Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
1100 PM CDT Wed Oct 1 2025

IAZ060-020900-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
1100 PM CDT Wed Oct 1 2025

Date           10/01/25      Thu 10/02/25            Fri 10/03/25            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                      60          88          65          90          68
Temp                   67 63 60 74 86 88 82 74 70 67 65 77 87 90 84 76 73 70 68
Dewpt                  56 55 53 58 59 58 57 59 59 59 58 61 62 60 60 60 59 59 59
RH                     68 75 78 57 40 36 43 59 68 75 78 58 43 37 44 58 62 68 73
Wind dir               SE SE SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                4  3  3  5  9  9  5  5  4  4  4  6 10 10  9  8  8  9 10
Clouds                 SC FW FW FW FW FW FW FW FW FW FW FW FW FW CL CL CL CL CL
PoP 12hr                      0           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           10/04  Sun 10/05/25  Mon 10/06/25  Tue 10/07/25  Wed 10/08/25
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      66    86      56    70      53    71      47    70
Temp          85 83   72 66 83 81   65 56 69 68   59 54 68 65   54 47 67 64
Dewpt         59 53   50 52 56 54   54 51 53 51   51 50 51 49   46 41 43 43
PWind dir         S       S     S      NW    NE      NE     N       N     E
Wind char        BZ      GN    BZ      GN    GN      LT    LT      LT    GN
Avg clouds    CL FW   FW FW SC SC   SC B1 SC B1   SC SC SC SC   SC FW FW FW
PoP 12hr          0       0    10      30    20      30    30      10    10
Rain shwrs                           S  C  S       S  C  C
Tstms                                S

$$
IAZ039-020900-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
1100 PM CDT Wed Oct 1 2025

Date           10/01/25      Thu 10/02/25            Fri 10/03/25            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                      58          87          63          90          65
Temp                   62 60 58 71 84 87 81 71 67 65 63 76 87 89 82 73 70 68 65
Dewpt                  51 50 49 55 57 55 56 56 57 57 57 60 60 59 59 60 59 59 57
RH                     67 69 72 57 40 34 42 59 70 75 81 58 40 37 46 64 68 73 75
Wind dir               SE SE SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                5  5  5  6  9 10  5  5  5  4  4  5 10 10  8  8  8  9 10
Clouds                 SC SC SC CL CL FW FW FW FW FW FW FW FW FW FW FW FW CL CL
PoP 12hr                      0           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           10/04  Sun 10/05/25  Mon 10/06/25  Tue 10/07/25  Wed 10/08/25
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      65    85      53    70      50    69      43    68
Temp          85 82   70 65 82 79   63 54 68 66   56 51 66 63   51 43 65 62
Dewpt         58 53   52 51 55 53   52 49 50 48   48 47 47 46   43 39 40 40
PWind dir         S       S     S       W    NW       N    NW       N     E
Wind char        BZ      GN    BZ      GN    GN      LT    LT      LT    GN
Avg clouds    FW FW   FW FW FW SC   SC SC SC SC   B1 B1 B1 SC   FW FW FW FW
PoP 12hr          0       0    10      30    30      30    20      10    10
Rain shwrs                           S  C  C  S    S  C  S  S

$$
IAZ048-020900-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
1100 PM CDT Wed Oct 1 2025

Date           10/01/25      Thu 10/02/25            Fri 10/03/25            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          88          63          91          67
Temp                   64 61 59 73 85 87 81 72 68 65 63 77 87 90 84 74 72 69 67
Dewpt                  53 53 52 59 59 58 58 59 59 59 58 63 62 61 60 60 60 59 58
RH                     67 75 78 62 41 38 46 64 73 81 84 62 43 38 44 62 66 70 73
Wind dir               SE SE SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                5  3  3  5  9  9  5  4  3  3  3  5 10 10  8  8  6  8  9
Clouds                 SC SC SC FW CL FW FW FW FW FW FW FW FW FW CL CL CL CL FW
PoP 12hr                      0           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           10/04  Sun 10/05/25  Mon 10/06/25  Tue 10/07/25  Wed 10/08/25
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          89      65    86      53    70      51    71      44    69
Temp          86 83   71 65 83 80   63 54 68 66   57 52 68 65   52 44 66 63
Dewpt         60 53   52 52 56 54   52 50 52 49   50 48 50 48   43 40 42 42
PWind dir         S       S    SW      NW    NE      NE     N       N     E
Wind char        BZ      GN    BZ      GN    LT      LT    LT      LT    GN
Avg clouds    FW FW   FW FW SC SC   SC B1 SC SC   SC B1 B1 SC   SC FW FW FW
PoP 12hr          0       0    10      30    30      30    20      20    10
Rain shwrs                           S  C  C  S    S  C  S       S  S

$$
IAZ004-020900-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
1100 PM CDT Wed Oct 1 2025

