Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
243 PM CDT Sat Oct 11 2025

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

Date           10/11/25      Sun 10/12/25            Mon 10/13/25            Tue
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          79          59          71          53
Temp          71 65 61 59 57 57 64 74 78 75 71 68 63 59 63 68 71 67 61 59 56 54
Dewpt         49 52 55 55 54 54 55 58 59 59 59 59 57 53 51 50 49 48 48 47 46 46
RH            46 63 81 87 90 90 73 57 52 58 66 73 81 80 65 52 46 50 62 64 69 74
Wind dir      SE SE  S SE SE SE SE  S  S  S  S SW  N  N  N  N  N  N NE NE NE NE
Wind spd      11 10  9 10 11 13 17 18 19 13 11  9  9  9 10 10 10  8  6  5  6  6
Wind gust                       29 32 32 25
Clouds        SC FW SC SC SC B1 FW SC B1 B1 B1 B2 B1 SC SC SC SC SC B2 B2 B2 B2
PoP 12hr                      0          10          30          20          20
QPF 12hr                      0           0           0        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S  C  S  S  S        S  S  S  S  C
Tstms                                     S  S


Date           10/14  Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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      53    67      54    74      60    73      52    67
Temp          60 61   57 54 64 65   58 55 71 71   63 60 71 68   59 52 66 63
Dewpt         49 50   53 51 55 55   53 52 56 54   55 55 58 56   54 50 51 48
PWind dir        NE       E     E       E    SE      SE     S       S    SW
Wind char        LT      LT    LT      LT    GN      GN    GN      LT    GN
Avg clouds    B2 B2   B2 B2 B1 B1   B1 B1 SC SC   SC B1 B1 B1   B1 SC SC SC
PoP 12hr         30      30    10      10    10      20    30      30    20
Rain shwrs     C  S    C  C             S             S  C  C    C  S  S  S
Tstms                                                            S  S     S

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

Date           10/11/25      Sun 10/12/25            Mon 10/13/25            Tue
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                      51          76          58          71          48
Temp          69 62 56 55 52 52 60 72 75 72 67 65 61 58 63 69 71 65 57 54 51 49
Dewpt         41 43 44 44 45 47 50 52 53 52 54 55 55 53 52 48 46 45 44 43 41 40
RH            36 50 64 66 77 83 69 49 46 49 63 70 81 83 67 47 41 48 62 66 68 71
Wind dir      SE  E SE SE SE SE SE SE SE SE  S  S SW  N  N  N  N  N  N  N NE NE
Wind spd      11 10 10 12 13 16 18 20 20 18 17 12 10  8 10 10 11  9  8  6  6  8
Wind gust                       28 32 33 28
Clouds        SC FW FW FW SC B1 B1 SC B1 B1 B2 B2 B2 B1 SC SC SC SC SC B1 B1 B1
PoP 12hr                      0          20          40          20          20
QPF 12hr                      0           0        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                C  C  C  C  S  S              S  S  S
Tstms                                        S


Date           10/14  Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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      49    64      49    70      55    73      49    66
Temp          61 60   53 50 61 61   54 50 66 66   59 56 70 67   56 50 64 61
Dewpt         42 45   48 48 48 49   49 47 51 51   52 52 55 54   53 49 50 48
PWind dir        NE      NE     E       E    SE      SE     S       S    SW
Wind char        GN      LT    LT      LT    GN      GN    GN      GN    GN
Avg clouds    B2 B2   B2 B2 B2 B1   B1 B1 B1 SC   SC B1 B1 B1   B1 SC SC SC
PoP 12hr         30      40    10      10    30      20    40      30    20
Rain shwrs     S  C    C  C                C  S    S  S  C  C    C  S  S  S
Tstms                                                                     S

