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Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
807 AM CDT Wed Aug 16 2017

IAZ060-162200-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
807 AM CDT Wed Aug 16 2017

Date             Wed 08/16/17            Thu 08/17/17            Fri 08/18/17
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          65          81          60          85
Temp                76 82 85 79 73 68 67 65 72 78 81 79 71 66 62 61 75 81 85 80
Dewpt               71 70 71 72 70 68 65 65 66 64 64 62 62 60 58 57 61 60 59 62
RH                  85 67 63 79 90100 93100 81 62 56 56 73 81 87 87 62 49 41 54
Wind dir            SE SE  S  S  S SW  W  W  W  W NW NW NW NW  W  W  W  W SW SW
Wind spd             8 12 10 10  6  9  9  8 11 13 13 11  5  4  4  4  5  5  6  5
Wind gust                                         24
Clouds              B2 B2 B2 OV B2 B2 B1 B2 B1 SC SC SC FW FW CL FW SC B1 SC B1
PoP 12hr                     60          60          10           0          20
QPF 12hr                   0.38        0.20           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  C  L  L  L  C  S                                S  S  C
Tstms                S  C  L  L  L  C  S                                S  S  C
Heat index                90
Max heat               86    91                      83                82    85


Date          Sat 08/19/17  Sun 08/20/17  Mon 08/21/17  Tue 08/22/17
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    84      64    88      69    87      68    84
Temp          66 62 80 81   68 66 86 85   73 70 85 85   73 69 82 82
Dewpt         63 62 64 63   62 62 65 66   66 66 69 69   69 67 68 65
PWind dir        SW    NW      SE     S       S     S      SE     N
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC SC FW   FW FW FW SC   SC B1 B1 B1   B1 B2 B1 SC
PoP 12hr         50     5       0     5      30    30      50    30
Rain shwrs     C                           S  C  C  C    C  C  C  C
Tstms          C                           S  C  C  C    C  C  C  C

$$
IAZ039-162200-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
807 AM CDT Wed Aug 16 2017

Date             Wed 08/16/17            Thu 08/17/17            Fri 08/18/17
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          77          58          81
Temp                73 79 79 75 71 70 67 66 70 77 77 75 68 64 61 59 72 78 81 77
Dewpt               68 71 71 71 71 70 67 66 66 66 65 64 63 61 58 57 62 61 62 63
RH                  84 77 77 87100100100100 87 69 67 69 84 90 90 93 71 56 53 62
Wind dir            SE SE SE SE  S  S SW SW  W  W  W NW NW NW  W  W NW  W  W  W
Wind spd            10 12 13  9  9  9  8  8 10 12 13 12  9  6  6  5  6  6  8  5
Wind gust                                         26 23
Clouds              B2 B2 OV OV OV OV B2 OV B2 B2 B1 B1 SC FW FW FW FW SC SC B1
PoP 12hr                     60          60          30           5          10
QPF 12hr                   0.27        0.49           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  C  L  L  C  C  C  C  S  S                          C
Tstms                   S  C  L  L  C  C  C  C  S  S                          C


Date          Sat 08/19/17  Sun 08/20/17  Mon 08/21/17  Tue 08/22/17
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          60    81      61    85      66    84      65    82
Temp          64 60 78 78   65 63 83 81   70 67 83 79   69 66 80 77
Dewpt         61 60 64 63   61 61 66 66   64 64 69 68   66 65 66 64
PWind dir        SW    NW       S     S       S     S      SW     N
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC SC FW   FW FW FW SC   SC B1 B1 B1   B1 B1 B1 SC
PoP 12hr         30     5       0     5      20    20      40    20
Rain shwrs     C                           S  S  S  S    C  C     S
Tstms          C                           S  S  S  S    C  C     S

$$
IAZ048-162200-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
807 AM CDT Wed Aug 16 2017

