Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
226 AM CDT Sat Oct 11 2025

IAZ060-120900-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
226 AM CDT Sat Oct 11 2025

Date           10/10/25      Sat 10/11/25            Sun 10/12/25            Mon
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                      47          72          55          80          59
Temp                      50 48 55 66 71 65 59 57 57 56 64 76 80 77 72 70 64 59
Dewpt                     42 39 42 46 46 48 50 51 51 53 56 58 59 58 60 59 56 53
RH                        74 71 61 48 41 54 72 80 80 90 75 54 49 52 66 68 75 80
Wind dir                  NE  E  E  E SE SE SE SE SE SE SE SE  S SE  S SW  N  N
Wind spd                   2  4  6  9 11 10 11 10 12 14 17 18 19 14 13  9  9 10
Wind gust                                                  32 33 27
Clouds                    SC B1 B1 SC SC SC SC SC SC SC SC SC SC B1 B1 B2 B1 SC
PoP 12hr                      0           0           0           5          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                        S  S  C  C  S
Tstms                                                             S  S


Date           10/13  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25  Fri 10/17/25
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      52    62      51    68      52    73      58    78
Temp          67 65   58 53 59 60   55 51 64 63   55 52 70 70   64 59 74 74
Dewpt         48 45   46 45 47 47   48 47 50 49   48 46 51 52   52 53 55 54
PWind dir         N      NE    NE      NE     E      SE     S       S    SW
Wind char        GN      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    SC SC   B1 B2 B2 B2   B2 B1 SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         20      10    20      30     5      10    20      20    10
Rain shwrs     S             S  S    C  S                S          S

$$
IAZ039-120900-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
226 AM CDT Sat Oct 11 2025

Date           10/10/25      Sat 10/11/25            Sun 10/12/25            Mon
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          70          50          77          57
Temp                      44 42 53 66 69 63 55 54 52 51 60 74 77 73 68 65 61 57
Dewpt                     39 35 39 39 39 41 43 44 46 47 50 53 54 53 55 56 55 53
RH                        82 76 59 37 33 44 64 69 80 86 69 48 45 49 63 73 81 86
Wind dir                  NE  E  E SE SE  E SE SE SE SE SE SE SE SE  S  S  S  N
Wind spd                   3  4  9  9 11 10 11 12 14 16 18 20 21 18 16 12 10 10
Wind gust                                                  33 35 29 27
Clouds                    FW FW FW SC SC FW FW SC SC B1 SC SC B1 B1 B2 B2 B1 SC
PoP 12hr                      0           0           0           5          40
QPF 12hr                      0           0           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                        C  C  C  C  S


Date           10/13  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25  Fri 10/17/25
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      46    63      46    63      45    70      52    76
Temp          67 63   52 47 60 59   52 46 60 59   50 46 67 66   58 53 73 71
Dewpt         46 43   42 41 42 42   45 43 44 42   43 43 48 47   49 48 52 52
PWind dir         N      NE    NE      NE     E      SE    SE       S     S
Wind char        GN      LT    GN      LT    LT      LT    GN      GN    GN
Avg clouds    SC SC   SC SC B1 B2   B2 B1 SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         20      10    20      30    10      10    20      20    20
Rain shwrs     S             S  S    C  S                S  S    S  S  S  S

$$
IAZ048-120900-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
226 AM CDT Sat Oct 11 2025

Date           10/10/25      Sat 10/11/25            Sun 10/12/25            Mon
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          71          53          79          56
Temp                      44 43 54 66 70 65 57 55 55 53 62 74 79 75 70 67 61 56
Dewpt                     40 38 41 43 44 47 48 50 50 52 55 58 59 59 59 59 55 51
RH                        86 82 61 43 39 52 72 83 83 96 78 57 50 58 68 75 81 83
Wind dir                  NW  E  E SE SE SE SE SE SE SE SE SE SE  S  S SW  N  N
Wind spd                   3  4  6  9 11 10 11 11 13 16 17 18 19 14 13  9 10 10
Wind gust                                               27 33 33 26
Clouds                    SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC B1 B1 B2 SC SC
PoP 12hr                      0           0           0           5          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                        C  C  C  C  S
Tstms                                                             S


Date           10/13  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25  Fri 10/17/25
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      49    62      48    66      49    71      55    77
Temp          66 63   54 50 59 59   52 48 63 61   53 49 70 68   60 56 74 72
Dewpt         46 45   44 43 44 45   46 45 49 48   48 46 51 52   51 52 55 54
PWind dir         N      NE    NE       E     E      SE     S       S    SW
Wind char        GN      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    SC SC   B1 B2 B2 B2   B2 B1 SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         20      10    30      30    10      10    20      20    20
Rain shwrs     S             C  S    C  S                S          S  S

$$
IAZ004-120900-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
226 AM CDT Sat Oct 11 2025

