Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
432 PM CDT Wed Jul 16 2025

IAZ060-170900-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
432 PM CDT Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            Sat
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      59          74          60          82          70
Temp             79 72 66 62 59 64 69 73 73 67 64 62 63 70 75 80 80 76 73 72 72
Dewpt            69 66 62 58 56 57 59 60 60 61 60 60 61 65 68 71 71 72 70 70 70
RH               72 81 87 87 90 78 70 64 64 81 87 93 93 84 79 74 74 87 90 93 93
Wind dir         NW  N  N  N  N  N  N NE NE  E  E  E  E SE SE SE SE SE SE  S SW
Wind spd          9  9  9  9 10  9  8  6  5  4  4  4  5  8  9  9  6  6  6  5  5
Clouds           SC B1 B1 B2 B2 B1 B2 B1 SC B1 SC B1 B1 B2 B2 B2 B2 B2 B1 B2 B2
PoP 12hr                     10           5          10          20          60
QPF 12hr                      0           0           0           0        0.24
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S  S  S  C  C  L  L  S
Tstms                                                       S  S  S  C  C  C  S


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          87      69    83      70    88      72    93      74    94
Temp          83 83   72 70 78 80   73 71 82 85   77 74 88 90   80 76 89 90
Dewpt         73 73   70 69 72 72   70 69 74 75   73 71 76 77   73 71 76 76
PWind dir        SW      NE     E       E    SE      SE     S       S     S
Wind char        LT      LT    GN      GN    GN      LT    LT      LT    LT
Avg clouds    B1 B1   B1 B2 B2 B2   B1 B2 B1 SC   FW SC FW FW   FW SC FW FW
PoP 12hr         20      40    40      40    10      20    10      20     5
Rain shwrs     S  S    S  C  C  C    C  C          S  S             S
Tstms          S  S    S  C  C  C    C  C          S  S             S

$$
IAZ039-170900-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
432 PM CDT Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            Sat
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      57          73          58          78          68
Temp             75 69 63 59 57 63 68 71 71 64 60 59 60 69 74 76 75 71 70 70 70
Dewpt            68 65 60 56 55 56 58 58 59 59 57 57 59 63 65 66 67 68 68 69 69
RH               79 87 90 90 93 78 70 63 66 84 90 93 96 81 74 71 76 90 93 97 97
Wind dir         NW NW NW NW  N  N  N NE NE  E  E  E SE SE SE SE SE SE  S  S  S
Wind spd         10 10 10 11 11 10 10  8  5  3  3  4  5  9 11 10  8  6  6  5  5
Clouds           B1 B1 B2 B2 B2 B2 B1 SC SC FW SC SC SC SC B1 B1 B2 B2 B2 B2 B2
PoP 12hr                     10           0           5          20          70
QPF 12hr                      0           0           0           0        0.42
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S  C  C  L  L  C
Sprinkles
Tstms                                                          S  S  S  C  C  C


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          82      65    79      67    84      71    90      72    91
Temp          79 78   69 68 76 76   69 69 80 81   74 73 87 87   77 74 88 87
Dewpt         72 70   68 67 69 69   68 67 72 73   72 72 76 76   74 72 77 77
PWind dir        NW      NE     E       E    SE      SE     S       S     S
Wind char        LT      LT    GN      GN    GN      LT    LT      LT    GN
Avg clouds    B2 B1   SC B1 B2 B1   B1 B2 B2 B1   SC SC SC FW   FW SC FW FW
PoP 12hr         30      20    30      40    30      30    10      20    20
Rain shwrs     C  S    S  S  C  C    C  C  C       S  C          S  S     S
Tstms          C  S    S  S          S  S  S       S  C          S  S

$$
IAZ048-170900-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
432 PM CDT Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            Sat
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      57          73          59          80          68
Temp             76 68 64 59 57 63 68 72 72 64 61 60 61 70 74 77 78 73 72 70 70
Dewpt            69 65 60 57 55 56 59 60 60 60 59 59 60 64 68 70 71 72 71 70 70
RH               79 90 87 93 93 78 73 66 66 87 93 96 97 81 82 79 79 97 97100100
Wind dir         NW  N  N  N  N  N NE NE NE  E  E  E  E SE SE SE SE SE SE  S SW
Wind spd         10 10 10  9  9  9  9  6  5  4  3  4  5  9  9  9  8  6  5  5  4
Clouds           B1 B1 B2 B2 B2 B1 B1 B1 SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                      5           5           5          20          60
QPF 12hr                      0           0           0           0        0.33
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S  S  S  C  C  L  L  S
Tstms                                                       S  S  S  C  L  C  S


