78 75 66 64 61 60 70 77 80 76
Dewpt            65 68 70 71 70 68 67 65 64 66 66 66 66 63 61 60 59 64 64 65 66
RH               93 84 82 77 84 97100100100 87 74 67 74 90 90 97 96 81 64 60 71
Wind dir         SW SW SW  W NW NW NW  N  N NE NE NE NE  E  E NE NE  E SE  S  S
Wind spd          4  8  9  6  3  2  2  2  2  3  3  3  2  2  1  1  1  2  2  3  2
Clouds           B1 SC B1 SC SC B1 SC B1 B2 B1 SC SC SC SC SC SC SC FW FW CL FW
PoP 12hr                     40          30           5          10           0
QPF 12hr              0.14-0.27        0.05           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  C  C  C  C  C  S
Tstms             S  C  C  C  C     S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          61    82      63    79      59    78      61    79
Temp          66 63 79 78   68 64 77 75   64 61 75 74   65 62 76 75
Dewpt         63 63 70 71   66 63 66 66   61 60 65 66   63 62 68 69
PWind dir         S    SW      NW     N       N    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC SC FW   SC SC FW FW   FW FW SC B1   B1 SC B1 SC
PoP 12hr         30    20      20     5      10    10      20    10
Rain shwrs        C  S  S    S  S                           S
Tstms             C  S  S    S  S                           S

$$
IAZ070-182100-
Cass-
Including the city of Atlantic
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      80          64          79          61          80
Temp             68 70 76 78 76 71 69 67 65 70 77 78 74 68 66 63 62 71 78 80 77
Dewpt            67 67 73 74 74 71 69 67 65 70 70 69 70 68 66 63 62 69 70 71 72
RH               97 90 90 88 94100100100100100 79 74 87100100100100 93 76 74 85
Wind dir         SW SW SW  W  N NE NE NE  E  E  E  E  E  E  E  E SE  S  S  S  S
Wind spd          4  8  8  6  3  2  2  2  3  4  4  4  3  3  2  2  1  3  4  4  3
Clouds           B1 B1 SC B1 SC B1 SC B1 B1 B1 SC B1 SC B1 SC SC SC FW FW FW FW
PoP 12hr                     50          20          20          20           5
QPF 12hr              0.24-0.42        0.04        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  S  S  S  S                 S                       S
Tstms             C  S     S  S  S  S                 S                       S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          64    83      65    80      62    79      63    80
Temp          68 64 80 79   69 65 78 76   66 63 76 75   67 64 78 77
Dewpt         67 64 74 75   69 65 70 71   65 62 69 71   66 64 73 74
PWind dir         S    SW      NE     N       E    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC FW FW   FW FW FW FW   FW SC B1 SC   SC B1 B1 SC
PoP 12hr         20    10      20    10      20    20      20    10
Rain shwrs     S  S     S       S             S  S       S  S
Tstms          S  S     S       S                           S

$$
IAZ071-182100-
Adair-
Including the cities of Greenfield, Stuart, Adair, and Fontanelle
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      80          65          78          62          80
Temp             69 70 77 78 75 71 69 67 66 70 76 78 74 68 66 64 63 71 77 80 77
Dewpt            67 67 73 74 74 71 69 67 66 70 70 70 70 68 66 64 63 68 70 70 72
RH               93 90 87 88 97100100100100100 82 76 87100100100100 90 79 72 85
Wind dir         SW SW SW  W NW NE NE NE NE NE  E NE NE  E NE SE  E  S  S  S  S
Wind spd          6  8  9  6  3  3  2  3  3  4  5  4  3  3  2  2  1  3  4  4  3
Clouds           B1 B1 B1 B1 SC B1 SC B2 B2 B1 SC B1 SC B1 SC SC SC FW FW FW FW
PoP 12hr                     50          30          20          20           5
QPF 12hr              0.14-0.41   0.03-0.09           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  S  C  S  S                 S
Tstms             C  S  S  S  C     S                 S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          65    83      65    80      62    78      64    80
Temp          68 65 80 79   69 65 78 76   66 63 76 75   67 64 77 76
Dewpt         66 65 74 75   69 65 70 71   65 62 69 71   66 64 73 74
PWind dir         S    SW      NW     N       E    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC SC FW   FW SC FW FW   FW SC B1 B1   SC B1 SC SC
PoP 12hr         10    10      20    10      20    20      20    10
Rain shwrs        S     S       S             S  S       S  S
Tstms             S     S       S                           S

