Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
422 PM CDT Thu Oct 9 2025

IAZ060-100900-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
422 PM CDT Thu Oct 9 2025

Date           10/09/25      Fri 10/10/25            Sat 10/11/25            Sun
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          77          45          69          54
Temp             66 63 64 61 60 66 74 76 69 59 53 48 45 55 66 69 64 58 57 56 55
Dewpt            46 46 47 51 55 58 60 55 48 44 42 41 40 42 43 43 44 45 46 46 47
RH               48 54 54 70 84 75 62 48 47 57 66 77 82 61 43 39 48 62 67 69 74
Wind dir         SE  S  S  S SW  W NW NW  N  N NE NE  E  E  E  E  E SE SE SE SE
Wind spd          8  8  9  9  8  9  9  9  6  5  4  4  3  5  6  9  8  9 10 11 13
Clouds           FW SC OV B2 B1 SC FW FW CL FW FW FW FW FW SC SC SC SC B1 B1 B1
PoP 12hr                     30           5           0           0           5
QPF 12hr                   0.04           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S
Tstms                   S  S


Date           10/12  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25
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      58    70      46    65      49    69      52    73
Temp          74 76   69 59 67 64   53 46 62 61   54 50 66 65   57 53 69 68
Dewpt         55 55   57 53 47 43   42 40 42 42   43 43 48 48   49 48 53 51
PWind dir        SE       S     N       N    NE      NE     E      SE     S
Wind char        BZ      GN    GN      LT    LT      LT    LT      LT    GN
Avg clouds    SC SC   SC B1 SC SC   SC SC SC B1   B1 B1 SC SC   SC SC SC SC
PoP 12hr          5      20    20      10    10      10    10      10    10
Rain shwrs                S  S

$$
IAZ039-100900-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
422 PM CDT Thu Oct 9 2025

Date           10/09/25      Fri 10/10/25            Sat 10/11/25            Sun
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                      55          74          41          68          49
Temp             62 58 58 57 56 64 73 73 63 54 48 44 41 54 65 68 62 55 52 51 49
Dewpt            41 41 42 46 50 55 56 46 41 41 39 39 38 42 44 44 45 47 47 47 47
RH               46 53 55 67 80 73 55 38 44 61 71 82 89 64 46 42 54 74 83 86 93
Wind dir         SE  S  S  S  S  W NW NW  N  N  N  N NE  E  E  E  E SE SE SE SE
Wind spd          9  9 11 11 10 10 11 13  9  6  5  4  3  5  6  8  6  9 10 12 13
Clouds           CL SC OV B2 B2 B1 FW CL CL CL CL CL CL CL FW FW FW SC SC B1 B1
PoP 12hr                     30           5           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  C
Tstms                      S


Date           10/12  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25
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          73      56    70      42    65      45    66      47    72
Temp          70 70   63 57 67 63   48 42 61 59   50 46 63 61   51 47 67 66
Dewpt         49 50   52 53 47 42   40 37 40 40   41 41 44 44   44 44 49 48
PWind dir        SE      SE    NW       N     N      NE     E      SE     S
Wind char        BZ      GN    GN      LT    GN      LT    GN      GN    GN
Avg clouds    B1 B1   B1 B1 SC FW   FW FW SC SC   B1 B1 SC SC   SC SC SC SC
PoP 12hr         10      20    20      10    10      10    10      20    20
Rain shwrs             S  S  S                                   S  S  S  S
Tstms                     S                                      S

$$
IAZ048-100900-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
422 PM CDT Thu Oct 9 2025