Date           10/01/25      Thu 10/02/25            Fri 10/03/25            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                      60          87          61          90          67
Temp                   65 62 60 72 84 87 81 70 66 63 61 75 87 90 84 74 71 69 67
Dewpt                  55 55 54 58 57 57 57 57 57 57 56 60 59 57 57 57 57 57 57
RH                     70 78 81 61 40 36 44 63 73 81 84 60 39 33 40 55 61 66 70
Wind dir                S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                8  8  8 11 14 13  8  6  6  5  5  9 12 13 11 12 13 14 16
Wind gust              18
Clouds                 B1 FW FW FW CL FW FW FW CL CL FW CL FW CL CL FW FW FW FW
PoP 12hr                     10           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           10/04  Sun 10/05/25  Mon 10/06/25  Tue 10/07/25  Wed 10/08/25
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      65    82      46    67      46    69      41    68
Temp          86 84   70 65 79 72   54 47 64 63   52 47 64 62   47 41 63 62
Dewpt         58 54   50 50 52 48   45 43 43 42   42 42 41 37   35 35 37 38
PWind dir         S       S    SW      NW     E      NW    NW       N    SE
Wind char        WY      BZ    BZ      GN    GN      LT    GN      LT    GN
Avg clouds    FW FW   FW SC FW FW   FW FW SC SC   SC B1 SC FW   FW FW FW FW
PoP 12hr          0       5    10      20    20      20    20      10    20
Rain shwrs                              S  S  S    S  S  S             S

$$
IAZ035-020900-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
1100 PM CDT Wed Oct 1 2025

Date           10/01/25      Thu 10/02/25            Fri 10/03/25            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                      60          88          63          91          67
Temp                   66 62 60 73 85 88 82 72 68 65 63 76 88 91 84 74 72 69 67
Dewpt                  55 56 53 59 57 57 57 58 58 58 58 61 60 57 58 58 58 59 58
RH                     68 81 78 62 39 35 43 61 70 78 84 60 39 32 41 57 61 70 73
Wind dir               SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                6  5  5  8 11 11  6  5  5  5  5  6 11 13 10 10 10 11 12
Clouds                 SC FW FW FW FW FW FW FW FW FW FW CL FW FW FW CL FW FW FW
PoP 12hr                      5           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           10/04  Sun 10/05/25  Mon 10/06/25  Tue 10/07/25  Wed 10/08/25
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      65    85      51    69      49    71      43    69
Temp          87 84   70 65 82 78   59 52 66 66   55 50 67 64   49 43 66 63
Dewpt         58 53   51 51 54 51   50 47 48 44   46 46 46 43   41 39 40 40
PWind dir         S       S    SW      NW    NE       N     N       N     E
Wind char        BZ      BZ    BZ      GN    GN      LT    LT      LT    GN
Avg clouds    FW FW   FW FW SC SC   SC SC SC SC   SC B1 SC SC   FW FW FW FW
PoP 12hr          0       5    10      30    30      30    20      20    10
Rain shwrs                           S  C  C  S    S  C  S          S

$$
IAZ094-020900-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
1100 PM CDT Wed Oct 1 2025

Date           10/01/25      Thu 10/02/25            Fri 10/03/25            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                      60          86          64          88          65
Temp                   66 63 60 74 84 86 80 72 69 66 64 76 85 88 82 74 72 67 65
Dewpt                  58 58 55 60 59 57 58 59 59 59 59 63 62 60 61 61 60 59 59
RH                     75 84 84 62 43 37 47 64 70 78 84 64 46 39 49 64 66 75 81
Wind dir                S SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                4  3  3  4  6  6  3  3  4  4  4  5  9  9  5  5  6  8  9
Clouds                 FW FW FW FW FW FW FW CL FW FW FW FW CL CL CL CL CL CL CL
PoP 12hr                      0           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           10/04  Sun 10/05/25  Mon 10/06/25  Tue 10/07/25  Wed 10/08/25
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      63    84      56    71      54    71      48    69
Temp          83 79   69 64 81 78   65 57 69 68   60 55 68 65   55 49 66 63
Dewpt         58 53   51 52 56 56   57 54 54 54   54 52 52 51   49 44 45 45
PWind dir         S       S     S      NW    NE      NE     N       N     E
Wind char        BZ      GN    BZ      LT    LT      LT    LT      LT    LT
Avg clouds    CL CL   FW FW FW FW   SC B1 SC SC   SC B1 SC SC   SC SC FW FW
PoP 12hr          0       0     5      30    20      30    30      10    10
Rain shwrs                           S  C  S  S    S  C  C
Tstms                                S  C          S  S

$$
IAZ017-020900-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
1100 PM CDT Wed Oct 1 2025