Date             Wed 08/16/17            Thu 08/17/17            Fri 08/18/17
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                      83          65          80          57          83
Temp                74 82 81 77 72 68 66 65 71 77 80 78 68 64 60 58 74 79 83 78
Dewpt               71 71 72 72 71 68 65 65 66 65 63 62 62 59 57 56 62 61 61 63
RH                  90 69 74 85 97100 97100 84 67 56 58 81 84 90 93 66 54 47 60
Wind dir            SE SE SE  S  S SW  W  W  W  W NW NW NW NW  W  W  W  W SW SW
Wind spd            10 12 10  6  8  9  9  8 12 14 12 11  5  4  5  4  4  4  6  4
Wind gust                                         24
Clouds              B2 OV OV OV B2 B2 B2 B2 B2 B1 B1 SC FW FW FW FW SC B1 SC B1
PoP 12hr                     70          70          20           0          20
QPF 12hr                   0.45        0.22           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  C  L  L  L  C  S  S  S                          S  S  C
Tstms                S  C  L  L  L  C  S  S  S                          S  S  C
Heat index             87
Max heat               88    88                      82                81    83


Date          Sat 08/19/17  Sun 08/20/17  Mon 08/21/17  Tue 08/22/17
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          60    82      62    86      67    85      66    82
Temp          64 60 79 79   66 64 84 83   71 68 83 83   71 67 81 78
Dewpt         62 60 64 63   61 61 65 67   66 66 69 69   68 66 67 65
PWind dir        SW    NW       E     S       S     S       S     N
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC SC FW   FW FW FW SC   SC B1 B1 B1   B1 B2 B1 SC
PoP 12hr         40     5       0     5      30    30      50    30
Rain shwrs     C                           C  C  S  C    C  C  S  C
Tstms          C                           C  C  S  C    C  C  S  C

$$
IAZ004-162200-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
807 AM CDT Wed Aug 16 2017

Date             Wed 08/16/17            Thu 08/17/17            Fri 08/18/17
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                      76          62          75          57          79
Temp                70 76 74 71 66 64 63 62 64 71 74 73 63 59 58 58 70 76 79 74
Dewpt               67 72 70 68 66 64 63 62 63 63 62 61 59 56 55 55 61 61 62 63
RH                  90 87 87 90100100100100 97 76 66 66 87 90 90 90 73 60 56 69
Wind dir            SE SE SE  S  S  W  W NW NW NW NW NW NW  W  W  W  W  W SW  W
Wind spd             9 10 10  6  5  8 11 11 14 16 16 11  5  5  4  4  5  6  6  4
Wind gust                                   26 27
Clouds              OV OV OV B2 OV OV OV B2 B2 B1 SC FW FW FW FW SC B1 B1 SC B1
PoP 12hr                     70          50          20           5          20
QPF 12hr                   0.71        0.23           0           0        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C  C  L  C  C  C  C  S  S                          S  S  S
Tstms                C  C  L  C  C  C  C  S  S                          S  S  S


Date          Sat 08/19/17  Sun 08/20/17  Mon 08/21/17  Tue 08/22/17
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          58    80      62    84      65    81      61    79
Temp          61 58 77 77   65 64 82 81   69 67 80 77   67 62 76 76
Dewpt         60 58 63 63   61 61 67 68   66 65 68 68   64 61 63 63
PWind dir         W     W       S     S       S     S      NE     N
Wind char        LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    SC SC FW FW   FW FW SC B1   B1 B1 B1 B1   B1 B1 SC SC
PoP 12hr         20     0       0    40      40    30      30     5
Rain shwrs     S                      C    C  C  S  C    C  C
Tstms          S                      C    C  C  S  C    C  C

$$
IAZ035-162200-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
807 AM CDT Wed Aug 16 2017

Date             Wed 08/16/17            Thu 08/17/17            Fri 08/18/17
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          57          82
Temp                73 79 77 74 69 67 64 64 68 74 77 76 67 62 58 58 72 79 82 77
Dewpt               69 72 72 70 68 67 64 63 64 63 63 61 60 57 56 55 61 61 61 63
RH                  87 79 85 87 97100100 97 87 69 62 60 78 84 93 90 68 54 49 62
Wind dir            SE SE SE SE  S SW  W  W  W NW NW NW NW  W  W  W  W SW SW SW
Wind spd             9 11 11  8  6  8 10  8 12 14 14 10  5  4  3  3  5  6  6  4
Wind gust                                   23 25
Clouds              B2 OV OV B2 B2 B2 B2 B2 B2 B1 SC FW FW FW FW SC SC B1 B1 B1
PoP 12hr                     70          50          20           5          20
QPF 12hr                   0.61        0.14           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C  C  L  C  C  C  S  S  S                          S  S  C
Tstms                C  C  L  C  C  C  S  S  S                          S  S  C


