Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
1130 AM CDT Tue Jun 18 2024

IAZ060-182100-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
1130 AM CDT Tue Jun 18 2024

Date             Tue 06/18/24            Wed 06/19/24            Thu 06/20/24
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                      91          70          77          68          86
Temp                   86 88 88 82 76 73 71 73 74 77 77 73 70 69 70 76 82 85 84
Dewpt                  71 71 69 68 68 67 67 66 64 64 63 64 64 65 66 68 69 68 67
RH                     61 57 54 63 76 81 87 79 71 64 62 73 81 87 87 76 65 57 57
Wind dir                S  S  S  S  W  S  S  W  N NE NE NE NE  E  E  S  S  S SE
Wind spd               23 20 18 13 11  8  6  8  8  6  5  5  4  3  4  5  5  6  5
Wind gust              36 34 32 25
Clouds                 B1 SC SC B2 OV OV B2 OV OV OV B2 B2 B2 B2 B1 B2 B2 B1 SC
PoP 12hr                     20          90          90          40          50
QPF 12hr                   0.10        1.16        0.44        0.03        0.07
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  S  C  D  D  D  D  L  L  C  C  C  C  C  C  C  C
Tstms                      S  S  C  L  L  C  L  L  C  C  C  C  C  C  C  C  C
Heat index             91 96
Max heat               91    97    92                                  86    90


Date          Fri 06/21/24  Sat 06/22/24  Sun 06/23/24  Mon 06/24/24
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          70    92      75    91      68    86      65    89
Temp          74 73 88 88   78 76 88 87   76 71 83 84   70 67 83 85
Dewpt         67 68 68 67   65 66 68 66   66 65 62 59   59 60 61 60
PWind dir        SE     S       S    SW       W    NW       N    SE
Wind char        LT    GN      GN    GN      GN    GN      LT    LT
Avg clouds    SC SC FW SC   SC B1 B1 B1   SC SC FW FW   FW SC FW FW
PoP 12hr         10    20      20    40      50    10       5     5
Rain shwrs              S       S  C  C    C  C
Tstms                   S       S  C  C    C  C

$$
IAZ039-182100-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
1130 AM CDT Tue Jun 18 2024

Date             Tue 06/18/24            Wed 06/19/24            Thu 06/20/24
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                      91          69          74          65          83
Temp                   85 88 87 80 75 71 69 73 73 73 72 69 67 65 67 74 80 82 80
Dewpt                  73 72 70 69 68 67 67 65 63 62 62 63 64 63 64 67 69 70 69
RH                     67 59 57 69 79 87 93 76 71 68 71 81 90 93 90 79 69 67 69
Wind dir                S  S  S  S SW  S  S  W  N  N  N NE NE NE  E  E  S  S SE
Wind spd               25 24 20 17 13 10  8  9  9  8  6  4  3  3  4  5  6  6  5
Wind gust              40 36 31
Clouds                 SC SC B1 B2 OV OV B2 OV OV OV B2 B2 B2 B1 B2 B2 B2 B1 B1
PoP 12hr                     20          90          70          50          70
QPF 12hr                   0.05        0.78        0.29        0.14        0.22
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S  C  D  D  L  L  L  L  C  C  C  C  L  L  L  L  S
Tstms                         S  C  L  C  C  L  C  C  C  C  C  C  C  C  C  L  S
Heat index             92 96 92
Max heat               92    97    92                                  83    86


Date          Fri 06/21/24  Sat 06/22/24  Sun 06/23/24  Mon 06/24/24
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          68    90      72    89      66    82      62    86
Temp          71 71 86 86   75 74 84 83   72 69 80 79   67 64 80 81
Dewpt         69 69 69 68   68 67 70 68   67 64 62 60   60 59 60 61
PWind dir        SE     S       S    SW       W    NW      NW     E
Wind char        LT    GN      GN    GN      GN    GN      LT    GN
Avg clouds    B1 B1 SC SC   SC B2 B2 B2   B1 SC SC FW   FW SC FW FW
PoP 12hr         20    30      30    60      60    10       5     5
Rain shwrs     S  S  S  C    S  C  C  L    L  C
Tstms          S  S  S  C    S  C  C  C    C  C

$$
IAZ048-182100-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
1130 AM CDT Tue Jun 18 2024