$$
IAZ072-182100-
Madison-
Including the cities of Winterset and Earlham
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      80          65          79          62          80
Temp             69 72 77 79 75 71 69 67 66 70 77 79 75 68 66 64 62 72 78 80 77
Dewpt            67 68 72 74 73 70 69 67 66 69 70 69 70 67 65 64 62 68 69 69 71
RH               93 87 85 85 94 97100100100 97 79 72 84 97 97100100 87 74 69 82
Wind dir         SW SW SW  W NW  N NE NE NE NE  E NE NE  E NE NE NE SE SE  S  S
Wind spd          6  8  9  8  4  3  3  3  3  4  4  4  4  3  2  2  2  3  4  4  3
Clouds           B1 B1 B1 SC B1 B1 SC B1 B2 B1 SC SC SC SC SC SC SC FW FW FW FW
PoP 12hr                     60          30          10          20           5
QPF 12hr              0.15-0.38   0.04-0.09           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  L  C  C  C  S                    S
Tstms             C  C  S  C  C                       S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          65    83      65    80      62    79      64    80
Temp          68 65 81 79   69 66 78 76   66 63 76 75   67 64 78 77
Dewpt         66 65 73 74   69 66 69 70   65 62 68 70   66 64 72 73
PWind dir         S     W      NW     N       E    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC SC FW   FW SC FW FW   FW SC SC B1   B1 B1 B1 SC
PoP 12hr         10    20      30    10      10    20      20    10
Rain shwrs        S  S  S    S  C                S  S    S  S  S
Tstms             S  S  S    S  C                        S  S

$$
IAZ073-182100-
Warren-
Including the cities of Indianola, Norwalk, and Carlisle
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      80          65          79          62          80
Temp             70 73 78 80 75 71 69 67 66 71 77 79 76 69 66 64 62 72 78 80 77
Dewpt            66 68 72 73 72 70 69 67 66 69 69 69 69 67 65 64 62 67 67 68 69
RH               87 84 82 79 90 97100100100 93 76 72 79 93 97100100 84 69 67 76
Wind dir         SW  W  W  W  W NE NE  N NE NE NE NE NE  E NE NE NE  E SE SE  S
Wind spd          4  6 10  8  5  2  2  3  2  4  5  5  4  3  2  1  1  2  4  4  4
Clouds           B1 B1 B1 B1 B1 B1 SC B1 B2 B1 SC SC SC SC SC SC SC FW FW FW FW
PoP 12hr                     50          30          10          20           0
QPF 12hr              0.19-0.35   0.05-0.11           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  C  C  C  C  S                    S
Tstms             S  C  S  C  C                       S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          64    84      65    80      62    79      64    80
Temp          68 65 81 79   70 66 78 76   66 63 77 75   68 65 78 77
Dewpt         66 65 72 73   69 66 69 69   65 62 68 69   66 64 71 72
PWind dir         S    SW       W     N      NE    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW FW SC FW   FW SC FW FW   FW SC B1 SC   B1 B1 B1 SC
PoP 12hr         20    20      30     5      10    20      20    10
Rain shwrs        S     S    S  C                S       S  S
Tstms             S     S    S  C                           S

$$
IAZ074-182100-
Marion-
Including the cities of Pella and Knoxville
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      80          65          79          62          80
Temp             69 74 78 80 76 71 69 67 66 71 77 79 76 69 66 64 62 72 78 80 77
Dewpt            65 68 71 73 72 71 69 67 66 69 69 69 69 67 65 64 62 67 67 67 69
RH               87 82 79 79 87100100100100 93 76 72 79 93 97100100 84 69 65 76
Wind dir         SW  W  W  W  W NE  N  N NE NE NE NE NE  E  E NE NE  E SE SE  S
Wind spd          5  8  9  8  4  2  2  2  2  3  4  4  3  3  2  1  1  2  3  3  3
Clouds           B1 B1 B1 SC SC B1 SC B1 B2 B1 SC SC SC SC SC SC SC FW FW FW FW
PoP 12hr                     50          30          10          10           0
QPF 12hr              0.15-0.36   0.04-0.11           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  C  C  C  C  C  S
Tstms             S  C  C  C  C     S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          64    83      65    80      62    79      64    80
Temp          68 65 80 80   69 66 78 77   66 63 76 75   67 64 77 77
Dewpt         66 65 72 73   69 66 69 69   65 63 67 69   66 64 71 72
PWind dir         S    SW       W     N      NE     E      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW FW SC FW   FW SC FW FW   FW FW SC B1   B1 SC B1 B1
PoP 12hr         20    20      30     5      10    10      20    10
Rain shwrs        S     S    S  C                           S  S
Tstms             S     S    S  C                           S

