Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
946 AM CDT Sun Oct 5 2025

IAZ060-052100-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
946 AM CDT Sun Oct 5 2025

Date             Sun 10/05/25            Mon 10/06/25            Tue 10/07/25
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                      86          58          63          50          66
Temp                72 80 83 83 75 69 64 60 59 61 61 59 57 56 53 51 56 63 66 61
Dewpt               57 58 57 57 60 63 61 56 56 55 54 52 52 52 50 47 46 43 43 45
RH                  59 47 41 41 60 81 90 87 90 81 78 78 83 86 89 86 69 48 43 56
Wind dir             S  S  S  S SW  W NW  N  N  N  N  N  N  N  N  N  N  N  N NE
Wind spd            17 19 18 12 10  6  8  8  8  9  9  8  5  5  5  5  5  6  5  4
Wind gust           29 31 28
Clouds              CL FW SC SC B2 B2 OV OV B2 OV B2 B2 B2 B2 B1 SC SC SC FW FW
PoP 12hr                     10          80          70          40           5
QPF 12hr                      0        0.60        0.61        0.09           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S  C  L  L  C  L  L  C  C  C  C  C
Tstms                         S  C  C  S  S              S  S


Date          Wed 10/08/25  Thu 10/09/25  Fri 10/10/25  Sat 10/11/25
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    69      50    75      57    76      56    77
Temp          51 45 66 63   55 51 70 71   62 58 73 71   61 56 74 73
Dewpt         44 41 45 44   42 43 52 54   55 55 60 57   54 52 56 55
PWind dir        NE    SE      SE    SE       S    SW      SE     S
Wind char        LT    LT      LT    GN      LT    GN      LT    GN
Avg clouds    FW FW CL FW   FW SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr          0     5      20    20      20    10      10    10
Rain shwrs                      S  S       S  S
Tstms                                      S  S

$$
IAZ039-052100-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
946 AM CDT Sun Oct 5 2025

Date             Sun 10/05/25            Mon 10/06/25            Tue 10/07/25
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                      85          54          62          47          66
Temp                71 80 83 80 72 66 60 56 57 60 60 58 55 53 50 47 56 63 66 60
Dewpt               56 57 56 55 60 62 58 54 52 51 50 50 50 49 46 42 43 40 39 41
RH                  59 45 40 42 66 87 93 93 83 72 69 75 83 86 86 83 62 43 37 49
Wind dir             S  S  S  S SW  W NW  N  N  N  N  N  N  N  N  N  N  N  N  N
Wind spd            18 21 20 14 12  9  9  9  9  9  9  6  5  5  5  4  5  8  6  3
Wind gust           29 32 31
Clouds              CL FW FW SC OV OV OV B2 B2 B2 B2 B2 B2 B1 SC SC FW FW FW FW
PoP 12hr                      5          80          70          30           5
QPF 12hr                      0        0.63        0.28        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       C  D  L  C  L  C  C  C  C
Tstms                            C  C  S


Date          Wed 10/08/25  Thu 10/09/25  Fri 10/10/25  Sat 10/11/25
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          42    69      46    71      53    74      52    75
Temp          48 42 66 62   51 47 67 66   58 54 72 68   58 53 71 69
Dewpt         41 38 41 41   40 40 46 48   50 51 55 53   51 49 53 52
PWind dir        NE    SE      SE    SE       S    SW      SE     S
Wind char        LT    LT      GN    GN      GN    GN      LT    GN
Avg clouds    FW CL CL FW   FW SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr          0     5      20    20      30    10      10    20
Rain shwrs                      S  S  S    C  C                   S

$$
IAZ048-052100-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
946 AM CDT Sun Oct 5 2025