Date             Tue 06/18/24            Wed 06/19/24            Thu 06/20/24
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                      89          68          74          65          84
Temp                   85 86 87 79 73 70 69 69 71 74 74 70 66 66 67 73 79 83 81
Dewpt                  72 72 70 69 68 67 66 63 62 63 62 63 64 64 66 69 70 70 69
RH                     65 63 57 72 84 90 90 81 73 69 66 78 93 93 97 87 74 65 67
Wind dir                S  S  S SW  W SW  N  N  N NE NE NE NE NE NE  E SE  S SE
Wind spd               24 21 17 13 10  6  6  8  9  8  6  5  4  3  4  5  6  6  5
Wind gust              36 35 31
Clouds                 B1 B1 B1 B2 OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B1 B1
PoP 12hr                     40          90          70          50          50
QPF 12hr                   0.08        0.89        0.20        0.14        0.13
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  C  C  L  D  D  L  L  L  L  C  C  C  C  C  C  C  C  S
Tstms                   S  C  C  L  L  L  C  C  C  C  C  C  C  C  C  C  C  C  S
Heat index             91 94 92
Max heat               91    95    90                                  83    88


Date          Fri 06/21/24  Sat 06/22/24  Sun 06/23/24  Mon 06/24/24
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          69    90      73    89      66    84      63    87
Temp          72 71 86 86   75 75 85 84   72 69 80 81   67 65 81 83
Dewpt         69 69 70 68   68 68 71 68   67 66 63 61   60 61 62 62
PWind dir        SE     S       S    SW       W    NW       N    SE
Wind char        LT    GN      LT    GN      GN    GN      LT    GN
Avg clouds    SC SC SC SC   SC B1 B2 B1   SC SC FW FW   FW SC SC SC
PoP 12hr         20    20      30    50      50    10       5     5
Rain shwrs     S     S  S       C  C  C    C  C
Tstms          S     S  S       C  C  C    C  C

$$
IAZ004-182100-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
1130 AM CDT Tue Jun 18 2024

Date             Tue 06/18/24            Wed 06/19/24            Thu 06/20/24
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                      85          60          70          59          76
Temp                   78 80 77 70 67 63 61 63 67 69 69 62 61 60 62 66 71 73 73
Dewpt                  72 73 69 65 61 57 55 55 55 56 56 56 57 57 59 61 63 65 65
RH                     82 79 76 84 81 81 81 75 65 63 63 81 87 90 90 84 76 76 76
Wind dir                S  S SW SW NW NW  N  N  N NE NE NE NE NE NE  E  E  E  E
Wind spd               28 26 18 13 10 10 11 11 12 11 10  6  5  6  8 10 10 10  9
Wind gust              44 41 29
Clouds                 B2 B2 OV OV OV OV B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2
PoP 12hr                     80          90          40          60          50
QPF 12hr                   0.56        0.55        0.02        0.33        0.42
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  C  D  L  C  C  C  C  C  C  C  C  L  L  C  C  C  C  C
Tstms                   S  C  L  C  C  C  C  S           S  C  C  C  C  C  C  C
Heat index                90
Max heat                     90


Date          Fri 06/21/24  Sat 06/22/24  Sun 06/23/24  Mon 06/24/24
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          66    87      71    85      62    81      61    85
Temp          68 69 84 83   74 73 80 79   68 65 77 76   64 64 79 79
Dewpt         66 67 70 68   67 67 69 66   63 61 61 59   58 59 63 62
PWind dir        SE     S       S    SW      NW    NW      NW    SE
Wind char        LT    GN      GN    BZ      GN    GN      LT    GN
Avg clouds    B2 B2 SC SC   B1 B2 B1 B1   SC SC FW FW   FW FW FW FW
PoP 12hr         40    40      70    60      30    10       5     5
Rain shwrs     C  C  C  C    C  L  L  L    C  S
Tstms          C  C  C  C    C  C  C  C    C  S

$$
IAZ035-182100-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
1130 AM CDT Tue Jun 18 2024

Date             Tue 06/18/24            Wed 06/19/24            Thu 06/20/24
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                      87          64          72          61          81
Temp                   81 83 83 74 69 66 65 66 69 71 72 64 63 63 64 70 76 80 78
Dewpt                  72 73 71 68 66 63 60 58 59 59 59 59 59 60 61 65 67 68 68
RH                     74 72 67 82 90 90 84 75 70 66 64 84 87 90 90 84 74 67 71
Wind dir                S  S  S SW  W  N  N  N  N NE NE NE NE NE NE  E SE  S SE
Wind spd               25 21 17 12  9  6  6  9 10 10  8  5  4  4  4  5  6  6  5
Wind gust              40 33
Clouds                 B2 B2 B2 OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B1
PoP 12hr                     60          90          50          60          60
QPF 12hr                   0.01        1.08        0.14        0.23        0.27
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S  L  D  L  D  C  C  C  C  C  C  L  L  L  L  C  C  S
Tstms                   S  S  L  L  L  L  C  C  C  C  C  C  C  C  C  C  C  C  S
Heat index                92 88
Max heat               86    93    83                                        83