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

Date           10/11/25      Sun 10/12/25            Mon 10/13/25            Tue
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          78          56          71          50
Temp          70 64 58 57 55 55 64 74 77 74 68 65 60 56 62 68 70 65 58 55 53 51
Dewpt         47 50 53 54 53 52 55 58 60 59 60 58 55 51 51 48 47 46 46 45 43 44
RH            44 60 83 90 93 90 73 57 56 59 76 78 84 83 67 49 44 50 64 69 69 77
Wind dir      SE SE  S SE SE SE SE SE  S  S  S  W  N  N  N  N  N  N NE NE NE NE
Wind spd      11 10 10 11 12 13 18 19 20 13 11  9  9  9 10 10 10  8  6  5  6  6
Wind gust                 23 24 31 34 33 24
Clouds        SC FW SC SC B1 B1 B1 B1 B1 SC B1 B2 B1 SC SC FW SC SC B1 B2 B2 B2
PoP 12hr                      0          20          30          20          20
QPF 12hr                      0           0        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S  C  S  S  S        S  S  S  S  C
Tstms                                     S  S


Date           10/14  Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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          62      50    66      52    74      58    73      49    67
Temp          59 59   53 52 64 62   55 53 70 69   62 58 70 67   56 49 65 62
Dewpt         47 49   51 51 54 54   52 51 56 55   54 54 58 57   53 49 51 48
PWind dir        NE       E     E      SE    SE      SE     S       S    SW
Wind char        LT      LT    LT      LT    GN      GN    GN      LT    GN
Avg clouds    B2 B2   B2 B2 B2 B1   B1 B1 B1 SC   B1 B1 B1 B1   SC SC SC SC
PoP 12hr         30      40    10      20    20      20    40      30    20
Rain shwrs     C  C    C  C             S  S          S  C  C    C  S  S  S
Tstms                                                            S  S     S

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

Date           10/11/25      Sun 10/12/25            Mon 10/13/25            Tue
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          75          45          64          42
Temp          68 62 57 57 57 57 61 69 74 71 62 56 49 45 52 60 64 58 48 46 44 42
Dewpt         41 42 45 49 51 52 55 56 57 57 54 48 43 38 40 38 37 36 35 35 34 34
RH            37 48 64 75 80 83 81 63 55 61 75 74 80 76 63 44 37 44 60 65 68 73
Wind dir      SE SE  S  S  S  S  S  S  S  S NW NW NW  N  N  N  N  N  N NE NE NE
Wind spd      17 14 16 18 20 21 23 25 24 16 14 10 10 10 12 12 12  9  8  8  8  9
Wind gust           26 32 35 35 37 37 37 27
Clouds        B1 B1 SC B2 B2 B2 B2 B1 FW SC B2 B1 FW FW FW FW FW SC SC B1 B1 B2
PoP 12hr                     10          30          30          10          10
QPF 12hr                      0           0        0.10           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       S  S  S  C  C                                S
Tstms                                  S
Wind chill                                                                   36
Min chill                                                                    35


Date           10/14  Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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          57      44    62      49    72      55    69      46    65
Temp          54 54   47 46 59 59   52 50 68 68   60 56 66 63   52 46 62 59
Dewpt         37 40   43 44 50 50   49 49 54 54   53 52 53 49   45 43 44 42
PWind dir        NE       E     E      SE    SE       S    SW      SW     W
Wind char        GN      LT    GN      GN    BZ      GN    GN      GN    GN
Avg clouds    B2 B2   B2 B2 B2 B1   B1 B1 B1 SC   B1 B1 B1 SC   SC SC SC SC
PoP 12hr         50      30    20      20    40      30    30      10    20
Rain shwrs     S  C    C  S  S          S  C  C    C  C  C  C             S

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

Date           10/11/25      Sun 10/12/25            Mon 10/13/25            Tue
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          77          52          68          47
Temp          69 63 59 57 57 57 63 72 76 73 68 61 56 52 58 65 68 62 54 51 49 47
Dewpt         43 46 50 52 53 53 55 56 58 57 57 54 50 45 45 42 40 39 40 39 39 38
RH            39 54 72 83 86 86 75 57 54 57 68 78 80 77 62 43 36 43 59 63 68 71
Wind dir      SE SE  S SE SE SE SE  S  S  S  S  N  N  N  N  N  N  N NE NE NE NE
Wind spd      14 12 12 14 17 18 20 23 20 16 13 10 10 10 12 11 11  9  8  6  6  6
Wind gust              25 29 31 35 35 34
Clouds        B1 SC SC B2 B2 B1 B2 B1 B1 SC B2 B2 SC FW FW FW SC SC SC B1 B2 B2
PoP 12hr                      5          20          30          20          20
QPF 12hr                      0           0        0.03           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  S  S  C  S     S  S              S  S  C
Tstms                                  S  S


