Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
607 PM CDT Wed Oct 8 2025

IAZ060-090900-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
607 PM CDT Wed Oct 8 2025

Date           10/08/25      Thu 10/09/25            Fri 10/10/25            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                      45          73          57          78          47
Temp             62 55 51 47 45 56 69 73 67 61 62 59 58 65 74 78 72 62 56 51 48
Dewpt            42 42 38 36 36 41 45 46 46 47 47 49 51 56 58 57 55 50 46 44 42
RH               48 61 61 65 70 57 42 38 47 60 58 69 77 73 57 48 55 65 69 77 80
Wind dir          E  E SE SE SE SE  S  S  S  S  S  S  S SW  W NW  N  N NE NE  E
Wind spd          5  5  5  6  6 10 12 12 10  9  8  9  8  9  8  9  5  5  5  5  5
Clouds           CL CL CL CL FW SC FW FW FW B1 B2 B1 SC SC FW FW FW FW FW SC SC
PoP 12hr                      0           0          20           5           5
QPF 12hr                      0           0        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S
Tstms                                           S


Date           10/11  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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          70      56    78      60    76      57    76      59    78
Temp          67 67   60 58 74 75   68 60 73 72   62 58 73 72   64 60 75 73
Dewpt         46 47   48 49 56 55   56 54 57 55   55 54 57 57   57 56 57 54
PWind dir         E      SE    SE       S     N      NE     E      SE     S
Wind char        GN      GN    BZ      GN    GN      LT    LT      LT    GN
Avg clouds    SC SC   B1 B1 SC SC   B1 SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr          5       5    10      20    20      20    20      20    20
Rain shwrs                              S  S          S  S       S  S  S
Tstms                                   S

$$
IAZ039-090900-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
607 PM CDT Wed Oct 8 2025

Date           10/08/25      Thu 10/09/25            Fri 10/10/25            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                      39          69          54          77          42
Temp             57 50 45 41 39 52 66 69 64 57 58 56 56 62 73 76 67 56 50 45 43
Dewpt            33 32 31 33 35 41 42 41 40 41 42 44 47 52 55 52 47 43 41 40 40
RH               40 50 58 73 85 66 42 36 41 55 55 64 72 70 53 43 49 62 71 82 89
Wind dir          E  E  E SE SE SE  S  S SE  S  S  S  S SW  W NW NW  N  N  N NE
Wind spd          6  6  5  5  6 10 13 13 11 10 10 10 10 10 10 10  8  6  5  5  5
Clouds           CL CL CL CL CL CL FW FW FW SC B2 B2 B2 B1 SC FW FW FW FW FW FW
PoP 12hr                      0           0          30           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C


Date           10/11  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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          69      50    73      56    76      54    73      56    78
Temp          66 63   54 52 70 69   63 57 73 70   59 55 70 69   60 57 74 71
Dewpt         45 45   46 46 50 52   53 54 56 55   53 51 54 55   55 53 55 52
PWind dir         E      SE    SE      SE    NE      NE     E      SE     S
Wind char        GN      GN    BZ      GN    GN      LT    LT      LT    GN
Avg clouds    FW SC   SC B1 B1 B1   B1 B1 SC SC   SC SC SC B1   B1 B1 SC SC
PoP 12hr          5       5    10      20    20      20    20      20    20
Rain shwrs                      S    S  S  S  S       S  S          S  S
Tstms                                   S

$$
IAZ048-090900-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
607 PM CDT Wed Oct 8 2025

Date           10/08/25      Thu 10/09/25            Fri 10/10/25            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                      43          72          55          78          45
Temp             61 54 49 45 43 55 68 72 66 59 60 58 56 64 75 77 70 58 53 48 45
Dewpt            42 40 37 34 35 42 45 47 47 48 47 49 51 57 58 57 52 47 44 41 41
RH               49 59 63 65 73 61 43 41 50 67 62 72 83 78 55 50 53 67 71 77 86
Wind dir         SE SE SE SE SE SE  S  S  S  S  S  S  S SW NW NW  N  N NE NE  E
Wind spd          5  6  6  5  6 10 12 13 10  9  8  8  5  8  8  9  5  5  4  4  4
Clouds           CL CL CL CL FW SC FW FW FW B1 B2 B2 SC SC FW FW FW FW FW SC SC
PoP 12hr                      0           0          30           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C
Tstms                                           S


Date           10/11  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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          70      54    76      57    76      55    76      57    78
Temp          66 64   57 55 72 73   65 57 73 70   60 56 72 70   61 57 74 72
Dewpt         46 48   48 48 55 56   56 54 56 55   54 53 57 58   57 54 57 55
PWind dir         E      SE    SE      SE     N      NE     E      SE     S
Wind char        GN      GN    BZ      GN    GN      LT    LT      LT    GN
Avg clouds    SC SC   B1 B1 SC SC   B1 B1 SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr          5      10    10      20    20      20    20      30    20
Rain shwrs                              S  S       S  S  S          C  S
Tstms                                   S                S

$$
IAZ004-090900-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
607 PM CDT Wed Oct 8 2025