Date             Sun 10/05/25            Mon 10/06/25            Tue 10/07/25
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                      85          55          62          47          66
Temp                73 81 83 80 70 65 59 56 57 59 60 58 54 53 50 47 56 63 66 60
Dewpt               57 58 58 58 63 63 57 53 53 52 52 51 51 50 48 44 46 43 43 45
RH                  57 46 43 47 78 93 93 90 86 78 75 77 90 89 93 89 69 48 43 58
Wind dir             S  S  S  S SW  W  N  N  N  N  N  N  N  N  N  N  N  N  N NE
Wind spd            17 19 17 10  9  6  8  8  9  9  9  6  5  4  4  3  4  5  5  3
Wind gust           29 32 28
Clouds              FW FW SC B2 OV OV OV OV B2 B2 B2 B2 B2 B1 SC SC FW FW FW FW
PoP 12hr                     20          80          70          30           5
QPF 12hr                      0        0.72        0.30        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    C  L  D  C  C  L  C  C  C  C  S  S
Tstms                         C  C  C


Date          Wed 10/08/25  Thu 10/09/25  Fri 10/10/25  Sat 10/11/25
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      48    73      55    75      54    76
Temp          49 43 66 63   52 49 69 69   60 56 73 69   59 54 73 71
Dewpt         43 40 44 44   42 42 51 54   55 54 60 56   53 51 56 55
PWind dir         E    SE      SE    SE       S    SW      SE     S
Wind char        LT    LT      LT    GN      LT    LT      LT    GN
Avg clouds    FW CL CL FW   FW SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr          0     5      20    20      30    10      10    10
Rain shwrs                   S  S  S       C  S
Tstms                                      S  S

$$
IAZ004-052100-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
946 AM CDT Sun Oct 5 2025

Date             Sun 10/05/25            Mon 10/06/25            Tue 10/07/25
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                      83          47          63          42          68
Temp                70 77 76 74 59 54 51 48 54 60 61 58 51 47 44 42 56 65 68 62
Dewpt               57 55 55 54 48 43 42 41 43 41 40 40 39 37 36 35 38 38 37 38
RH                  63 47 48 50 67 66 71 77 66 49 46 51 63 68 73 76 51 37 32 41
Wind dir             S SW SW SW  N  N  N  N  N  N  N  N  N NW NW NW  W NW NW  N
Wind spd            23 24 17 12 13 11 10  9 10 10  8  5  3  3  3  3  4  5  5  4
Wind gust           35 34 27    24
Clouds              B1 SC B2 B2 B1 B1 B1 B1 SC B1 B2 B1 SC FW FW FW CL FW FW FW
PoP 12hr                     60          40          10           5           0
QPF 12hr                   0.01        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  S  C  C
Tstms                   S  S


Date          Wed 10/08/25  Thu 10/09/25  Fri 10/10/25  Sat 10/11/25
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          42    71      48    74      53    75      53    76
Temp          48 42 68 64   51 49 69 68   59 54 72 69   56 53 73 70
Dewpt         36 36 40 39   40 41 48 52   53 52 54 50   49 48 52 51
PWind dir        SE     S       S     S       S    NW       S     S
Wind char        LT    GN      GN    BZ      GN    GN      LT    GN
Avg clouds    FW FW CL FW   FW SC SC SC   SC SC SC SC   SC SC SC FW
PoP 12hr          0     5      20    20      20    10      10    10
Rain shwrs                   S  S  S  S    S
Tstms                              S  S    S

$$
IAZ035-052100-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
946 AM CDT Sun Oct 5 2025

Date             Sun 10/05/25            Mon 10/06/25            Tue 10/07/25
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                      84          52          63          44          68
Temp                70 78 80 77 67 58 55 52 55 60 61 58 53 50 46 44 55 65 68 62
Dewpt               57 56 56 57 59 53 49 46 47 46 46 46 46 45 42 40 42 39 38 41
RH                  63 47 44 50 75 83 80 80 74 60 58 64 77 83 86 86 61 38 33 46
Wind dir             S  S SW SW  W  N  N  N  N  N  N  N  N  N  N  N  N  N  N  E
Wind spd            19 21 18 11 10 10 10 10 10 10  9  5  4  3  3  2  3  5  5  3
Wind gust           31 33 28
Clouds              SC B1 B2 OV OV OV OV B2 B1 B2 B2 B2 B1 SC SC FW FW FW FW FW
PoP 12hr                     60          70          40          10           0
QPF 12hr                   0.09        0.17        0.12           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  L  L  C  S     C  C  C
Tstms                      S  C  C  S