Date          Fri 06/21/24  Sat 06/22/24  Sun 06/23/24  Mon 06/24/24
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          66    89      72    87      63    83      62    86
Temp          69 70 86 84   73 73 82 82   69 66 79 79   65 64 80 81
Dewpt         67 68 69 68   67 67 70 68   65 63 62 60   58 59 62 62
PWind dir        SE     S       S    SW      NW    NW       N    SE
Wind char        LT    GN      GN    GN      GN    GN      LT    GN
Avg clouds    B1 B1 SC SC   B1 B2 B1 B1   SC SC FW FW   FW FW FW FW
PoP 12hr         20    30      40    60      40    10       5     5
Rain shwrs     S  S  S  C    S  C  C  L    C  S
Tstms          S  S  S  C    S  C  C  C    C  S

$$
IAZ094-182100-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
1130 AM CDT Tue Jun 18 2024

Date             Tue 06/18/24            Wed 06/19/24            Thu 06/20/24
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                      89          70          81          68          88
Temp                   85 87 86 80 76 72 71 75 78 80 80 73 71 70 71 79 85 86 85
Dewpt                  71 70 69 69 69 68 69 69 69 68 68 68 67 68 69 70 70 69 68
RH                     63 57 57 69 79 87 93 82 74 67 67 84 87 93 93 74 61 57 57
Wind dir                S  S  S  S  S  S SE  S SW NW NE NE  E SE SE  S  S  S  S
Wind spd               23 21 19 14 11 10  8  8  9  8  5  5  4  4  4  5  6  6  5
Wind gust              37 36 32 25
Clouds                 SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC
PoP 12hr                     10          80          90          30          30
QPF 12hr                   0.08        0.38        0.61        0.01        0.06
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          C  L  D  D  L  L  C  C  C  C  C  C  C  C
Tstms                               C  L  C  C  L  L  C  C  C  C  C  C  C  C
Heat index             90 92
Max heat               91    95    90                85                90    91


Date          Fri 06/21/24  Sat 06/22/24  Sun 06/23/24  Mon 06/24/24
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          69    90      74    91      69    87      66    90
Temp          73 72 87 88   76 75 88 87   75 71 84 84   70 68 85 86
Dewpt         69 69 68 67   66 66 68 68   69 67 64 62   61 61 63 63
PWind dir        SE     S       S    SW       W    NW       N    SE
Wind char        LT    GN      GN    GN      GN    GN      LT    LT
Avg clouds    SC FW SC SC   SC B1 SC B1   B1 SC FW FW   FW SC FW FW
PoP 12hr         10    10      10    30      60    10      10     5
Rain shwrs                         S  C    L  C
Tstms                              S  C    L  C

$$
IAZ017-182100-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
1130 AM CDT Tue Jun 18 2024

Date             Tue 06/18/24            Wed 06/19/24            Thu 06/20/24
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                      87          63          72          60          79
Temp                   80 84 85 76 71 66 64 64 70 71 71 64 63 61 63 68 74 77 77
Dewpt                  72 73 71 68 66 61 59 58 58 59 58 58 59 59 60 64 66 67 66
RH                     77 70 63 76 84 84 84 81 66 66 63 81 87 93 90 87 76 71 69
Wind dir                S  S  S SW SW  W NW  N  N  N NE NE NE NE NE  E  E SE  E
Wind spd               25 25 19 14 11  9  9  9 10  9  8  5  4  5  5  6  8  6  5
Wind gust              40 39 32 25
Clouds                 B2 B2 B1 OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1 B2 B2 B1 B1
PoP 12hr                     50          90          50          60          60
QPF 12hr                   0.06        0.91        0.14        0.23        0.32
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  S  L  D  D  D  C  C  C  C  C  C  L  L  L  L  C  C  S
Tstms                   C  S  L  L  L  C  C  C  S  C  C  C  C  C  C  C  C  C  S
Heat index                91 90
Max heat               85    92    87