$$
IAZ075-182100-
Mahaska-
Including the city of Oskaloosa
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      81          65          80          61          81
Temp             68 74 78 80 76 71 69 67 66 72 77 80 77 68 65 63 62 72 78 81 78
Dewpt            66 68 71 73 71 70 69 67 66 69 69 68 68 66 64 63 62 66 66 66 68
RH               93 82 79 79 85 97100100100 90 76 67 74 93 97100100 81 67 60 71
Wind dir         SW  W SW  W  W  N  N  N NE NE NE NE NE  E  E NE NE  E SE SE SE
Wind spd          4  8  9  8  4  2  2  2  2  3  4  4  3  2  2  1  1  2  3  2  2
Clouds           B1 B1 B1 SC B1 SC SC B2 B1 B1 SC SC SC SC SC SC SC FW FW CL FW
PoP 12hr                     40          30           5          10           0
QPF 12hr              0.12-0.26   0.06-0.12           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  C  C  C  C  C  S
Tstms             S  C  C  C  C  S  S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          63    83      65    81      61    79      63    80
Temp          67 64 80 79   69 65 78 77   65 63 77 76   66 64 78 77
Dewpt         65 64 71 72   68 65 68 69   64 62 67 68   65 64 70 71
PWind dir         S    SW       W     N       N     E      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW SC FW   FW SC FW FW   FW FW SC B1   B1 SC B1 SC
PoP 12hr         30    20      30     5      10    10      20    20
Rain shwrs        C  S  S    S  C                           S  S
Tstms             S  S  S    S  C

$$
IAZ081-182100-
Adams-
Including the city of Corning
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      81          65          80          62          81
Temp             68 70 77 80 76 71 70 67 66 71 77 79 76 69 66 64 63 72 78 81 78
Dewpt            66 68 73 74 74 71 70 67 66 70 71 71 71 68 66 64 63 69 70 70 71
RH               93 93 87 82 94100100100100 97 82 77 85 97100100100 90 76 69 79
Wind dir         SW SW SW SW  N NE NE  E NE  E  E NE NE  E NE  E  E  S SE  S  S
Wind spd          6  8  9  6  4  3  3  3  3  5  5  4  4  3  2  2  2  3  4  4  3
Clouds           B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 FW SC SC SC SC SC SC FW FW FW FW
PoP 12hr                     40          30          20          20           5
QPF 12hr              0.30-0.43   0.06-0.18        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  S  C  C  S                 S
Tstms             C  S  S  S  C  S  S                 S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          65    85      66    82      63    80      64    82
Temp          68 65 82 80   70 66 80 78   67 64 78 76   68 65 79 78
Dewpt         67 65 74 74   70 66 70 71   66 63 69 70   67 65 73 74
PWind dir         S    SW       N     N       E    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    FW SC FW FW   FW FW FW FW   FW SC B1 SC   B1 B1 B1 SC
PoP 12hr         10    20      20    10      20    20      30    10
Rain shwrs              S    S  S             S  S       S  S
Tstms                   S    S  S                        S  S