Date           10/10/25      Sat 10/11/25            Sun 10/12/25            Mon
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                      36          68          55          77          45
Temp                      39 38 52 64 67 63 56 57 57 57 61 70 77 74 64 59 51 46
Dewpt                     35 35 38 37 37 39 42 46 48 51 54 56 57 57 54 48 43 38
RH                        85 89 59 37 33 41 59 67 72 80 78 61 50 55 70 67 74 73
Wind dir                   N SE  S SE SE SE SE  S  S  S  S  S  S  S  W NW NW  N
Wind spd                   5  5 11 14 17 14 18 18 20 21 23 24 24 17 16 11 11 11
Wind gust                                   29 29 33 33 34 39 39 28 27
Clouds                    FW B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 SC B2 B1 FW FW
PoP 12hr                      0           5           5          40          30
QPF 12hr                      0           0           0        0.01        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  C  C  C  C


Date           10/13  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25  Fri 10/17/25
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          63      40    57      41    62      45    69      53    74
Temp          60 57   46 41 54 54   45 42 58 58   47 49 67 65   57 54 71 67
Dewpt         37 36   36 34 37 37   40 39 44 44   43 43 49 50   49 49 50 47
PWind dir         N      NE    NE       E     E      SE     S       S    SW
Wind char        GN      LT    GN      LT    LT      GN    GN      GN    GN
Avg clouds    FW FW   SC B1 B2 B2   B2 B1 B1 SC   SC SC SC SC   SC SC SC FW
PoP 12hr          5       5    30      20    10      20    30      20    20
Rain shwrs                   S  C    S  S             S  C  C    S  S  S  S

$$
IAZ035-120900-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
226 AM CDT Sat Oct 11 2025

Date           10/10/25      Sat 10/11/25            Sun 10/12/25            Mon
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          70          54          78          52
Temp                      41 40 53 66 69 65 57 56 56 54 61 73 78 75 70 62 57 52
Dewpt                     39 37 39 40 40 42 45 49 50 52 55 56 57 57 57 54 50 45
RH                        92 89 59 38 35 43 64 77 80 93 81 55 48 54 63 75 77 77
Wind dir                  NE  E SE SE SE SE SE SE SE SE SE SE  S  S  S NW  N  N
Wind spd                   2  5  9 11 14 12 13 13 16 17 17 18 18 14 12 10 11 11
Wind gust                                         27 28 31 32 33 26 24
Clouds                    SC B1 B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B1 SC B1 B2 SC SC
PoP 12hr                      0           5           5          20          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S  S  S  C  C  C  C
Tstms                                                             S


Date           10/13  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25  Fri 10/17/25
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          67      45    61      46    65      47    71      54    77
Temp          64 61   50 46 58 59   49 46 61 61   51 48 69 68   59 55 74 71
Dewpt         40 38   39 39 39 40   43 43 46 45   45 45 50 50   49 51 52 50
PWind dir         N      NE    NE       E     E      SE     S       S    SW
Wind char        GN      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    FW SC   SC B1 B2 B2   B2 B1 B1 SC   SC SC SC SC   SC SC SC FW
PoP 12hr         10      10    30      30    10      20    30      20    20
Rain shwrs                   C  C    C  S             S  C  S    S  S  S

$$
IAZ094-120900-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
226 AM CDT Sat Oct 11 2025

Date           10/10/25      Sat 10/11/25            Sun 10/12/25            Mon
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                      47          71          55          80          60
Temp                      50 49 55 67 70 65 59 58 56 55 64 75 80 75 71 69 64 60
Dewpt                     45 43 47 51 52 52 53 54 54 55 58 59 59 59 60 60 58 56
RH                        83 80 74 56 53 63 80 86 93100 81 58 49 58 68 73 81 87
Wind dir                  NE NE  E  E SE SE SE SE SE SE  S  S  S  S  S  S  N  N
Wind spd                   4  4  5  6  9  6  9  9 11 13 16 18 19 12 11  8  8  9
Wind gust                                               26 31 32
Clouds                    FW B1 B1 SC SC FW SC SC SC SC SC SC SC SC B1 B1 B2 B1
PoP 12hr                      0           0           0           0          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              S  S  C
Tstms                                                                   S


Date           10/13  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25  Fri 10/17/25
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    63      52    69      53    72      58    76
Temp          67 65   60 55 61 60   56 53 66 64   57 54 69 69   64 59 73 71
Dewpt         52 50   49 49 51 52   51 50 54 53   50 49 53 54   54 55 55 54
PWind dir         N      NE    NE      NE     E      SE     S       S    SW
Wind char        GN      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B1 B1   B2 B2 B2 B2   B2 B2 SC SC   SC SC SC SC   FW SC SC FW
PoP 12hr         30      10    20      20     5       5    10      10    10
Rain shwrs     C  S          S  S    S  S

$$
IAZ017-120900-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
226 AM CDT Sat Oct 11 2025