Date           10/09/25      Fri 10/10/25            Sat 10/11/25            Sun
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          76          43          69          52
Temp             64 62 61 59 58 65 74 76 67 55 49 45 43 55 65 69 63 56 55 54 53
Dewpt            46 47 48 52 54 60 58 51 44 42 41 40 38 43 43 44 44 46 47 46 47
RH               52 58 62 78 86 84 57 42 43 61 74 82 82 64 45 40 50 69 74 74 80
Wind dir         SE  S  S  S  S  W NW  N  N  N NE NE NE  E SE SE SE SE SE SE SE
Wind spd          9  8  8  8  5  8  9 10  6  5  4  3  3  5  6  9  8  9 10 12 13
Clouds           FW B1 OV B2 B2 SC FW CL CL FW FW FW FW SC SC SC SC SC B1 B2 B1
PoP 12hr                     30           5           0           0           5
QPF 12hr                   0.08           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S
Tstms                   S  S


Date           10/12  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25
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          77      55    70      44    65      47    69      50    73
Temp          72 73   65 56 67 63   49 44 61 60   51 47 65 63   54 50 69 67
Dewpt         54 56   56 52 45 42   40 38 42 42   43 42 47 47   47 47 52 50
PWind dir        SE       S     N       N    NE      NE     E      SE     S
Wind char        BZ      GN    GN      LT    LT      LT    LT      LT    GN
Avg clouds    B1 SC   SC B1 SC FW   FW FW SC SC   B1 B1 B1 SC   SC SC SC SC
PoP 12hr         10      20    20      10    10      10    10      20    20
Rain shwrs             S  S  S                                   S  S  S
Tstms                     S                                      S

$$
IAZ004-100900-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
422 PM CDT Thu Oct 9 2025

Date           10/09/25      Fri 10/10/25            Sat 10/11/25            Sun
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          70          40          68          51
Temp             65 64 62 58 55 61 69 69 61 49 45 42 40 53 65 68 62 56 54 53 52
Dewpt            47 50 53 54 52 50 41 37 36 35 34 34 34 38 38 37 39 42 43 45 46
RH               52 60 72 86 90 67 36 31 39 58 65 73 79 57 37 32 43 59 66 74 80
Wind dir          S  S  S SW NW  N  N  N  N  N NE  E SE SE SE SE SE SE SE SE SE
Wind spd         13 13 11 10  9 11 12 12  6  5  3  3  4  8 11 13 11 13 14 18 19
Wind gust                                                           24 25 28 29
Clouds           B1 B2 SC FW CL CL CL CL CL FW FW FW FW FW SC SC B1 B2 B2 B2 B2
PoP 12hr                      5           0           0           0          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              S  S  C


Date           10/12  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25
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          74      46    63      37    59      43    63      47    69
Temp          68 71   61 47 59 56   42 37 55 55   46 43 60 59   51 48 65 60
Dewpt         52 54   50 40 38 36   34 33 36 35   38 38 42 42   43 44 49 45
PWind dir        SE      SW    NW       N    NE       E    SE      SE     S
Wind char        BZ      GN    GN      LT    GN      LT    GN      GN    GN
Avg clouds    B1 SC   B1 B1 FW FW   FW SC SC B1   B1 B1 B1 SC   B1 B1 B1 SC
PoP 12hr         30      20    10       5    10      10    20      20    20
Rain shwrs     C  S    S  S                              S  S       S  S  S

$$
IAZ035-100900-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
422 PM CDT Thu Oct 9 2025

Date           10/09/25      Fri 10/10/25            Sat 10/11/25            Sun
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                      56          74          41          69          53
Temp             66 63 62 59 56 65 72 73 64 54 48 44 41 54 66 69 63 56 55 54 53
Dewpt            47 48 50 54 55 57 51 40 38 38 37 37 36 41 40 40 42 44 44 45 46
RH               50 58 65 83 96 75 48 30 38 54 65 76 82 61 38 35 46 64 66 71 77
Wind dir          S  S  S  S SW NW  N  N  N  N NE  E  E SE SE SE SE SE SE SE SE
Wind spd         11 11 10  9  5  9 10 10  6  5  3  3  3  5  9 11 10 11 12 16 17
Wind gust                                                                    27
Clouds           SC B2 B2 B2 SC FW CL CL CL FW FW FW FW FW SC SC SC B1 B2 B2 B2
PoP 12hr                     20           0           0           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    S