Date           10/08/25      Thu 10/09/25            Fri 10/10/25            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                      46          72          54          73          41
Temp             59 52 48 46 46 56 67 72 67 61 59 56 56 63 71 72 63 51 46 43 41
Dewpt            39 40 38 36 34 38 42 45 47 49 51 54 53 54 48 41 38 37 36 36 36
RH               47 63 68 68 63 51 40 38 49 65 75 93 90 72 44 33 39 59 68 76 82
Wind dir         SE SE SE  S  S  S  S  S  S  S  S SW  W NW  N  N  N  N NE NE  E
Wind spd          8  9  9 11 13 17 19 20 16 13 11 10  9 10 11 11  8  5  5  5  5
Wind gust                       27 31 32 26
Clouds           CL CL CL SC SC SC SC SC B1 B1 SC SC FW FW CL CL FW FW FW SC SC
PoP 12hr                      0           0           5           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           10/11  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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          68      53    74      51    70      48    70      53    74
Temp          65 63   55 54 70 70   60 52 67 64   53 49 66 65   56 54 70 68
Dewpt         42 42   45 47 53 53   50 46 47 45   47 46 52 53   50 50 54 50
PWind dir        SE      SE    SE       W     N      NE     E      SE     S
Wind char        GN      BZ    BZ      GN    GN      LT    GN      GN    GN
Avg clouds    SC SC   B1 B2 B1 SC   SC SC SC SC   SC SC SC B1   B1 B1 B1 SC
PoP 12hr         10      20    20      20    20      10    20      20    20
Rain shwrs                S  S  S       S  S  S          S  S       S  S

$$
IAZ035-090900-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
607 PM CDT Wed Oct 8 2025

Date           10/08/25      Thu 10/09/25            Fri 10/10/25            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                      45          72          55          77          43
Temp             61 54 49 45 45 55 69 72 67 61 60 57 56 65 75 77 68 56 50 45 43
Dewpt            42 41 38 36 34 39 43 45 47 48 49 51 53 58 55 49 43 41 39 38 38
RH               49 61 66 70 65 55 39 38 49 62 67 80 90 78 50 37 40 57 66 76 82
Wind dir         SE SE SE SE SE  S  S  S  S  S  S  S SW  W NW  N  N  N NE NE  E
Wind spd          6  8  8  9 10 12 14 17 13 11 10  9  6  9  9 10  6  5  4  4  5
Clouds           CL CL CL FW SC SC FW SC SC B2 B1 SC SC FW FW CL FW FW SC SC SC
PoP 12hr                      0           0          20           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S
Tstms                                           S


Date           10/11  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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          70      54    76      55    74      53    74      56    78
Temp          66 64   56 55 72 73   63 55 71 68   57 53 71 69   58 56 74 71
Dewpt         44 44   46 47 54 55   54 50 51 49   50 49 55 55   53 53 55 50
PWind dir        SE      SE    SE      SE     N      NE     E      SE     S
Wind char        GN      GN    BZ      GN    GN      LT    LT      LT    GN
Avg clouds    SC SC   B1 B1 B1 SC   B1 SC SC SC   SC SC SC B1   B1 B1 SC SC
PoP 12hr         10      10    20      20    20      20    20      30    20
Rain shwrs                   S       S  S  S  S    S  S  S       S  C  S
Tstms                                S  S

$$
IAZ094-090900-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
607 PM CDT Wed Oct 8 2025

Date           10/08/25      Thu 10/09/25            Fri 10/10/25            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                      46          71          55          77          50
Temp             62 55 51 46 46 56 67 71 65 60 59 58 57 63 73 77 71 62 58 53 50
Dewpt            45 45 42 38 38 43 45 46 47 47 47 48 52 55 58 59 58 56 51 48 45
RH               54 69 71 73 73 62 45 41 52 62 64 69 83 75 59 54 63 81 77 83 83
Wind dir         SE  E  E SE SE SE  S  S  S  S  S  S  S  S SW  W  N NE NE NE  E
Wind spd          4  4  4  5  6  9 10 10  8  6  6  8  8  8  8  6  4  4  4  5  5
Clouds           CL CL CL FW SC SC FW FW FW SC B1 B2 B1 SC FW FW FW SC SC SC B1
PoP 12hr                      0           0          30          10           5
QPF 12hr                      0           0        0.04           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C
Tstms                                           S  S


Date           10/11  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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          71      57    80      60    76      58    76      59    78
Temp          68 67   60 59 76 75   68 60 73 70   62 59 73 70   64 60 75 72
Dewpt         48 52   51 52 56 57   57 56 58 58   57 55 59 59   58 56 58 56
PWind dir         E      SE    SE       S    NE      NE    SE      SE     S
Wind char        LT      GN    BZ      GN    GN      LT    LT      LT    GN
Avg clouds    SC B1   B1 B1 SC SC   SC SC SC SC   SC B1 SC SC   SC SC SC FW
PoP 12hr          5       5    10      20    20      20    20      20    10
Rain shwrs                              S  S  S       S  S          S
Tstms                                   S

$$
IAZ017-090900-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
607 PM CDT Wed Oct 8 2025