$$
IAZ082-182100-
Union-
Including the city of Creston
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      80          65          79          62          81
Temp             69 71 77 80 76 71 70 67 66 71 77 79 75 68 66 64 63 72 78 81 77
Dewpt            67 67 72 74 73 71 70 67 66 70 70 70 70 68 66 64 63 68 68 69 70
RH               93 87 85 82 90100100100100 97 79 74 84100100100100 87 71 67 79
Wind dir         SW  W SW SW NW NE NE  E NE NE  E NE NE NE NE  E NE SE SE SE SE
Wind spd         10  8  9  8  4  4  3  3  3  5  5  5  4  4  3  2  2  3  3  4  3
Clouds           B1 B1 B1 SC B1 B1 B1 B2 B1 B1 SC SC SC B1 SC SC SC FW FW FW FW
PoP 12hr                     50          30          10          20           5
QPF 12hr              0.29-0.41   0.05-0.18           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  S  C  C  S                 S
Tstms             C  S  S  S  C  S  S                 S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          65    84      65    81      63    80      64    81
Temp          68 65 81 79   69 66 79 77   66 64 77 76   67 65 79 78
Dewpt         66 65 73 73   69 66 69 70   65 63 68 70   66 65 72 73
PWind dir         S    SW      NW     N       E    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      GN    GN
Avg clouds    FW SC FW FW   FW SC FW FW   FW SC SC B1   B1 B1 B1 SC
PoP 12hr         10    20      20    10      10    20      30    10
Rain shwrs           S  S       S             S  S       S  S  S
Tstms                S  S       S                           S

$$
IAZ083-182100-
Clarke-
Including the city of Osceola
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      81          65          79          62          80
Temp             69 73 77 80 75 71 70 67 66 71 77 79 76 69 66 64 62 72 78 80 77
Dewpt            66 67 72 73 72 71 70 67 66 69 70 69 69 68 66 64 62 67 68 68 70
RH               90 81 85 79 90100100100100 93 79 72 79 97100100100 84 71 67 79
Wind dir         SW  W SW  W NW NE NE NE NE NE NE NE NE  E NE NE NE  E SE SE SE
Wind spd          6  8  9  9  4  3  3  3  3  4  5  5  4  3  2  2  2  3  3  4  3
Clouds           SC B1 B1 B1 B1 SC B1 B1 B1 B1 SC SC SC SC SC SC SC FW FW FW FW
PoP 12hr                     50          30          10          20           5
QPF 12hr              0.26-0.43   0.06-0.24           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  C  C  C  C  C  S                 S
Tstms             S  C  S  C  C  S  S                 S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          64    84      65    81      62    79      64    81
Temp          68 65 81 79   69 65 79 77   66 63 77 76   67 64 79 77
Dewpt         66 65 72 73   69 65 69 70   65 63 68 69   66 64 71 73
PWind dir         S    SW       W     N      NE    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW FW SC FW   FW SC FW FW   FW SC SC B1   B1 SC B1 SC
PoP 12hr         10    20      20    10      10    20      30    10
Rain shwrs           S  S    S  S                S       S  C  S
Tstms                S  S    S  S                           S

$$
IAZ084-182100-
Lucas-
Including the city of Chariton
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      80          65          79          62          80
Temp             69 74 78 80 75 71 70 67 66 72 77 79 76 69 66 64 63 72 78 80 77
Dewpt            66 68 72 73 73 71 70 67 66 70 70 70 70 68 66 64 63 68 68 68 70
RH               90 82 82 79 94100100100100 93 79 74 82 97100100100 87 71 67 79
Wind dir         SW SW SW  W NW NE NE NE NE NE NE NE NE  E NE NE NE  E  E SE SE
Wind spd          5  8 10  8  4  2  2  2  2  3  4  4  3  3  2  1  1  2  3  3  2
Clouds           B1 SC B1 B1 SC B1 B1 B2 B1 B1 SC SC SC SC B1 SC SC FW FW CL FW
PoP 12hr                     50          40          10          10           5
QPF 12hr              0.21-0.32   0.06-0.23           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  C  C  C  C  C  S
Tstms             S  S  S  C  C  S  S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          64    83      65    81      62    79      64    81
Temp          68 65 80 79   69 66 79 77   66 63 77 76   67 65 78 77
Dewpt         66 65 72 74   69 66 70 71   66 63 68 70   66 65 72 73
PWind dir         S    SW       W     N      NE    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW FW SC FW   FW SC FW FW   FW SC SC B1   B1 SC B1 B1
PoP 12hr         20    20      30     5      10    20      20    10
Rain shwrs        S     S    S  C                S       S  S
Tstms             S     S    S  C                           S