Date          Sat 08/19/17  Sun 08/20/17  Mon 08/21/17  Tue 08/22/17
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          59    82      62    86      66    84      64    81
Temp          63 59 78 79   66 64 83 83   70 68 83 81   69 65 79 78
Dewpt         61 59 64 63   60 60 66 67   66 65 69 69   67 63 65 64
PWind dir        SW     W       S     S       S    SW       N     N
Wind char        LT    LT      LT    GN      LT    GN      LT    LT
Avg clouds    SC SC FW FW   FW FW SC SC   SC B1 B1 B1   B2 B1 SC SC
PoP 12hr         30     5       0    10      40    30      50    20
Rain shwrs     C                           C  C  S  C    C  C  S  S
Tstms          C                           C  C  S  C    C  C  S  S

$$
IAZ094-162200-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
807 AM CDT Wed Aug 16 2017

Date             Wed 08/16/17            Thu 08/17/17            Fri 08/18/17
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                      86          65          82          60          85
Temp                76 81 86 80 73 71 68 65 73 79 82 80 71 66 63 61 76 82 85 81
Dewpt               71 71 72 74 69 69 65 65 67 65 64 62 60 59 58 57 61 60 61 63
RH                  85 72 63 82 87 93 90100 81 62 55 54 68 78 84 87 60 47 45 54
Wind dir             S  S  S SW SW SW  W  W  W  W NW NW NW NW  W  W  W SW SW  S
Wind spd             9 11 11  8  9  9  8  8 12 12 13 10  6  5  4  4  4  5  8  5
Clouds              OV B2 B2 OV OV B2 B1 B1 B1 SC SC FW FW FW FW FW SC B1 SC B1
PoP 12hr                     60          70          10           0          30
QPF 12hr                   0.40        0.34           0           0        0.05
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  C  C  L  L  C  S                                C  C  C
Tstms                S  C  C  L  L  C  S                                C  C  C
Heat index                92 85
Max heat               86    93                82    84                83    86


Date          Sat 08/19/17  Sun 08/20/17  Mon 08/21/17  Tue 08/22/17
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    84      64    87      68    86      69    85
Temp          66 62 81 81   68 66 85 84   73 69 84 84   74 70 83 81
Dewpt         64 62 65 63   63 62 66 67   67 66 69 70   70 69 70 67
PWind dir        SW    NW      SE     S       S     S      SW     N
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC FW FW   FW FW FW SC   SC B1 B1 B1   B1 B2 B1 B1
PoP 12hr         50     0       0     5      30    40      50    30
Rain shwrs     C  S                           C  C  C    C  C  C  C
Tstms          C  S                           C  C  C    C  C  C  C

$$
IAZ017-162200-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
807 AM CDT Wed Aug 16 2017

Date             Wed 08/16/17            Thu 08/17/17            Fri 08/18/17
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          65          76          57          80
Temp                70 78 77 73 69 68 66 65 68 73 76 74 66 62 59 58 72 78 80 75
Dewpt               68 71 72 70 69 68 65 64 65 64 64 63 61 59 57 56 62 62 63 64
RH                  93 79 85 90100100 97 97 90 73 66 69 84 90 93 93 71 58 56 69
Wind dir            SE SE SE SE SE  S SW  W  W NW NW NW NW NW  W  W  W  W  W  W
Wind spd            10 12 13  9  8  9  9  9 12 14 16 13  8  6  6  5  6  6  5  5
Wind gust                                         26
Clouds              OV B2 OV OV B2 B2 B2 OV B2 B2 B1 B1 SC FW FW FW SC B1 B1 B1
PoP 12hr                     60          60          30           5          20
QPF 12hr                   0.42        0.47           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  C  L  L  C  C  C  C  S  S                    S  S  C
Tstms                   S  C  L  L  C  C  C  C  S  S                    S  S  C