Date           10/10/25      Sat 10/11/25            Sun 10/12/25            Mon
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                      38          67          51          75          49
Temp                      40 40 52 64 66 62 54 54 53 52 59 71 74 72 67 62 55 50
Dewpt                     37 35 38 39 38 40 41 43 45 47 50 54 55 56 55 54 51 46
RH                        89 82 59 40 36 44 61 66 74 83 72 55 51 57 65 75 86 86
Wind dir                  NE  E SE SE SE SE SE SE SE SE SE SE SE  S  S  W  N  N
Wind spd                   3  4  8 10 12 11 13 13 16 18 20 23 24 18 16 10 10 10
Wind gust                                         27 28 31 35 36 31 27
Clouds                    FW SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B2 SC SC
PoP 12hr                      0           0           0          20          40
QPF 12hr                      0           0           0           0        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S  C  C  S  S


Date           10/13  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25  Fri 10/17/25
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          64      42    59      43    60      44    68      52    74
Temp          61 58   48 43 57 56   47 43 57 56   47 45 65 64   56 53 71 68
Dewpt         42 40   38 37 39 39   41 40 43 42   42 42 49 48   49 48 52 51
PWind dir         N      NE    NE      NE     E      SE     S       S    SW
Wind char        GN      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    FW FW   SC SC B1 B2   B2 B1 SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         10       5    30      30    10      10    30      20    20
Rain shwrs                   S  C    C                   C  C    S  S  S  S

$$
IAZ049-120900-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
226 AM CDT Sat Oct 11 2025

Date           10/10/25      Sat 10/11/25            Sun 10/12/25            Mon
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          70          51          77          57
Temp                      43 42 54 66 69 63 55 54 52 51 62 74 77 74 68 65 61 57
Dewpt                     39 36 40 42 42 44 45 46 46 48 52 56 57 56 56 57 56 52
RH                        86 79 59 42 37 50 69 74 80 89 70 53 50 53 65 75 84 83
Wind dir                  NE  E  E SE SE SE SE SE SE SE SE SE SE SE  S  S  W  N
Wind spd                   4  5  8 10 10  9  9 10 12 13 17 19 21 16 13  9  9  9
Wind gust                                                  32 34 26
Clouds                    FW SC SC SC SC FW FW SC SC SC SC SC SC B1 B1 B1 B1 SC
PoP 12hr                      0           0           0           5          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                        C  C  C  C  S


Date           10/13  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25  Fri 10/17/25
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      48    62      46    64      46    70      53    77
Temp          67 63   53 48 59 59   52 46 60 59   51 47 68 67   59 54 74 71
Dewpt         47 45   43 42 43 44   46 44 46 45   44 44 49 49   49 50 54 53
PWind dir         N      NE    NE      NE     E      SE     S       S    SW
Wind char        GN      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    SC SC   B1 B1 B2 B2   B2 B1 SC SC   SC SC SC SC   SC SC FW SC
PoP 12hr         20      10    20      30    10      10    20      20    20
Rain shwrs     S             S  S    C  S                S  S    S  S  S

$$
IAZ086-120900-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
226 AM CDT Sat Oct 11 2025

Date           10/10/25      Sat 10/11/25            Sun 10/12/25            Mon
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                      44          71          51          79          61
Temp                      46 45 55 66 70 64 56 54 53 53 62 75 79 75 70 67 64 62
Dewpt                     42 42 46 49 49 50 49 50 49 50 55 56 57 57 57 58 58 59
RH                        86 89 72 54 47 60 77 86 86 89 78 52 47 54 63 73 81 90
Wind dir                   N NE  E  E SE SE SE SE SE SE SE  S SE SE SE  S  S  S
Wind spd                   5  5  8  8  8  6  6  8 10 11 14 17 17 13 11 10  8  5
Wind gust                                               25 29 31 24 21
Clouds                    FW SC SC SC FW FW FW SC SC SC FW FW FW B1 B2 B2 B1 B1
PoP 12hr                      0           0           0           0          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                        S  S  C  C  C


Date           10/13  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25  Fri 10/17/25
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      53    65      51    67      49    72      57    78
Temp          72 69   60 54 62 62   56 52 64 62   53 50 69 68   62 58 75 73
Dewpt         56 53   50 48 49 50   51 50 50 49   47 46 49 51   49 51 53 54
PWind dir         N      NE    NE      NE     E       E    SE       S    SW
Wind char        LT      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B1 SC   B2 B2 B2 B1   B2 B1 SC SC   SC SC SC SC   SC SC FW FW
PoP 12hr         30      10    20      30     5      10    10      10    10
Rain shwrs     C             S       S  C

$$