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          85      67    81      68    86      71    91      73    92
Temp          81 80   70 69 76 78   71 69 80 84   75 73 87 88   78 73 88 89
Dewpt         73 73   70 68 71 72   70 69 74 76   73 72 77 78   74 71 77 77
PWind dir         N      NE     E       E    SE      SE     S       S     S
Wind char        LT      LT    GN      GN    LT      LT    LT      LT    LT
Avg clouds    B1 B1   B1 B2 B2 B1   B1 B2 B1 SC   FW SC FW FW   FW SC FW FW
PoP 12hr         20      40    40      50    20      20    10      20    10
Rain shwrs     S  S    S  C  C  C    C  C  S       S  S          S  S
Tstms          S  S    S  C  C  C    C  C  S       S  S          S  S

$$
IAZ004-170900-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
432 PM CDT Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            Sat
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      52          71          55          76          65
Temp             65 60 56 54 53 61 67 70 70 62 57 57 58 66 72 75 75 69 68 67 66
Dewpt            60 56 54 51 51 53 54 56 56 56 55 53 56 61 64 67 67 68 68 66 66
RH               84 87 93 90 93 75 63 61 61 81 93 86 93 84 76 76 76 97100 97100
Wind dir          N  N  N  N  N NE NE NE  E  E SE SE SE  S  S  S SE  S  S  S  N
Wind spd         14 13 10 10 10  9  9  6  5  5  5  5  8 11 12 11  9  8  6  6  6
Clouds           OV OV B1 B1 SC SC FW FW CL FW SC SC SC B1 B2 B2 B2 B2 OV OV B2
PoP 12hr                      5           0           5          40          60
QPF 12hr                      0           0           0        0.02        0.26
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S  C  C  L  L  L  L
Tstms                                                       S  C  C  C  C  C


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          78      61    79      65    84      68    89      69    88
Temp          75 76   65 63 74 77   69 67 78 82   72 71 85 87   75 71 84 84
Dewpt         68 68   64 63 67 68   67 66 71 73   71 69 74 76   73 69 73 74
PWind dir         N      NE     E      SE    SE      SE     S       S     S
Wind char        GN      LT    GN      GN    GN      LT    LT      GN    GN
Avg clouds    B2 B1   B1 B1 B1 SC   B1 B2 B2 B1   SC SC SC FW   FW SC FW FW
PoP 12hr         10      20    20      30    20      20    10      20    20
Rain shwrs                S  S  S    S  C  S       S  S          S  S  S
Tstms                     S          S  C  S       S  S          S  S  S

$$
IAZ035-170900-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
432 PM CDT Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            Sat
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      54          73          56          78          67
Temp             71 64 59 56 54 62 68 72 71 62 58 58 59 68 73 76 76 72 70 69 69
Dewpt            65 60 56 54 53 55 58 58 59 59 57 57 59 63 67 69 70 70 70 69 69
RH               81 87 90 93 96 78 70 61 66 90 96 96100 84 81 79 82 93100100100
Wind dir          N  N  N  N  N  N NE NE NE  E SE SE SE SE SE  S SE SE  S  S SW
Wind spd         12 11 10  9  9 10  9  6  5  4  3  4  5  9 10 10  8  6  5  5  4
Clouds           B2 B2 B1 B2 B1 SC SC SC SC FW SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                      5           0           5          30          70
QPF 12hr                      0           0           0           0        0.35
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S  C  C  L  L  L  L  S
Tstms                                                       S  C  S  S  L  C  S