Date           10/08/25      Thu 10/09/25            Fri 10/10/25            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                      40          69          53          73          40
Temp             56 49 45 41 40 53 66 69 64 58 58 56 55 63 71 73 63 52 47 43 41
Dewpt            38 36 33 32 31 38 43 43 44 44 46 49 51 56 53 46 42 39 38 38 38
RH               51 61 62 70 70 57 43 39 48 59 64 77 86 78 53 38 46 61 71 82 89
Wind dir          E  E SE SE SE  S  S  S  S  S  S  S SW  W NW NW  N  N  N NE NE
Wind spd          6  8  6  6  8 11 13 14 11 10 10  9  8  9 10 10  5  5  3  3  4
Wind gust                          24 26 23
Clouds           CL CL CL CL FW FW FW FW SC B2 B1 B1 SC FW FW CL FW FW FW FW FW
PoP 12hr                      0           0          20           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S
Tstms                                           S
Wind chill                   34
Min chill              39    32    34                                        36


Date           10/11  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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          68      50    71      53    72      51    71      54    75
Temp          64 62   53 52 67 68   61 54 69 66   56 52 68 65   57 54 72 69
Dewpt         45 45   45 45 51 52   52 51 53 50   50 48 54 54   52 51 55 52
PWind dir         E      SE    SE      SE     N      NE     E      SE     S
Wind char        LT      GN    BZ      GN    GN      LT    LT      LT    GN
Avg clouds    FW SC   B1 B1 B1 SC   B1 B1 SC SC   SC SC SC B1   B1 B1 B1 SC
PoP 12hr         10      10    20      20    20      10    20      20    20
Rain shwrs                   S  S    S  S  S  S          S  S    S  S  S
Tstms                                   S

$$
IAZ049-090900-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
607 PM CDT Wed Oct 8 2025

Date           10/08/25      Thu 10/09/25            Fri 10/10/25            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                      40          71          54          77          43
Temp             59 52 47 42 40 54 67 71 64 57 58 56 56 63 73 76 68 56 51 46 43
Dewpt            37 33 32 31 34 41 43 43 43 42 43 44 47 53 57 55 51 45 43 41 39
RH               44 48 56 65 79 61 42 36 46 57 57 64 72 70 57 48 54 66 74 83 86
Wind dir          E  E  E SE SE SE  S  S  S  S  S  S  S SW  W NW NW  N  N NE NE
Wind spd          5  8  6  5  5 10 12 12  9  9  8  9  8  9  9  9  5  5  4  4  4
Clouds           CL CL CL CL CL FW FW FW FW SC B2 B2 B1 SC FW FW CL FW FW FW FW
PoP 12hr                      0           0          20           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S


Date           10/11  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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          69      51    73      56    76      54    73      57    78
Temp          66 63   55 53 70 70   64 57 73 70   59 55 70 69   60 57 74 71
Dewpt         46 46   46 46 53 55   55 54 56 55   53 51 56 56   56 53 56 53
PWind dir         E      SE    SE      SE    NE      NE     E      SE     S
Wind char        LT      GN    BZ      GN    GN      LT    LT      LT    GN
Avg clouds    FW SC   B1 B1 B1 SC   B1 B1 SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr          5       5    10      20    20      20    20      20    20
Rain shwrs                           S  S  S       S  S  S          S  S
Tstms                                   S

$$
IAZ086-090900-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
607 PM CDT Wed Oct 8 2025

Date           10/08/25      Thu 10/09/25            Fri 10/10/25            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                      41          72          53          77          47
Temp             60 53 48 43 41 55 69 72 65 57 57 56 55 61 71 76 71 61 56 51 48
Dewpt            39 36 33 35 38 43 43 42 43 43 43 44 47 53 55 57 57 54 49 45 44
RH               46 52 56 73 89 64 39 34 45 59 59 64 74 75 57 52 61 78 77 80 86
Wind dir          E  E  E  E SE SE  S  S SE SE  S  S  S  S SW  W  W NW  N  N NE
Wind spd          5  6  5  5  5  9  9  9  6  6  6  8  8  9  8  8  5  5  5  5  5
Clouds           CL CL CL CL CL CL FW FW FW FW SC B1 B1 B1 SC FW FW FW FW FW SC
PoP 12hr                      0           0          30          20           5
QPF 12hr                      0           0        0.02        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C  S  S


Date           10/11  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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          71      53    77      60    78      58    76      59    80
Temp          67 65   57 55 73 74   67 61 75 72   63 59 73 71   64 60 76 74
Dewpt         46 48   48 48 54 56   57 56 59 58   56 55 56 57   58 55 56 55
PWind dir         E      SE    SE      SE    SW      NE     E      SE     S
Wind char        LT      GN    GN      GN    GN      LT    LT      LT    GN
Avg clouds    SC SC   SC B1 SC SC   SC B1 SC SC   SC SC SC SC   SC SC SC FW
PoP 12hr          5       5     5      20    20      20    20      20    10
Rain shwrs                              S  S          S  S          S
Tstms                                   S

$$