Date           10/12  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25
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          76      51    67      41    63      46    67      49    72
Temp          70 73   63 52 64 61   46 41 60 59   49 46 63 63   52 49 69 65
Dewpt         52 55   54 46 41 37   37 36 39 38   40 40 45 44   45 45 50 47
PWind dir        SE       S     N       N    NE       E    SE      SE     S
Wind char        BZ      GN    GN      LT    LT      LT    GN      GN    GN
Avg clouds    B1 SC   SC B1 SC FW   FW SC SC B1   B1 B1 B1 SC   SC B1 B1 SC
PoP 12hr         20      30    20      10    10      20    20      20    20
Rain shwrs     S       S  C  S                        S  S          S  S
Tstms                     S

$$
IAZ094-100900-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
422 PM CDT Thu Oct 9 2025

Date           10/09/25      Fri 10/10/25            Sat 10/11/25            Sun
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                      56          76          46          70          54
Temp             64 61 60 58 58 64 73 76 69 60 54 49 46 56 67 70 64 58 57 56 55
Dewpt            48 48 48 50 55 58 61 60 56 51 46 43 41 44 46 46 47 47 47 48 49
RH               56 62 64 75 90 81 66 58 63 72 74 80 83 64 47 42 54 67 69 74 80
Wind dir         SE  S  S  S  S SW  W NW  N  N NE NE NE  E  E  E  E SE SE SE SE
Wind spd          6  6  8  8  8  8  6  5  4  5  5  5  5  5  6  6  5  6  8 10 12
Clouds           FW FW B2 B2 B2 B1 SC FW FW CL SC SC SC SC SC SC SC SC B1 B1 B1
PoP 12hr                     40          10           0           0           0
QPF 12hr                   0.10           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 C
Tstms                      C


Date           10/12  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25
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      58    70      47    64      51    71      54    73
Temp          75 76   69 59 67 64   54 48 61 61   54 51 67 66   59 55 70 67
Dewpt         57 57   57 55 50 47   43 41 45 46   45 45 51 51   52 50 54 53
PWind dir        SE       S     N       N    NE      NE    SE      SE     S
Wind char        BZ      GN    GN      LT    LT      LT    LT      LT    GN
Avg clouds    SC SC   SC B1 SC SC   SC SC SC B1   B1 B1 SC FW   SC SC SC SC
PoP 12hr          5      10    20      10    10      10    10      10    10
Rain shwrs                   S  S

$$
IAZ017-100900-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
422 PM CDT Thu Oct 9 2025

Date           10/09/25      Fri 10/10/25            Sat 10/11/25            Sun
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          70          39          67          49
Temp             61 59 59 57 56 63 69 69 59 50 45 42 39 53 64 67 61 53 51 51 50
Dewpt            43 44 46 50 53 55 48 39 38 36 36 36 35 41 43 43 44 45 45 45 45
RH               51 57 62 77 90 75 47 33 45 58 70 79 85 64 46 42 53 74 80 80 83
Wind dir         SE  S  S SW SW NW NW NW  N  N NE NE NE  E SE SE SE SE SE SE SE
Wind spd         10 11 10 10  8 10 10 11  5  4  2  2  2  5  6  8  6 10 10 13 16
Wind gust                                                                    26
Clouds           FW OV B2 B1 SC FW CL CL CL CL FW FW FW FW FW FW SC SC B1 B2 B2
PoP 12hr                     10           0           0           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    C