Date          Sat 08/19/17  Sun 08/20/17  Mon 08/21/17  Tue 08/22/17
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          58    80      60    84      65    82      62    79
Temp          62 58 77 76   63 63 82 80   69 67 81 77   67 63 77 76
Dewpt         61 58 63 63   60 60 66 67   65 65 69 68   65 63 64 64
PWind dir         W    NW       S     S       S     S      NW     N
Wind char        LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    B1 SC SC FW   FW FW SC SC   SC B1 B1 B1   B1 B1 SC SC
PoP 12hr         40     5       0    20      30    40      40    10
Rain shwrs     C                      S    C  C  C  C    C  C
Tstms          C                      S    C  C  C  C    C  C

$$
IAZ049-162200-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
807 AM CDT Wed Aug 16 2017

Date             Wed 08/16/17            Thu 08/17/17            Fri 08/18/17
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          65          78          57          82
Temp                73 82 80 77 71 68 66 65 69 77 78 76 67 63 59 58 73 79 82 77
Dewpt               70 70 72 72 70 68 66 65 66 66 65 63 62 60 57 57 61 60 61 63
RH                  90 67 77 85 97100100100 90 69 64 64 84 90 93 96 66 52 49 62
Wind dir            SE SE SE  S SE SW SW  W  W  W NW NW NW  W  W  W  W  W  W SW
Wind spd            10 12 11  9  8 10  8  8 11 13 13 12  8  5  6  5  6  5  6  4
Wind gust                                         25
Clouds              B2 OV OV OV OV B2 B2 B2 B2 B1 B1 SC FW FW FW FW FW SC SC B1
PoP 12hr                     60          70          20           5          10
QPF 12hr                   0.38        0.38           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  C  C  L  L  C  S  S  S                                C
Tstms                S  C  C  L  L  C  S  S  S                                C


Date          Sat 08/19/17  Sun 08/20/17  Mon 08/21/17  Tue 08/22/17
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          59    81      61    85      66    84      65    81
Temp          63 59 78 78   65 63 83 81   70 68 82 80   70 66 80 77
Dewpt         61 59 63 63   60 60 65 66   64 65 69 69   68 65 67 65
PWind dir        SW    NW       E     S       S     S      SW     N
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC SC FW   FW FW FW SC   SC B1 B1 B1   B1 B2 B1 SC
PoP 12hr         40     5       0     5      20    20      50    30
Rain shwrs     C                           S  S  S  S    C  C     C
Tstms          C                           S  S  S  S    C  C     C

$$
IAZ086-162200-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
807 AM CDT Wed Aug 16 2017

Date             Wed 08/16/17            Thu 08/17/17            Fri 08/18/17
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          67          82          59          85
Temp                78 83 85 81 74 71 70 67 73 80 82 79 71 66 62 60 76 82 85 81
Dewpt               72 71 73 73 71 69 68 67 68 67 65 64 63 61 58 57 61 59 58 61
RH                  82 67 67 77 90 93 93100 84 65 56 60 76 84 87 90 60 46 40 51
Wind dir            SE  S  S  S  S SW SW  W  W  W  W NW  W  W  W  W NW  W  W SW
Wind spd             9 11 11  9 10  9  9  6 10 13 14 11  6  6  6  5  6  6  6  5
Clouds              B2 B2 B2 OV OV B2 B2 B2 B2 B1 SC SC FW FW CL FW FW SC SC B1
PoP 12hr                     60          70          20           5          10
QPF 12hr                   0.31        0.37           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  C  L  L  L  C  C  S  S                                C
Tstms                S  C  L  L  L  C  C  S  S                                C
Heat index             88 91
Max heat               90    92                82    85                83    85


Date          Sat 08/19/17  Sun 08/20/17  Mon 08/21/17  Tue 08/22/17
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    84      63    89      67    88      68    86
Temp          67 62 81 81   67 65 87 84   72 69 86 84   74 69 85 81
Dewpt         62 61 64 63   62 61 64 65   64 65 68 69   68 67 70 66
PWind dir        SW    NW       E     S       S     S      SW    NW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC SC FW   FW FW FW SC   SC SC B1 B1   B1 B2 B1 B1
PoP 12hr         40     5       0     5      20    20      50    30
Rain shwrs     C  S                           S     S    C  C  S  C
Tstms          C  S                           S     S    C  C  S  C

$$



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