Date          Fri 06/21/24  Sat 06/22/24  Sun 06/23/24  Mon 06/24/24
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          66    87      70    86      62    80      59    84
Temp          69 69 84 82   73 72 81 80   68 65 76 76   64 62 78 79
Dewpt         67 67 70 67   67 67 70 67   63 62 61 59   58 58 61 61
PWind dir        SE     S       S    SW       W    NW      NW    SE
Wind char        LT    GN      GN    BZ      GN    GN      LT    GN
Avg clouds    B1 B1 B1 SC   B1 B2 B2 B1   SC SC SC FW   FW FW FW FW
PoP 12hr         30    50      50    70      50    10       5     5
Rain shwrs     S  C  C  C    C  C  L  L    C  C
Tstms          S  C  C  C    C  C  C  L    C  C

$$
IAZ049-182100-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
1130 AM CDT Tue Jun 18 2024

Date             Tue 06/18/24            Wed 06/19/24            Thu 06/20/24
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                      90          69          75          64          84
Temp                   84 87 87 79 74 71 69 74 74 73 73 69 67 65 67 75 80 82 80
Dewpt                  72 72 70 68 67 67 67 65 63 63 62 63 63 63 65 68 69 69 69
RH                     67 61 57 69 79 87 93 74 69 71 68 81 87 93 93 79 69 65 69
Wind dir                S  S  S  S SW  S  S NW  N  N  N NE NE NE  E SE  S  S SE
Wind spd               25 25 20 16 12  9  6  8  8  8  6  5  4  3  4  5  5  6  5
Wind gust              41 40 33
Clouds                 SC SC SC B2 OV OV B2 OV OV OV B2 B2 B2 B2 B1 B2 B2 B2 B1
PoP 12hr                     20          90          80          50          60
QPF 12hr                   0.07        1.11        0.32        0.11        0.13
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S  L  D  D  D  L  L  L  C  C  C  C  L  L  C  C  S
Tstms                         S  L  L  C  C  L  C  C  C  C  C  C  C  C  C  C  S
Heat index             90 94
Max heat               91    95    90                                  83    87


Date          Fri 06/21/24  Sat 06/22/24  Sun 06/23/24  Mon 06/24/24
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          68    90      72    89      65    83      62    86
Temp          71 71 87 86   74 73 85 83   72 68 80 80   67 64 80 82
Dewpt         68 69 68 67   66 67 69 68   66 64 62 60   59 59 60 60
PWind dir        SE     S       S    SW       W    NW      NW    SE
Wind char        LT    GN      GN    GN      GN    GN      LT    GN
Avg clouds    SC SC SC SC   SC B1 B2 B1   B1 SC FW FW   FW SC FW FW
PoP 12hr         20    20      30    50      60    10      10     5
Rain shwrs     S     S  S       C  C  C    L  C
Tstms          S     S  S       C  C  C    L  C

$$
IAZ086-182100-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
1130 AM CDT Tue Jun 18 2024

Date             Tue 06/18/24            Wed 06/19/24            Thu 06/20/24
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                      91          72          84          69          89
Temp                   87 89 88 82 78 74 74 80 84 84 82 75 73 71 72 80 85 88 87
Dewpt                  71 70 69 69 69 68 69 70 70 69 66 67 67 67 69 71 69 68 67
RH                     59 54 54 65 74 82 84 72 63 61 58 76 81 87 90 74 59 52 52
Wind dir                S  S  S  S  S  W  S SW SW  W NE NE  E  E SE  S  S  S  S
Wind spd               23 23 19 14 12 11  9  9 10  9  5  5  4  4  5  5  5  6  5
Wind gust              34 35 31 26 23
Clouds                 SC SC FW SC SC B1 B1 B1 B2 B1 B1 B1 B1 B1 SC B1 B1 SC SC
PoP 12hr                      5          60          70          30          30
QPF 12hr                      0        0.21        0.60        0.01        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          C  C  L  L  L  L  C  C  C  C  C  C  C  C
Tstms                               C  C  C  C  L  L  C  C  C  C  C  S  C  C
Heat index             93 96
Max heat               94    97    92          88    90    83          91    94


Date          Fri 06/21/24  Sat 06/22/24  Sun 06/23/24  Mon 06/24/24
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          70    93      73    93      69    86      64    88
Temp          75 74 89 88   77 75 90 88   76 72 84 84   70 67 82 84
Dewpt         69 69 67 66   66 66 68 66   69 68 64 60   61 61 61 61
PWind dir        SE     S       S    SW      SW    NW      NW     E
Wind char        LT    GN      LT    GN      GN    GN      LT    GN
Avg clouds    SC SC FW FW   SC SC B1 B1   B1 SC FW FW   FW FW FW FW
PoP 12hr         10    10      10    30      60    10      10     5
Rain shwrs                         S  C    L  L
Tstms                              S  C    L  C

$$