Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
1147 AM CDT Wed Oct 8 2025

IAZ060-082100-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
1147 AM CDT Wed Oct 8 2025

Date             Wed 10/08/25            Thu 10/09/25            Fri 10/10/25
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          44          72          56          77
Temp                   67 70 64 55 51 47 45 55 68 72 67 62 61 59 58 64 74 77 71
Dewpt                  46 43 43 41 37 35 35 41 44 45 46 45 46 48 50 53 56 56 55
RH                     47 38 46 59 59 63 68 59 42 38 47 54 58 67 75 67 53 48 57
Wind dir               SE SE SE  E SE SE SE SE  S  S  S  S  S  S  S SW  W NW NE
Wind spd                4  5  5  6  5  6  6 10 12 12  9  9  8  8  6  8  9  8  5
Clouds                 CL CL CL CL CL CL FW FW FW FW FW SC B2 B2 B1 SC SC FW FW
PoP 12hr                      0           0           0          20           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S
Tstms                                                       S


Date          Sat 10/11/25  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25
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          50    73      57    80      61    76      58    74
Temp          58 51 70 69   61 58 75 77   68 61 73 71   63 58 71 70
Dewpt         51 47 49 47   47 49 54 54   55 55 58 56   55 52 57 57
PWind dir         E    SE      SE    SE       S    SE       E    SE
Wind char        LT    GN      GN    BZ      GN    GN      LT    GN
Avg clouds    SC SC SC SC   B1 B1 SC SC   SC B1 B1 B1   SC B1 B1 B1
PoP 12hr          5     5      10    10      20    20      20    30
Rain shwrs                                    S  S  S    S  S  C  S
Tstms                                         S  S

$$
IAZ039-082100-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
1147 AM CDT Wed Oct 8 2025

Date             Wed 10/08/25            Thu 10/09/25            Fri 10/10/25
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                      67          38          69          53          75
Temp                   64 67 59 49 44 41 38 52 65 69 64 57 57 55 55 62 72 74 68
Dewpt                  35 33 33 32 31 33 35 41 41 40 40 40 42 43 46 50 53 52 50
RH                     34 28 37 52 60 73 89 66 41 35 41 53 57 64 72 65 51 46 52
Wind dir                E  E  E  E  E SE SE SE  S  S SE  S  S  S  S SW  W NW  N
Wind spd                5  4  5  5  5  5  6 10 13 13 10 10 10 10  9  9 10 10  6
Clouds                 CL CL CL CL CL CL CL CL FW FW FW B1 B2 B2 B1 SC SC FW FW
PoP 12hr                      0           0           0          30           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S  C  C
Wind chill                               32
Min chill                                32    33


Date          Sat 10/11/25  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25
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      53    76      58    76      55    74
Temp          53 46 68 65   57 53 72 72   64 59 74 69   59 55 71 69
Dewpt         46 43 45 47   49 48 50 51   52 52 55 53   51 51 53 54
PWind dir        NE    SE      SE    SE      SE    SE       E    SE
Wind char        LT    GN      GN    BZ      GN    GN      LT    GN
Avg clouds    FW SC SC SC   B1 B1 B1 B1   B1 B1 B1 B1   SC B1 B1 B1
PoP 12hr          5     5      10    20      20    20      20    30
Rain shwrs                         S  S    S  S  S  S    S  S  C  C
Tstms                                         S  S

$$
IAZ048-082100-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
1147 AM CDT Wed Oct 8 2025

Date             Wed 10/08/25            Thu 10/09/25            Fri 10/10/25
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                      69          42          72          54          77
Temp                   66 69 62 52 48 44 42 54 66 71 66 59 59 57 56 64 74 77 70
Dewpt                  44 42 43 40 36 34 34 41 45 46 46 46 46 48 50 55 56 56 54
RH                     45 37 50 63 63 68 73 61 47 41 48 62 62 72 80 73 53 48 57
Wind dir               SE SE SE SE SE SE SE SE  S  S  S  S  S  S  S SW NW  N NE
Wind spd                5  5  4  5  5  5  6 10 12 13 10  9  6  6  5  6  8  8  5
Clouds                 CL CL CL CL CL CL FW FW FW FW FW B1 B2 B2 SC SC FW FW FW
PoP 12hr                      0           0           0          20           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S
Tstms                                                       S


Date          Sat 10/11/25  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25
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    72      55    79      58    76      56    74
Temp          55 48 69 67   58 55 74 75   65 59 73 70   60 56 71 69
Dewpt         49 46 48 48   48 48 53 55   55 54 57 55   53 51 56 58
PWind dir         E    SE      SE    SE      SE    SE       E    SE
Wind char        LT    GN      GN    GN      GN    GN      LT    GN
Avg clouds    SC SC SC SC   B1 B1 SC SC   SC B1 SC B1   SC B1 B1 B1
PoP 12hr          5     5      10    20      20    30      20    30
Rain shwrs                         S       S  S  C  S    S  S  C  S
Tstms                                         S  S

$$
IAZ004-082100-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
1147 AM CDT Wed Oct 8 2025