$$
IAZ085-182100-
Monroe-
Including the city of Albia
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      80          66          79          63          81
Temp             69 74 78 80 76 72 70 68 67 72 77 79 77 69 67 65 63 73 78 81 77
Dewpt            65 68 72 73 73 72 70 68 67 70 70 70 70 68 66 64 63 67 67 68 70
RH               87 82 82 79 90100100100100 93 79 74 79 97 97 97100 81 69 65 79
Wind dir         SW SW SW  W  W  N  N NE NE NE NE NE NE  E  E  E NE  E  E SE SE
Wind spd          5  8  9  8  3  2  2  2  2  3  4  4  3  2  1  1  0  1  2  2  1
Clouds           B1 B1 B2 SC SC SC B1 B2 B1 B1 SC SC SC SC SC SC SC FW FW CL FW
PoP 12hr                     50          40           5          10           0
QPF 12hr              0.15-0.28   0.10-0.27           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  C  C  C  C  C  S
Tstms             S  S  C  C  C  S  S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          65    83      66    81      63    79      64    80
Temp          68 65 80 80   70 66 79 77   66 64 77 76   68 65 78 77
Dewpt         66 65 72 74   69 66 69 70   66 64 68 70   66 65 71 73
PWind dir         S    SW       W     N      NE     E      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW SC FW   FW SC FW FW   FW SC SC B1   B1 SC B1 B1
PoP 12hr         20    20      30     5       5    10      20    20
Rain shwrs        S     S    S  C                S          S  S
Tstms             S     S    S  C                           S

$$
IAZ086-182100-
Wapello-
Including the city of Ottumwa
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      81          66          80          62          81
Temp             69 75 78 80 77 72 70 68 67 72 77 80 77 70 66 64 62 72 78 81 78
Dewpt            66 67 72 74 73 72 70 68 67 70 71 71 71 68 66 64 62 68 68 68 70
RH               90 76 82 82 87100100100100 93 82 74 82 93100100100 87 71 65 76
Wind dir         SW SW SW  W  W NW NW NE NE NE NE NE NE  E  E  E NE  E  E  E SE
Wind spd          4  9  9  8  3  2  2  3  2  3  4  4  3  2  1  1  1  1  2  2  2
Clouds           B1 B1 B1 SC SC SC B1 B2 B1 B2 SC FW SC SC SC SC SC FW FW CL FW
PoP 12hr                     40          40          10          10           5
QPF 12hr              0.10-0.19   0.11-0.21           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C  C  C  C  C  S  S
Tstms                S  C  C  C  S  S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          64    83      66    81      62    79      64    80
Temp          68 65 80 80   70 66 79 78   66 63 77 76   67 64 78 78
Dewpt         66 65 72 74   69 66 70 71   66 63 68 71   66 64 72 73
PWind dir         S    SW       W    NW       N     E      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW SC FW   FW SC FW FW   FW FW SC B1   B1 SC B1 SC
PoP 12hr         10    20      30     5       5    10      20    20
Rain shwrs           S  S    S  C                           S  S
Tstms                S  S    S  C

$$
IAZ092-182100-
Taylor-
Including the cities of Bedford, Lenox, and New Market
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      82          66          80          63          82
Temp             68 71 78 81 78 72 70 68 67 72 78 80 76 69 67 65 63 73 79 82 79
Dewpt            66 67 73 74 74 72 70 68 67 71 72 71 71 69 67 65 63 69 70 70 71
RH               93 87 85 79 88100100100100 97 82 74 85100100100100 87 74 67 77
Wind dir          S SW SW SW  N NE NE  E NE NE  E  E NE NE  E NE  E SE SE SE SE
Wind spd          5  8  8  6  4  3  3  3  3  5  5  4  4  3  2  2  2  3  3  3  3
Clouds           B1 B1 B1 B1 B1 SC B2 B2 B1 B1 SC SC FW SC SC SC SC FW FW FW FW
PoP 12hr                     50          40          10          20           5
QPF 12hr              0.30-0.52   0.12-0.23           0        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  S  C  C  C  S  S           S     S  S
Tstms             C  S  S  S  C  S  S                 S
Heat index                87
Max heat               85    91                      86                84    88