Date          Wed 10/08/25  Thu 10/09/25  Fri 10/10/25  Sat 10/11/25
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          42    71      48    75      55    76      54    78
Temp          48 43 68 64   52 49 70 69   59 55 73 70   57 54 74 72
Dewpt         41 38 41 41   42 42 49 52   55 54 56 53   51 49 53 52
PWind dir        SE    SE      SE     S       S     W       S     S
Wind char        LT    GN      GN    GN      LT    GN      LT    GN
Avg clouds    FW FW FW FW   FW SC SC SC   SC SC SC FW   SC SC SC SC
PoP 12hr          0     5      20    20      20    10      10    10
Rain shwrs                   S  S  S  S    S  S
Tstms                                 S    S  S

$$
IAZ094-052100-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
946 AM CDT Sun Oct 5 2025

Date             Sun 10/05/25            Mon 10/06/25            Tue 10/07/25
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                      85          60          70          52          64
Temp                69 80 83 79 73 69 65 62 64 68 68 60 57 56 54 52 56 62 64 59
Dewpt               58 59 58 56 57 59 60 60 60 60 59 56 56 55 53 51 49 46 45 46
RH                  68 49 43 45 57 70 84 93 87 76 73 87 96 96 96 96 77 56 50 62
Wind dir             S  S  S  S  S SW NW  N  N  N  N  N  N  N  N  N NE NE NE NE
Wind spd            16 17 17 10  9  5  5  5  5  6  8  8  6  6  6  8  8  8  6  3
Wind gust           27 28 27
Clouds              CL CL FW FW SC B1 B1 B2 B2 B2 B2 B2 B2 OV B2 B1 SC SC SC SC
PoP 12hr                      0          50          70          60          10
QPF 12hr                      0        0.06        0.43        0.24           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          C  C  L  L  C  C  L  L  L  L
Tstms                               S  S  S     S  C  S  C  C  S


Date          Wed 10/08/25  Thu 10/09/25  Fri 10/10/25  Sat 10/11/25
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    68      51    73      57    76      56    77
Temp          51 45 65 62   54 52 69 69   62 58 74 70   61 56 74 72
Dewpt         44 41 44 45   43 45 54 56   55 56 60 58   56 53 56 55
PWind dir        NE     E      SE    SE       S     S      SE     S
Wind char        LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    FW FW FW FW   FW SC SC SC   SC SC SC FW   FW SC SC FW
PoP 12hr          0     5      10    20      20    10      10    20
Rain shwrs                         S  S    S  S                S
Tstms                                      S  S

$$
IAZ017-052100-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
946 AM CDT Sun Oct 5 2025

Date             Sun 10/05/25            Mon 10/06/25            Tue 10/07/25
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                      82          50          63          42          66
Temp                70 77 79 75 65 57 54 52 55 61 61 57 52 50 46 43 55 63 66 60
Dewpt               56 56 56 58 58 51 47 45 46 46 44 44 44 42 38 36 40 38 37 39
RH                  61 48 45 55 78 80 77 77 72 58 53 62 74 74 73 76 57 39 34 46
Wind dir             S  S SW SW SW  N  N  N  N  N  N  N  N  N  N  N  N  N NW  N
Wind spd            19 20 18 11 10  9  9  8  9  8  6  4  3  3  2  2  3  5  4  2
Wind gust           33 34 31       19
Clouds              SC B1 B1 OV OV B2 OV B2 B1 B2 B2 B2 B1 SC SC FW CL FW FW FW
PoP 12hr                     60          70          30           5           0
QPF 12hr                   0.11        0.27        0.07           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  L  L  C  S     S  C  S
Tstms                      S  C  C  S