Date             Wed 10/08/25            Thu 10/09/25            Fri 10/10/25
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          44          72          53          74
Temp                   65 70 63 52 47 45 46 54 66 71 66 59 58 55 54 62 72 73 65
Dewpt                  37 38 40 40 38 34 33 37 41 44 46 48 50 51 51 53 50 46 43
RH                     35 31 43 63 71 65 60 52 40 38 48 67 75 86 90 72 46 38 45
Wind dir               SE  S SE SE  S  S  S  S  S  S  S  S  S SW  W NW  N  N  N
Wind spd                9 10  8 10 10 11 13 17 19 20 14 13 10 10  9 10 10 10  6
Wind gust                                   27 31 32 25
Clouds                 CL CL CL CL CL SC SC SC SC SC B1 SC SC FW FW FW FW FW FW
PoP 12hr                      0           0           0           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date          Sat 10/11/25  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25
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          44    70      56    76      53    72      51    71
Temp          50 45 67 66   58 56 72 72   61 54 69 66   55 51 67 65
Dewpt         42 42 44 44   46 46 51 52   51 48 48 48   48 47 52 54
PWind dir         E    SE      SE     S       S     N       E    SE
Wind char        LT    GN      BZ    BZ      GN    GN      GN    GN
Avg clouds    SC SC SC B1   B1 B2 B1 SC   SC SC SC SC   SC B1 B1 B1
PoP 12hr          5    10      20    30      20    30      20    30
Rain shwrs                      S  C  C    S  S  S  C    S  S  C  C
Tstms                                      S

$$
IAZ035-082100-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
1147 AM CDT Wed Oct 8 2025

Date             Wed 10/08/25            Thu 10/09/25            Fri 10/10/25
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          44          72          53          77
Temp                   66 70 63 53 48 45 46 55 67 71 66 60 59 56 55 64 75 77 69
Dewpt                  41 41 42 41 37 35 33 39 43 44 46 47 48 50 51 55 54 50 48
RH                     40 35 46 64 65 68 60 55 42 38 48 62 67 80 86 73 48 39 47
Wind dir               SE  S SE SE SE SE SE  S  S  S  S  S  S  S SW  W  N  N NE
Wind spd                6  9  6  6  8  9 10 12 14 17 12 11 10  9  6  8  9 10  6
Clouds                 CL CL CL CL CL FW FW SC FW SC SC B1 B1 SC FW FW FW FW FW
PoP 12hr                      0           0           0          10           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date          Sat 10/11/25  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25
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          46    72      56    79      57    76      54    74
Temp          52 46 69 67   59 56 73 75   64 57 73 70   58 54 71 67
Dewpt         45 44 44 46   46 47 51 53   53 51 52 50   50 50 54 56
PWind dir         E    SE      SE    SE      SE    NE       E    SE
Wind char        LT    GN      GN    BZ      GN    GN      LT    GN
Avg clouds    SC SC SC B1   B1 B1 B1 SC   SC SC SC SC   SC B1 B1 B1
PoP 12hr          5     5      20    20      20    30      20    30
Rain shwrs                      S  S       S  S  C  S    S  S  C  S
Tstms                                         S

$$
IAZ094-082100-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
1147 AM CDT Wed Oct 8 2025

Date             Wed 10/08/25            Thu 10/09/25            Fri 10/10/25
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                      69          44          71          54          76
Temp                   67 69 62 54 50 47 45 56 66 71 65 59 59 57 56 63 73 76 70
Dewpt                  48 46 46 44 39 36 37 42 45 46 46 45 46 47 50 53 56 57 56
RH                     50 44 56 69 66 65 73 59 47 41 50 60 62 69 80 70 55 52 61
Wind dir               SE SE  E  E  E SE SE SE  S  S SE  S  S  S  S  S SW  W NE
Wind spd                4  5  3  5  5  5  6  9 10 10  5  5  6  6  6  8  8  6  4
Clouds                 CL CL CL CL CL FW SC SC FW FW FW FW B1 B2 B1 SC FW FW FW
PoP 12hr                      0           0           0          20           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S
Tstms                                                       S  S


Date          Sat 10/11/25  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25
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          52    74      57    80      61    75      59    75
Temp          58 53 70 68   61 58 77 75   69 62 72 69   63 59 72 70
Dewpt         54 48 51 50   50 50 55 55   56 56 59 59   55 54 58 58
PWind dir         E    SE      SE     S       S     S       E    SE
Wind char        LT    GN      GN    GN      GN    GN      LT    LT
Avg clouds    SC B1 SC SC   SC SC SC SC   SC B1 B1 B1   SC B1 B1 B1
PoP 12hr          5     5       5    10      20    20      20    20
Rain shwrs                                    S  S  S       S  S  S
Tstms                                         S  S

$$
IAZ017-082100-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
1147 AM CDT Wed Oct 8 2025

