Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
601 AM CDT Mon Oct 6 2025

IAZ060-062100-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
601 AM CDT Mon Oct 6 2025

Date             Mon 10/06/25            Tue 10/07/25            Wed 10/08/25
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                      59          48          67          45          69
Temp             56 57 56 56 55 54 53 52 49 55 64 66 62 54 50 47 45 56 66 69 63
Dewpt            54 55 54 53 51 51 51 49 47 46 45 44 44 44 43 42 42 44 44 42 42
RH               93 93 93 90 86 90 93 89 93 72 50 45 52 69 77 83 89 64 45 37 46
Wind dir          N  N  N  N  N  N  N  N  N  N  N  N  N NE  N NW  E  E SE SE  E
Wind spd          9  9 10 10  9  6  6  6  5  6  8  6  3  2  2  2  2  3  6  6  5
Clouds           OV OV OV OV OV OV B2 SC FW CL FW CL CL CL CL CL CL CL CL CL CL
PoP 12hr                     80          50           0           0           0
QPF 12hr                   0.36        0.02           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        L  L  L  L  C  C  S  S
Tstms             S  S     S  S  S


Date          Thu 10/09/25  Fri 10/10/25  Sat 10/11/25  Sun 10/12/25
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          48    71      54    76      54    78      61    83
Temp          51 48 68 67   60 55 72 70   59 54 75 73   64 61 80 78
Dewpt         41 39 46 46   47 49 56 55   54 51 55 54   53 54 58 57
PWind dir        SE    SE       S    SW       E    SE      SE     S
Wind char        LT    GN      LT    LT      LT    GN      GN    GN
Avg clouds    FW FW SC SC   SC B1 SC FW   FW FW FW FW   FW FW FW SC
PoP 12hr          5    10      20     5       5    10       5    10
Rain shwrs                   S  S
Tstms                        S  S

$$
IAZ039-062100-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
601 AM CDT Mon Oct 6 2025

Date             Mon 10/06/25            Tue 10/07/25            Wed 10/08/25
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                      59          45          67          41          68
Temp             55 57 57 57 56 54 51 48 45 56 65 66 61 52 48 43 42 54 65 68 61
Dewpt            52 52 51 51 50 50 48 45 43 45 42 42 43 43 42 40 39 41 41 40 40
RH               90 83 80 80 80 86 89 89 93 66 43 42 51 71 80 89 89 61 41 36 46
Wind dir          N  N  N  N  N  N  N  N  N  N  N  N NW NW NW NW NE  E SE SE SE
Wind spd          9  9 10 10  9  6  5  5  5  6  8  8  3  2  2  2  2  3  6  6  5
Clouds           OV B2 OV B2 B2 B2 B1 FW FW CL FW CL CL CL CL CL CL CL CL CL CL
PoP 12hr                     70          40           0           0           0
QPF 12hr                   0.32        0.02           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  L  L  C  S


Date          Thu 10/09/25  Fri 10/10/25  Sat 10/11/25  Sun 10/12/25
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          43    69      50    72      50    76      56    80
Temp          47 43 66 63   55 51 69 66   55 50 73 70   60 56 77 75
Dewpt         38 39 43 43   45 45 52 52   49 47 52 50   50 50 56 55
PWind dir        SE     S       S     S      SE    SE      SE     S
Wind char        LT    GN      GN    LT      LT    GN      GN    GN
Avg clouds    CL FW FW SC   SC B1 SC FW   FW FW FW FW   SC SC SC SC
PoP 12hr          0    10      30     5       5    10      10    20
Rain shwrs                   C  S                              S  S

$$
IAZ048-062100-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
601 AM CDT Mon Oct 6 2025