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          82      65    79      67    85      69    90      71    90
Temp          78 77   68 66 75 77   70 69 80 82   74 71 86 87   76 73 86 87
Dewpt         72 71   68 66 70 70   69 68 74 75   72 70 77 78   73 71 77 77
PWind dir        NE      NE     E      SE    SE      SE     S       S     S
Wind char        LT      LT    GN      GN    LT      LT    LT      LT    LT
Avg clouds    B2 B1   B1 B2 B2 B1   B1 B2 B1 SC   SC SC SC FW   FW SC FW FW
PoP 12hr         20      30    30      40    20      20    10      20    10
Rain shwrs     S  S    S  C  C  C    C  C  S       S  S          S  S
Tstms          S  S    S  C  S  S    C  C  S       S  S          S  S

$$
IAZ094-170900-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
432 PM CDT Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            Sat
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      61          75          62          84          71
Temp             82 74 68 64 61 65 70 74 74 67 65 64 65 72 78 82 82 76 74 72 72
Dewpt            71 70 67 63 60 60 61 63 63 63 62 62 64 68 71 73 73 72 72 71 71
RH               69 87 97 97 97 84 73 69 69 87 90 93 97 87 79 74 74 87 93 97 97
Wind dir         NW  N  N  N  N  N NE NE NE NE  E  E  E SE SE  S  S SE  S  S  S
Wind spd          6  8  9  9 10  9  6  5  5  5  5  5  5  6  8  8  5  5  6  5  5
Clouds           SC B1 B2 OV B2 B2 B1 B1 SC SC B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1
PoP 12hr                     50          20          10          30          50
QPF 12hr                   0.21           0           0           0        0.12
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  C  C  S                       C  C  C  C  C  C  C  C  C
Tstms                S  C  S                          S  S  C  C  C  C  C  C  S
Heat index                                                    87 87
Max heat         88    84                                        90    86


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          90      70    88      71    91      72    94      74    95
Temp          86 85   75 72 82 84   74 72 87 87   78 74 90 90   80 76 92 91
Dewpt         74 74   72 71 74 74   72 71 74 76   72 71 75 76   73 71 74 73
PWind dir        SW       E    SE       E     S       S     S       S     S
Wind char        LT      LT    LT      GN    GN      LT    LT      LT    GN
Avg clouds    B1 SC   B1 B2 B2 B1   B1 B1 SC FW   SC SC FW FW   FW FW FW FW
PoP 12hr         30      40    40      40    10      20    10      10     5
Rain shwrs     C  S    C  C  C  C    C  C          S  S
Tstms          S  S    S  C  C  C    C  C          S  S

$$
IAZ017-170900-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
432 PM CDT Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            Sat
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      53          71          54          75          65
Temp             68 61 59 56 54 61 67 70 70 61 58 57 58 67 72 75 73 69 69 67 67
Dewpt            64 58 54 52 52 54 55 56 56 57 55 54 56 61 63 66 67 67 67 67 67
RH               87 90 83 86 93 78 65 61 61 87 90 90 93 81 73 74 81 93 93100100
Wind dir         NW  N  N  N  N  N NE NE NE  E  E SE SE SE  S  S SE SE  S  S SW
Wind spd         13 12 10 10 10 10  9  6  5  2  2  3  5  9 11 10  8  6  6  5  5
Clouds           B2 OV B2 B2 B1 B1 SC SC FW FW FW SC SC B1 B1 B2 B2 OV B2 OV B2
PoP 12hr                     10           0           5          30          70
QPF 12hr                      0           0           0        0.01        0.34
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  C  C  L  L  L  L  S
Sprinkles
Tstms                                                          S  S  S  C  C  S