Date             Wed 10/08/25            Thu 10/09/25            Fri 10/10/25
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                      65          38          69          52          73
Temp                   62 65 58 48 44 40 38 52 64 69 64 57 57 55 54 62 71 73 65
Dewpt                  37 37 37 35 33 32 31 38 42 42 43 43 45 47 49 53 53 49 47
RH                     39 35 45 60 65 73 76 59 45 37 46 59 64 74 83 72 53 43 52
Wind dir               SE SE SE SE SE SE SE  S  S  S  S  S  S  S SW  W NW  N  N
Wind spd                6  6  5  5  5  6  8 11 13 14 11 10  9  9  6  8  9  9  5
Wind gust                                      24 26 21
Clouds                 CL CL CL CL CL CL CL FW SC FW SC B1 B2 B1 SC SC FW FW FW
PoP 12hr                      0           0           0          20           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S
Wind chill                               32
Min chill                          39    32    34


Date          Sat 10/11/25  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25
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          44    69      53    74      55    73      52    70
Temp          50 45 67 64   56 53 70 70   62 56 70 66   56 53 67 64
Dewpt         43 42 44 46   47 47 51 51   51 50 52 50   49 48 53 55
PWind dir         E    SE      SE    SE      SE    NE      SE    SE
Wind char        LT    GN      GN    BZ      GN    GN      LT    GN
Avg clouds    FW SC SC SC   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1
PoP 12hr          5    10      10    30      20    30      20    30
Rain shwrs                         C  S    S  S  C  C    S  S  C  C
Tstms                                         S

$$
IAZ049-082100-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
1147 AM CDT Wed Oct 8 2025

Date             Wed 10/08/25            Thu 10/09/25            Fri 10/10/25
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                      68          39          70          53          75
Temp                   65 68 61 50 46 42 39 53 65 70 64 57 56 55 54 62 72 74 68
Dewpt                  37 38 37 34 32 32 34 41 43 42 43 42 44 44 47 52 54 54 52
RH                     35 33 41 54 58 67 82 64 45 36 46 57 64 66 77 70 53 50 57
Wind dir               SE SE  E  E  E SE SE SE  S  S  S  S  S  S  S SW  W NW  N
Wind spd                5  4  5  5  5  5  5 10 12 12  9  9  8  8  8  8  8  8  5
Clouds                 CL CL CL CL CL CL CL FW FW FW FW SC B2 B2 SC SC FW FW FW
PoP 12hr                      0           0           0          20           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S


Date          Sat 10/11/25  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25
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          46    71      53    76      58    76      55    73
Temp          53 46 68 65   58 53 73 73   64 59 73 70   59 55 70 68
Dewpt         47 44 46 47   48 47 53 53   52 53 57 54   52 50 55 56
PWind dir        NE    SE      SE    SE      SE    SE       E    SE
Wind char        LT    GN      GN    BZ      GN    GN      LT    LT
Avg clouds    FW SC SC SC   B1 B1 B1 SC   B1 B1 B1 B1   SC B1 B1 B1
PoP 12hr          5     5      10    20      20    20      20    30
Rain shwrs                         S       S  S  S  S    S  S  C  S
Tstms                                         S  S

$$
IAZ086-082100-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
1147 AM CDT Wed Oct 8 2025

Date             Wed 10/08/25            Thu 10/09/25            Fri 10/10/25
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          38          71          53          76
Temp                   68 70 62 51 47 42 39 54 67 71 65 57 56 55 55 62 72 75 70
Dewpt                  43 39 37 35 33 35 37 42 42 41 42 43 43 44 46 50 54 55 55
RH                     40 32 39 54 58 76 92 64 40 34 43 59 62 66 72 65 53 50 59
Wind dir                E  E  E  E  E  E SE SE  S  S SE SE  S  S  S  S SW SW  N
Wind spd                5  5  5  5  5  5  5  9  9  9  6  6  6  6  8  9  8  8  4
Clouds                 CL CL CL CL CL CL CL CL FW FW FW FW B1 B1 B2 B1 SC FW FW
PoP 12hr                      0           0           0          30           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  C  C


Date          Sat 10/11/25  Sun 10/12/25  Mon 10/13/25  Tue 10/14/25
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          49    74      55    79      61    77      59    76
Temp          57 50 70 68   59 55 75 75   67 62 74 71   64 60 73 71
Dewpt         51 46 47 47   48 49 53 54   55 55 58 58   55 53 56 57
PWind dir        NE     E      SE    SE      SE     S       E    SE
Wind char        LT    LT      GN    GN      GN    GN      LT    LT
Avg clouds    SC SC SC SC   SC SC SC SC   B1 B1 B1 B1   B1 B1 B1 B1
PoP 12hr          5     5      10     5      20    20      20    20
Rain shwrs                                    S  S  S       S  S  S
Tstms                                         S  S

$$