Date           10/01/25      Thu 10/02/25            Fri 10/03/25            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          85          61          88          66
Temp                   63 60 57 71 83 85 78 70 67 63 62 75 85 88 81 72 70 68 66
Dewpt                  53 52 49 57 59 57 57 56 57 57 56 61 62 59 59 58 58 58 57
RH                     70 75 75 61 44 39 48 61 70 81 81 62 46 38 47 61 66 70 73
Wind dir               SE SE SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                6  5  5  6 10 10  5  5  5  4  4  5  9 10  8  9  9 10 11
Clouds                 SC SC FW FW CL CL FW FW FW FW FW FW FW FW FW CL CL FW FW
PoP 12hr                      5           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           10/04  Sun 10/05/25  Mon 10/06/25  Tue 10/07/25  Wed 10/08/25
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      64    82      49    66      46    66      41    66
Temp          84 81   69 64 79 76   57 50 64 63   54 47 63 60   47 41 63 60
Dewpt         60 54   49 50 55 51   48 46 46 43   44 44 46 42   38 37 39 39
PWind dir         S       S    SW      NW    NE       W    NW       N    SE
Wind char        BZ      BZ    BZ      GN    LT      LT    LT      LT    GN
Avg clouds    FW FW   FW FW FW SC   SC SC SC SC   SC B1 SC SC   FW FW FW FW
PoP 12hr          0       0    10      20    30      30    20      10    20
Rain shwrs                           S  S  C  C    S  C  S             S  S

$$
IAZ049-020900-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
1100 PM CDT Wed Oct 1 2025

Date           10/01/25      Thu 10/02/25            Fri 10/03/25            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                      58          87          63          89          65
Temp                   62 60 58 72 84 87 80 70 67 65 63 76 86 89 82 73 70 67 65
Dewpt                  51 52 50 57 58 57 57 57 57 57 57 61 61 60 60 59 59 58 57
RH                     67 75 75 59 41 36 45 63 70 75 81 60 43 38 47 62 68 73 75
Wind dir               SE SE SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                5  4  4  5  8  8  5  4  4  4  4  5  9 10  6  6  6  8  9
Clouds                 SC SC SC FW CL FW FW FW FW FW FW FW FW FW FW FW CL CL CL
PoP 12hr                      0           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           10/04  Sun 10/05/25  Mon 10/06/25  Tue 10/07/25  Wed 10/08/25
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      63    85      52    70      50    69      43    69
Temp          84 81   69 63 81 79   62 53 68 66   57 51 66 63   51 43 66 62
Dewpt         59 53   50 51 55 54   52 49 51 49   49 47 49 48   43 39 42 42
PWind dir         S       S     S      NW     N       N     N       N     E
Wind char        BZ      GN    BZ      GN    GN      LT    LT      LT    GN
Avg clouds    CL FW   FW FW FW SC   SC SC SC SC   B1 B1 SC SC   SC FW FW FW
PoP 12hr          0       0    10      30    30      30    20      10    10
Rain shwrs                           S  C  C  S    S  C  S  S

$$
IAZ086-020900-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
1100 PM CDT Wed Oct 1 2025

Date           10/01/25      Thu 10/02/25            Fri 10/03/25            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                      60          88          64          90          65
Temp                   63 61 60 75 86 87 81 72 69 66 64 77 87 90 83 74 72 68 66
Dewpt                  53 53 53 59 58 56 58 59 58 58 59 62 61 60 62 60 60 59 59
RH                     70 75 78 58 39 35 46 64 68 75 84 60 42 37 49 62 66 73 78
Wind dir               SE SE SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                5  4  4  4  5  5  3  4  4  4  4  5  6  8  5  5  6  6  8
Clouds                 FW SC SC CL FW FW FW FW FW FW FW FW FW FW FW CL CL CL CL
PoP 12hr                      0           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           10/04  Sun 10/05/25  Mon 10/06/25  Tue 10/07/25  Wed 10/08/25
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      64    86      57    74      54    72      47    70
Temp          85 81   71 64 83 81   67 58 72 70   60 55 69 66   55 48 67 64
Dewpt         57 53   52 52 55 55   57 54 54 53   54 52 52 50   49 44 44 44
PWind dir         S       S     S       W     N      NE     N       N    NE
Wind char        GN      GN    GN      GN    LT      LT    LT      LT    LT
Avg clouds    CL CL   FW FW FW FW   SC SC SC SC   SC SC SC SC   SC FW FW FW
PoP 12hr          0       0     5      30    20      30    30      20    10
Rain shwrs                              C  S       S  C  C  S    S
Tstms                                   S  S          S

$$