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          80      62    78      65    82      68    88      70    89
Temp          76 76   67 65 74 75   68 67 77 80   72 71 85 85   75 72 85 85
Dewpt         69 68   65 64 67 68   67 66 70 72   71 70 75 76   73 70 74 74
PWind dir         N      NE     E      SE    SE      SE     S       S     S
Wind char        LT      LT    GN      GN    GN      LT    LT      LT    GN
Avg clouds    B2 B1   SC B1 B1 SC   B1 B2 B2 B1   SC SC SC SC   FW SC FW FW
PoP 12hr         20      20    30      40    20      30    10      20    20
Rain shwrs     S          S  S  C    S  C  S       S  C          S  S  S  S
Tstms          S                     S  S  S       S  C          S  S  S  S

$$
IAZ049-170900-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
432 PM CDT Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            Sat
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      57          72          57          78          68
Temp             76 69 64 59 58 63 68 71 71 63 61 59 60 69 73 76 76 71 70 69 70
Dewpt            69 65 60 56 55 56 58 59 60 59 58 57 59 63 66 68 69 69 69 69 69
RH               79 87 87 90 90 78 70 66 68 87 90 93 96 81 79 76 79 93 97100 97
Wind dir         NW NW  N  N  N  N  N NE NE  E  E  E  E SE SE SE SE SE  S  S SW
Wind spd         10 10 10 10 10 10  9  6  5  3  3  4  5  8  9  9  6  5  5  5  5
Clouds           B1 B1 B1 B2 B2 B1 B2 B1 SC SC SC SC SC B1 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                      5           5           5          20          70
QPF 12hr                      0           0           0           0        0.28
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S  C  C  L  L  C
Sprinkles
Tstms                                                       S  S  S  S  L  L  C


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          83      66    79      67    84      70    90      72    91
Temp          80 79   70 68 76 76   69 69 80 81   73 72 86 87   76 73 87 87
Dewpt         72 72   69 68 70 70   69 68 73 74   71 70 76 77   73 71 76 77
PWind dir        NW      NE     E       E    SE      SE     S       S     S
Wind char        LT      LT    GN      GN    GN      LT    LT      LT    GN
Avg clouds    B1 B1   SC B2 B2 B1   B1 B2 B1 B1   SC SC FW FW   FW FW FW FW
PoP 12hr         30      40    40      50    20      20    10      20    10
Rain shwrs     C  S    S  C  C  C    C  C  S       S  S          S  S
Tstms          C  S    S  C  S  S    C  C  S       S  S          S  S

$$
IAZ086-170900-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
432 PM CDT Wed Jul 16 2025

Date           07/16/25      Thu 07/17/25            Fri 07/18/25            Sat
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      62          75          61          82          70
Temp             81 73 69 65 62 65 70 73 73 66 64 63 65 71 76 80 80 74 72 72 72
Dewpt            72 71 67 63 60 60 61 63 64 63 63 62 63 67 69 72 72 73 72 71 72
RH               74 93 93 93 93 84 73 71 73 90 97 97 93 87 79 77 77 97100 97100
Wind dir         NW  N  N NW  N  N  N  N NE NE  E  E  E SE SE SE SE SE SE  S  S
Wind spd          9  6  8  9 10  9  8  6  6  5  5  5  6  8  8  8  6  6  6  6  6
Clouds           SC SC B1 B2 B2 OV B2 B1 B1 SC SC SC B1 B2 B2 B1 B2 B1 B2 B2 B2
PoP 12hr                     20          10          10          20          60
QPF 12hr                   0.01           0           0           0        0.11
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S                          S  S  S  S  C  C  L  L  C
Tstms                   S  S                                S  S  S  C  C  C  C


Date           07/19  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25  Wed 07/23/25
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          88      69    84      70    89      73    93      74    95
Temp          84 82   73 71 80 79   72 71 83 84   77 75 89 89   78 76 91 90
Dewpt         74 76   72 71 74 74   72 71 76 77   74 73 77 78   74 72 77 77
PWind dir        SW      NE     E       E    SE       S     S       S     S
Wind char        LT      LT    LT      GN    GN      LT    LT      LT    GN
Avg clouds    B1 SC   SC B2 B2 B1   B1 B2 B1 SC   SC SC SC FW   FW FW FW FW
PoP 12hr         40      50    50      50    20      20    10      20    10
Rain shwrs     C  C    C  C  C  C    C  C  S       S  S          S  S
Tstms          C  C    C  C  C  C    C  C  S       S  S          S  S

$$