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          65    85      66    83      63    81      65    83
Temp          68 65 82 81   70 66 81 79   67 65 79 78   69 65 81 80
Dewpt         67 65 73 74   70 66 70 70   66 63 69 70   66 65 73 74
PWind dir         S    SW       N     N       E    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    FW SC FW FW   FW SC FW FW   FW SC B1 SC   SC B1 B1 SC
PoP 12hr          5    10      20    10      20    20      30    10
Rain shwrs              S    S  S             S  S       S  C
Tstms                   S    S  S                        S  S

$$
IAZ093-182100-
Ringgold-
Including the city of Mount Ayr
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      81          65          79          63          80
Temp             68 72 77 80 77 71 70 67 66 72 77 79 76 69 66 65 63 72 78 80 77
Dewpt            66 67 72 73 73 71 70 67 66 70 71 70 70 68 66 65 63 68 69 69 70
RH               93 84 85 79 87100100100100 93 82 74 82 97100100100 87 74 69 79
Wind dir         SW  W SW SW NW NE NE  E NE NE  E  E NE NE NE NE NE  E  E SE SE
Wind spd          6  8  8  8  4  4  3  3  3  5  5  5  4  3  3  2  2  3  3  3  3
Clouds           SC B1 B1 SC SC SC B2 B2 B1 B1 SC SC SC SC SC SC SC FW FW FW FW
PoP 12hr                     40          40          10          20           5
QPF 12hr              0.28-0.52   0.12-0.23           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  C  C  C  C  S  S           S
Tstms             S  S  S  C  C  S  S                 S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          64    84      66    82      63    80      64    82
Temp          68 65 81 80   70 66 80 78   67 64 78 77   68 65 79 79
Dewpt         66 65 72 73   69 66 69 70   65 62 68 70   66 64 72 73
PWind dir         S    SW       W     N      NE    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      GN    GN
Avg clouds    FW SC FW FW   FW SC FW FW   FW SC SC B1   SC B1 B1 SC
PoP 12hr          5    20      20    10      10    20      30    10
Rain shwrs              S       S                S       S  C
Tstms                   S       S                           S

$$
IAZ094-182100-
Decatur-
Including the cities of Lamoni and Leon
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      81          66          79          63          81
Temp             69 73 78 81 77 71 70 68 67 72 77 79 76 69 67 65 63 72 78 81 77
Dewpt            65 67 71 73 72 71 70 68 67 70 70 70 70 68 67 65 63 68 68 68 70
RH               87 81 79 77 85100100100100 93 79 74 82 97100100100 87 71 65 79
Wind dir          S SW SW SW NW NE NE  E NE NE NE NE NE NE NE NE NE  E  E SE SE
Wind spd          4  6  9  8  4  3  3  3  3  4  5  5  4  3  2  2  2  3  3  3  2
Clouds           SC B1 B2 SC SC SC B2 OV B1 B1 SC FW FW SC SC SC FW FW FW FW FW
PoP 12hr                     50          50          10          20           5
QPF 12hr              0.18-0.43   0.12-0.45           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  C  C  C  C  C  C  S              S
Tstms             S  S  S  C  C  S  S                 S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          64    84      66    82      63    80      64    82
Temp          68 65 81 80   70 66 80 78   67 64 77 77   68 65 79 79
Dewpt         66 65 72 73   69 66 69 70   65 62 67 69   66 64 71 73
PWind dir         S    SW       W     N      NE    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW FW SC FW   FW SC FW FW   FW SC SC B1   SC B1 B1 SC
PoP 12hr         10    20      20    10      10    20      30    10
Rain shwrs           S  S    S  S                S       S  C  S
Tstms                S  S    S  S                           S  S

$$
IAZ095-182100-
Wayne-
Including the cities of Corydon, Seymour, Allerton, and Humeston
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      80          65          79          62          80
Temp             68 74 78 80 76 71 70 68 66 72 77 79 76 69 67 64 63 72 78 80 77
Dewpt            65 67 72 73 73 71 70 68 66 70 71 71 71 69 67 64 63 68 68 68 70
RH               90 79 82 79 90100100100100 93 82 77 85100100100100 87 71 67 79
Wind dir         SW SW SW SW  W NE NE NE NE NE NE NE NE NE  E NE NE  E  E  E SE
Wind spd          4  8  9  8  3  2  2  2  2  4  4  4  3  2  2  1  1  2  2  2  1
Clouds           SC B1 B2 SC SC B1 B1 OV B1 B1 SC FW FW B1 SC SC SC FW FW CL FW
PoP 12hr                     50          50          10          10           5
QPF 12hr              0.12-0.31   0.15-0.46           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  C  C  C  C  C  C  S
Tstms                S  S  C  C  S  S