Date             Mon 10/06/25            Tue 10/07/25            Wed 10/08/25
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                      58          46          67          43          69
Temp             54 56 56 55 55 52 51 48 46 56 65 67 61 52 49 45 43 56 66 69 63
Dewpt            51 53 52 52 50 50 49 46 44 46 45 44 44 44 43 42 40 45 45 44 43
RH               90 90 86 90 83 93 93 93 93 69 48 43 53 74 80 89 89 66 47 40 48
Wind dir          N  N  N  N  N  N  N  N  N  N  N  N  N  E  S NW  E SE SE SE SE
Wind spd          9 10 10  9  8  6  5  5  4  5  6  5  2  2  2  2  2  3  6  6  5
Clouds           OV OV OV OV OV B2 B1 FW FW CL CL CL CL CL CL CL CL CL CL CL CL
PoP 12hr                     70          30           0           0           0
QPF 12hr                   0.36        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        L  L  L  L  C  S
Tstms             S


Date          Thu 10/09/25  Fri 10/10/25  Sat 10/11/25  Sun 10/12/25
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          45    70      52    75      52    78      59    82
Temp          49 46 67 66   57 52 72 69   56 52 74 72   62 59 79 77
Dewpt         41 39 46 48   49 49 56 55   54 50 55 54   53 54 58 57
PWind dir        SE    SE       S    SW       E    SE      SE     S
Wind char        LT    GN      LT    LT      LT    GN      GN    GN
Avg clouds    CL FW SC SC   SC B1 SC FW   FW FW FW FW   FW FW FW SC
PoP 12hr          5    10      30     5       5    10      10    10
Rain shwrs                   C  C
Tstms                        S  S

$$
IAZ004-062100-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
601 AM CDT Mon Oct 6 2025

Date             Mon 10/06/25            Tue 10/07/25            Wed 10/08/25
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                      58          41          68          40          70
Temp             45 51 55 57 55 48 44 42 41 56 66 68 62 51 47 43 41 55 67 70 63
Dewpt            42 43 43 42 41 40 39 36 35 41 39 39 38 37 36 36 36 39 40 40 40
RH               89 74 64 57 59 74 82 79 79 57 37 34 41 59 65 76 82 55 37 33 43
Wind dir          N  N NE  N  N NW NW  W  W  W NW NW NW SE  S  S  S  S  S  S  S
Wind spd          9 11 10  9  4  3  5  5  4  5  6  6  4  3  3  3  4  6 11 12 10
Clouds           B1 B1 B2 B2 SC FW FW CL CL CL FW FW FW FW CL CL CL CL CL CL CL
PoP 12hr                     20           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S


Date          Thu 10/09/25  Fri 10/10/25  Sat 10/11/25  Sun 10/12/25
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          48    71      50    75      49    78      58    81
Temp          50 49 67 66   55 50 72 68   52 50 74 72   61 59 78 74
Dewpt         40 37 43 47   49 48 52 48   47 47 52 51   51 52 55 53
PWind dir         S     S       S     N      SE     S       S     S
Wind char        GN    BZ      GN    GN      LT    GN      GN    BZ
Avg clouds    FW SC SC SC   SC SC FW FW   FW FW FW SC   SC SC SC SC
PoP 12hr          5    20      10     5       5    10      10    20
Rain shwrs              S                                      S  S

$$
IAZ035-062100-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
601 AM CDT Mon Oct 6 2025

Date             Mon 10/06/25            Tue 10/07/25            Wed 10/08/25
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                      58          42          70          41          70
Temp             51 54 56 56 54 49 47 44 42 56 67 69 63 52 48 44 42 56 67 70 64
Dewpt            46 47 47 47 46 45 43 42 40 44 42 40 40 40 40 40 39 42 42 41 41
RH               83 77 72 72 74 86 86 93 93 64 40 35 43 63 74 86 89 59 40 35 43
Wind dir          N  N  N  N  N  N  N NW  N  N  N NW  E  S  S  S  S  S  S  S SE
Wind spd         10 11  9  9  6  4  4  4  3  4  5  5  2  2  2  2  2  4  8 10  8
Clouds           B2 B2 B2 OV B1 SC SC FW FW CL CL FW FW FW CL CL CL CL CL CL CL
PoP 12hr                     60          10           0           0           0
QPF 12hr                   0.16           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  C  C  C