Date           10/12  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25
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      50    65      39    60      43    63      46    69
Temp          68 68   61 52 62 58   45 39 57 56   47 43 60 58   49 47 65 63
Dewpt         51 52   51 47 42 38   37 35 38 37   38 39 43 42   42 43 49 47
PWind dir        SE       S    NW       N     N      NE     E      SE     S
Wind char        BZ      GN    GN      LT    LT      LT    LT      GN    GN
Avg clouds    B2 B1   B1 B1 SC FW   FW FW SC B1   B1 B1 B1 SC   SC B1 B1 SC
PoP 12hr         30      20    20      10    10      10    20      10    20
Rain shwrs     C  S    S     S                           S  S          S  S

$$
IAZ049-100900-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
422 PM CDT Thu Oct 9 2025

Date           10/09/25      Fri 10/10/25            Sat 10/11/25            Sun
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                      55          76          41          68          49
Temp             62 58 59 57 56 64 74 74 64 54 48 44 41 54 65 68 62 54 52 51 50
Dewpt            43 43 44 47 51 57 58 51 43 41 40 38 37 42 43 43 45 45 46 45 45
RH               50 57 57 69 83 78 57 44 46 61 74 79 85 64 45 40 54 71 80 80 83
Wind dir         SE  S  S  S  S  W NW NW  N  N NE NE NE  E  E  E  E SE SE SE SE
Wind spd          9  9  9 10  8  9 10 10  6  5  4  3  3  4  6  6  5  6  8 10 12
Clouds           FW SC OV B2 B2 B1 FW CL CL CL FW FW FW FW FW FW SC SC SC B1 B1
PoP 12hr                     30           5           0           0           5
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  C
Tstms                      S


Date           10/12  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25
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          75      56    69      42    64      45    67      47    72
Temp          70 71   64 57 66 62   49 42 61 59   50 46 63 61   51 48 68 66
Dewpt         52 54   55 53 46 43   40 37 40 40   41 41 45 46   45 44 51 50
PWind dir        SE       S    NW       N     N      NE     E      SE     S
Wind char        BZ      GN    GN      LT    LT      LT    LT      LT    GN
Avg clouds    B1 SC   SC B1 SC FW   FW FW SC SC   B1 B1 SC SC   SC SC SC SC
PoP 12hr         10      20    20      10    10      10    10      10    20
Rain shwrs                S  S                                         S
Tstms                     S

$$
IAZ086-100900-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
422 PM CDT Thu Oct 9 2025

Date           10/09/25      Fri 10/10/25            Sat 10/11/25            Sun
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          76          44          69          51
Temp             63 58 57 57 56 62 71 75 69 60 52 47 44 55 66 69 63 56 54 53 52
Dewpt            42 43 44 45 51 55 58 59 55 48 44 41 40 44 44 44 45 47 47 46 47
RH               46 57 62 64 83 78 63 58 61 64 74 79 86 66 45 40 52 72 77 77 83
Wind dir         SE SE  S  S  S SW  W NW  N  N NE NE NE  E  E  E  E  E SE SE SE
Wind spd          8  8  8  8  8  9  9  9  5  5  5  4  4  5  5  6  5  5  6  9 10
Clouds           CL CL B1 B2 B2 B2 B1 FW FW FW FW FW FW FW FW FW FW SC SC B1 B1
PoP 12hr                     50          30           0           0           5
QPF 12hr                   0.21        0.03           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 C  C
Tstms                      C  S


Date           10/12  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25
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          77      61    73      48    67      49    70      51    75
Temp          73 74   68 62 70 67   55 48 63 62   54 50 67 64   56 52 71 69
Dewpt         53 55   57 56 54 49   45 42 43 45   45 45 47 47   48 48 51 52
PWind dir        SE      SE    NW       N    NE      NE     E      SE     S
Wind char        GN      GN    GN      LT    LT      LT    LT      LT    GN
Avg clouds    SC SC   SC B1 B1 SC   SC SC SC SC   B1 B1 SC FW   FW SC SC SC
PoP 12hr          5      20    20      10    10      10    10      10    10
Rain shwrs                S  S

$$