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          64    83      65    81      62    79      64    81
Temp          68 65 81 79   69 66 80 77   66 64 77 76   68 65 79 78
Dewpt         66 65 72 73   69 66 70 71   66 63 68 70   66 65 71 73
PWind dir         S    SW       W     N      NE    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW FW SC FW   FW FW FW FW   FW FW SC B1   B1 SC B1 SC
PoP 12hr         10    20      20     5      10    20      30    10
Rain shwrs        S  S  S    S  S                S       S  C
Tstms             S  S  S    S  S                           S

$$
IAZ096-182100-
Appanoose-
Including the city of Centerville
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      81          66          79          63          81
Temp             68 74 78 80 77 72 70 68 68 72 77 79 77 70 67 65 64 73 79 81 78
Dewpt            65 67 71 73 73 72 70 68 68 70 70 71 71 69 67 65 64 68 67 68 70
RH               90 79 79 79 87100100100100 93 79 77 82 97100100100 84 67 65 76
Wind dir         SW SW SW SW  W  N NE NE NE NE NE NE NE  E  E NE NE  E  E  E SE
Wind spd          3  8  9  6  2  1  1  2  1  3  3  3  2  1  1  1  0  1  2  1  0
Clouds           B1 B1 B1 SC SC SC B1 B2 B1 B1 SC FW SC SC SC SC SC FW FW CL FW
PoP 12hr                     50          50          10          10           5
QPF 12hr              0.08-0.29   0.15-0.31           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C  C  C  C  C  C  C  S
Tstms                   S  C  C  S  S
Heat index                85
Max heat                     88                      84                      85


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          64    83      66    81      63    79      64    81
Temp          68 65 81 80   70 67 80 78   67 64 77 77   68 65 79 78
Dewpt         66 65 72 74   69 67 69 71   66 64 68 70   66 65 71 73
PWind dir         S    SW       W     N      NE     E      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW FW FW FW   FW FW FW FW   FW FW SC B1   B1 SC B1 SC
PoP 12hr         10    10      20     5       5    20      30    10
Rain shwrs              S    S  S                S       S  S  S
Tstms                   S    S  S                           S

$$
IAZ097-182100-
Davis-
Including the city of Bloomfield
631 AM CDT Tue Aug 18 2026

Date             Tue 08/18/26            Wed 08/19/26            Thu 08/20/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      81          66          80          63          81
Temp             68 74 78 80 77 72 70 68 68 72 77 79 77 70 67 65 63 73 78 81 78
Dewpt            65 66 72 75 74 72 70 68 68 71 72 72 72 69 67 65 63 69 69 69 71
RH               90 76 82 85 90100100100100 97 85 79 85 97100100100 87 74 67 79
Wind dir         SW SW SW  W  W NW NW  N NE NE NE NE NE NE  E NE NE  E  E  E SE
Wind spd          3  8  6  5  2  2  2  2  1  2  3  3  2  2  1  1  0  1  1  1  0
Wind gust              17
Clouds           B1 B1 B1 SC SC SC B1 OV B2 B2 SC FW SC SC SC SC SC FW FW CL FW
PoP 12hr                     40          50          20          10           5
QPF 12hr              0.04-0.20   0.18-0.32           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C  C  C  C  C  C  C  S
Tstms                   S  C  C  S  S
Heat index                85
Max heat               84    89                      85                      85


Date          Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          64    83      66    81      62    79      64    81
Temp          67 65 80 80   70 66 79 78   66 64 77 77   67 65 78 78
Dewpt         66 65 73 75   69 66 71 72   66 64 69 72   66 65 72 75
PWind dir         S    SW       W    NW       N     E      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW FW FW   FW SC FW FW   FW FW SC B1   B1 SC B1 SC
PoP 12hr          5    10      20     5       5    10      20    20
Rain shwrs              S    S  S                S          S  S
Tstms                   S    S  S

$$