Date          Thu 10/09/25  Fri 10/10/25  Sat 10/11/25  Sun 10/12/25
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          47    71      51    76      50    79      59    83
Temp          49 47 67 67   57 51 73 70   55 50 75 73   62 59 79 77
Dewpt         40 39 44 46   48 48 54 51   51 50 53 52   52 53 56 55
PWind dir        SE     S       S    NW      SE    SE      SE     S
Wind char        GN    GN      GN    LT      LT    GN      GN    BZ
Avg clouds    FW FW SC SC   SC SC FW FW   FW FW FW FW   FW SC SC SC
PoP 12hr          5    10      20     5       5    10      10    20
Rain shwrs                   S  S                              S
Tstms                        S  S

$$
IAZ094-062100-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
601 AM CDT Mon Oct 6 2025

Date             Mon 10/06/25            Tue 10/07/25            Wed 10/08/25
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                      66          50          65          44          68
Temp             63 64 64 62 56 54 54 53 50 55 62 65 59 52 50 46 45 57 66 68 62
Dewpt            62 61 60 57 55 54 53 52 49 48 44 44 45 44 43 42 41 45 43 42 43
RH               97 90 87 84 96100 96 96 96 77 52 46 60 74 77 86 86 64 43 39 50
Wind dir         NE NE  N  N  N  N  N  N  N  N  N  N  N NE NE NE NE  E SE SE  E
Wind spd          5  5  8  9 10  9  8  9  9  9  9  8  3  2  2  2  2  4  6  6  4
Clouds           OV OV OV B2 B2 B2 OV B2 B1 SC FW FW CL CL CL FW CL CL CL CL CL
PoP 12hr                     80          80           5           0           0
QPF 12hr                   0.26        0.30           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        D  L  C  L  C  L  L  C
Tstms             S  S     S  C  C  C  S


Date          Thu 10/09/25  Fri 10/10/25  Sat 10/11/25  Sun 10/12/25
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          48    70      53    76      54    78      60    83
Temp          52 48 67 66   58 54 72 70   59 54 75 72   64 60 80 77
Dewpt         40 39 45 46   47 49 57 57   55 53 55 55   55 55 58 57
PWind dir        SE    SE       S     S       E    SE      SE     S
Wind char        LT    GN      LT    LT      LT    LT      GN    GN
Avg clouds    FW FW SC SC   SC B1 SC FW   FW SC FW FW   FW FW FW FW
PoP 12hr          0    10      20     5       5    10       5    10
Rain shwrs                      S
Tstms                           S

$$
IAZ017-062100-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
601 AM CDT Mon Oct 6 2025

Date             Mon 10/06/25            Tue 10/07/25            Wed 10/08/25
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                      59          41          67          40          68
Temp             49 53 57 57 55 49 47 43 41 56 65 66 61 51 46 42 41 54 65 67 61
Dewpt            45 47 47 46 45 44 42 40 37 43 41 40 41 39 37 37 36 41 42 40 41
RH               86 80 69 67 69 83 83 89 85 62 41 38 48 63 71 82 82 61 43 37 48
Wind dir          N  N  N  N  N  N NW NW NW NW NW NW NW SW  W SW SE SE  S  S SE
Wind spd          8  9  8  6  6  4  4  4  2  4  5  5  2  2  2  2  2  4  6  6  5
Clouds           B2 B2 B2 OV B2 SC SC FW CL CL CL CL FW CL CL CL CL CL CL CL CL
PoP 12hr                     40          10           0           0           0
QPF 12hr                   0.05           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  C  C  C