Date          Wed 10/08/25  Thu 10/09/25  Fri 10/10/25  Sat 10/11/25
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          42    68      45    70      52    73      51    74
Temp          47 42 65 61   50 46 67 65   57 53 70 67   56 52 71 68
Dewpt         38 36 41 41   40 40 47 49   51 51 54 51   49 48 53 52
PWind dir        SE    SE      SE     S       S     W      SE     S
Wind char        LT    LT      GN    GN      LT    GN      LT    GN
Avg clouds    FW FW FW FW   FW SC SC SC   SC B1 SC SC   SC SC SC SC
PoP 12hr          0     5      20    30      20    10      10    20
Rain shwrs                   S  S  S  C    S                      S

$$
IAZ049-052100-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
946 AM CDT Sun Oct 5 2025

Date             Sun 10/05/25            Mon 10/06/25            Tue 10/07/25
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                      85          54          62          47          66
Temp                70 80 82 80 70 65 60 56 57 60 60 58 54 53 49 47 55 63 66 60
Dewpt               57 57 57 57 59 62 58 54 54 53 52 51 50 50 47 43 44 41 41 44
RH                  63 45 43 45 68 90 93 93 90 78 75 77 86 89 93 86 66 44 40 55
Wind dir             S  S  S  S SW  W  N  N  N  N  N  N  N  N  N  N  N  N  N  N
Wind spd            17 20 19 11 10  6  8  8  8  9  8  5  5  4  4  4  5  5  5  2
Wind gust           29 32 29
Clouds              FW FW FW SC B2 OV OV B2 B2 B2 B2 B2 B2 B2 SC SC FW FW FW FW
PoP 12hr                     10          80          70          30           5
QPF 12hr                      0        0.58        0.35        0.03           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S  C  D  L  C  L  C  C  C  C  S  S
Tstms                         S  C  C


Date          Wed 10/08/25  Thu 10/09/25  Fri 10/10/25  Sat 10/11/25
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          42    68      46    72      53    74      53    76
Temp          48 42 65 61   51 47 68 66   58 54 72 69   57 53 73 70
Dewpt         41 38 43 43   40 40 49 51   51 51 57 55   52 49 54 54
PWind dir        NE    SE      SE    SE       S     W      SE     S
Wind char        LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    FW CL CL FW   FW SC SC SC   SC SC SC SC   FW SC SC SC
PoP 12hr          0     5      20    20      30    10      10    20
Rain shwrs                      S  S  S    C  S                S
Tstms                                         S

$$
IAZ086-052100-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
946 AM CDT Sun Oct 5 2025

Date             Sun 10/05/25            Mon 10/06/25            Tue 10/07/25
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                      86          62          75          52          66
Temp                72 82 84 80 73 70 66 62 68 71 71 64 59 57 54 53 59 64 66 60
Dewpt               58 58 57 55 57 57 58 60 61 60 59 58 57 55 54 51 49 44 42 44
RH                  61 44 40 42 57 63 75 93 78 68 66 81 93 93100 93 69 48 42 55
Wind dir             S  S  S  S  S  S SW NW  N  N  N  N  N  N  N  N  N  N  N  N
Wind spd            16 17 16 10 10  8  5  5  5  6  8  8  6  5  6  6  8  8  8  4
Wind gust           27 28 26    20 18
Clouds              CL CL CL CL FW SC SC B1 B1 B2 B1 B1 B2 B2 B2 B2 SC SC FW SC
PoP 12hr                      0          30          50          70          10
QPF 12hr                      0           0        0.10        0.36           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S  C  C  C  C  L  L  L  L
Tstms                                              S     S  S


Date          Wed 10/08/25  Thu 10/09/25  Fri 10/10/25  Sat 10/11/25
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      49    75      55    77      55    78
Temp          51 45 67 64   53 50 71 69   60 56 74 72   61 56 75 73
Dewpt         44 41 42 43   42 42 49 50   52 54 57 57   54 51 53 54
PWind dir        NE     E      SE    SE       S    SW      SE     S
Wind char        LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    FW CL CL CL   FW FW SC FW   SC SC SC SC   SC SC SC SC
PoP 12hr          0     5      20    20      30    10      10    20
Rain shwrs                      S  S  S    S  C                S
Tstms                                         S

$$