Date          Thu 10/09/25  Fri 10/10/25  Sat 10/11/25  Sun 10/12/25
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          43    68      50    72      48    75      56    79
Temp          47 44 64 63   55 50 69 66   52 49 72 69   60 56 76 74
Dewpt         38 36 44 44   46 46 53 51   49 47 53 52   49 50 56 55
PWind dir        SE     S       S    SW      SE    SE      SE     S
Wind char        LT    GN      GN    LT      LT    GN      GN    BZ
Avg clouds    FW FW SC SC   SC B1 SC FW   FW FW FW FW   SC SC SC SC
PoP 12hr          5    10      20     5       5    10      10    20
Rain shwrs                   S                                 S  S
Tstms                        S

$$
IAZ049-062100-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
601 AM CDT Mon Oct 6 2025

Date             Mon 10/06/25            Tue 10/07/25            Wed 10/08/25
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                      59          45          67          41          68
Temp             54 56 56 56 55 53 51 48 45 56 65 66 61 51 48 43 41 55 65 68 61
Dewpt            52 54 53 52 51 50 48 45 44 46 43 42 44 43 42 40 39 42 42 41 41
RH               93 93 90 86 86 89 89 89 96 69 45 42 53 74 80 89 92 61 43 37 48
Wind dir         NE  N  N  N  N  N  N  N  N  N  N  N  N  N NW NW NE  E SE SE SE
Wind spd          9  9 10 10  9  6  6  6  5  5  6  5  2  2  2  2  2  3  5  5  4
Clouds           B2 OV OV OV OV B2 B2 SC FW FW CL CL CL CL CL CL CL CL CL CL CL
PoP 12hr                     80          40           0           0           0
QPF 12hr                   0.28        0.02           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  L  D  L  C  C
Tstms             S


Date          Thu 10/09/25  Fri 10/10/25  Sat 10/11/25  Sun 10/12/25
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          43    69      51    73      50    77      56    81
Temp          47 43 66 64   55 51 70 67   55 50 74 71   61 57 78 75
Dewpt         38 37 44 45   46 45 54 54   51 48 53 52   50 51 57 56
PWind dir        SE    SE       S     S      SE    SE      SE     S
Wind char        LT    GN      LT    LT      LT    GN      GN    GN
Avg clouds    CL FW FW SC   SC B1 SC FW   FW FW FW FW   FW FW FW SC
PoP 12hr          0    10      20     5       5    10      10    10
Rain shwrs                   S  S

$$
IAZ086-062100-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
601 AM CDT Mon Oct 6 2025

Date             Mon 10/06/25            Tue 10/07/25            Wed 10/08/25
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                      70          52          68          43          70
Temp             62 66 69 66 60 56 55 55 53 58 65 67 61 52 49 46 43 57 67 70 63
Dewpt            58 61 61 59 57 55 54 53 50 48 43 41 42 43 43 42 41 43 41 40 40
RH               87 84 76 78 90 96 96 93 89 69 45 39 49 71 80 86 93 59 39 33 43
Wind dir          N  N  N  N  N  N  N  N  N  N  N  N  N  N NE NE NE  E  E  E  E
Wind spd          5  5  6  9  9  9  9  9  8  9  9  9  4  3  2  2  2  4  5  6  4
Clouds           B2 B2 B2 B2 B2 B2 B2 B2 B1 SC SC FW CL CL CL CL CL CL CL CL CL
PoP 12hr                     50          70           5           0           0
QPF 12hr                   0.10        0.15           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  C  C  C  C  C  L  C
Tstms                   S  S  S  C  S


Date          Thu 10/09/25  Fri 10/10/25  Sat 10/11/25  Sun 10/12/25
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          45    71      52    76      52    78      58    83
Temp          49 45 68 65   57 53 72 70   58 53 75 72   62 59 80 78
Dewpt         39 39 42 43   42 45 52 54   52 49 52 52   52 52 56 56
PWind dir        SE    SE      SE     S      SE    SE      SE     S
Wind char        LT    GN      LT    LT      LT    LT      GN    GN
Avg clouds    CL FW FW FW   SC B1 SC FW   FW FW FW FW   FW FW FW FW
PoP 12hr          0     5      30    10       5     5      10    10
Rain shwrs                   S  C

$$