Date           10/14  Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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          61      48    66      52    74      57    73      47    68
Temp          58 57   50 49 64 62   53 52 70 69   61 58 71 65   53 47 65 62
Dewpt         41 45   47 48 52 51   50 50 55 53   53 52 55 52   49 45 47 44
PWind dir        NE       E     E      SE    SE       S     S       S    SW
Wind char        GN      LT    GN      GN    BZ      GN    GN      LT    GN
Avg clouds    B2 B2   B2 B2 B2 B1   B1 B2 B1 SC   B1 B1 B1 B1   SC SC SC SC
PoP 12hr         40      40    10      30    30      30    40      20    20
Rain shwrs     C  C    C  C             C  C       S  C  C  C    S     S  S
Tstms                                                 S          S

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

Date           10/11/25      Sun 10/12/25            Mon 10/13/25            Tue
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          79          59          71          55
Temp          71 65 59 59 58 57 65 74 79 75 70 68 62 59 63 68 71 66 62 61 57 56
Dewpt         54 56 56 56 56 55 58 59 59 59 60 60 59 56 55 54 54 53 52 51 52 51
RH            55 73 90 90 93 93 78 59 50 58 71 76 90 90 75 61 55 63 70 70 83 83
Wind dir      SE SE  S SE SE SE  S  S  S  S  S  S  N  N  N  N NE NE NE NE NE NE
Wind spd       9  6  9  9 10 12 16 18 18 11 10  8  8  8  9  9  8  5  5  5  6  6
Wind gust                       29 31 31 21
Clouds        FW FW SC SC SC SC SC SC SC B1 B1 B2 B2 B1 B1 B1 B1 B1 B2 B2 OV OV
PoP 12hr                      0          10          30          30          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  C  C  C  S  S        S  S  S


Date           10/14  Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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          65      54    70      55    75      60    75      52    67
Temp          62 63   57 55 68 66   60 56 72 71   65 60 74 67   60 53 65 61
Dewpt         54 55   55 53 57 57   54 53 56 55   55 55 56 57   55 53 53 51
PWind dir         E       E     E      SE    SE      SE     S       S    SW
Wind char        LT      LT    LT      LT    GN      GN    GN      LT    GN
Avg clouds    B2 B2   B2 B2 B1 SC   SC SC SC FW   SC B1 B1 SC   B1 B1 SC SC
PoP 12hr         20      20    10      10     5      10    30      30    20
Rain shwrs     S  S    S  S                              S  C    C  S  S  S
Tstms                                                            S  S  S  S

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

Date           10/11/25      Sun 10/12/25            Mon 10/13/25            Tue
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                      52          73          50          66          43
Temp          66 60 55 54 53 53 59 70 72 71 65 62 55 51 57 63 65 59 51 48 45 44
Dewpt         39 42 43 45 46 47 50 53 55 55 55 55 51 46 46 43 40 40 39 38 37 36
RH            37 51 64 71 77 80 72 55 55 57 70 78 86 83 67 48 40 49 63 68 73 73
Wind dir      SE SE  S SE SE SE SE SE SE  S  S NW  N  N  N  N  N  N  N  N NE NE
Wind spd      12 11 12 13 16 18 19 23 21 16 13 10  9  9 11 10 10  6  5  5  6  6
Wind gust                 26 29 34 36 36 27 24
Clouds        B1 SC SC B1 B1 B1 SC B1 B1 B1 B1 B2 SC SC FW FW FW FW SC SC SC B1
PoP 12hr                      0          20          40          20          10
QPF 12hr                      0           0        0.06           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                C  C  C  S  S  S                    S
Tstms                                     S  S


Date           10/14  Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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          59      45    61      48    68      53    69      46    65
Temp          57 56   49 47 59 58   51 49 65 64   58 54 66 63   53 47 62 59
Dewpt         40 42   44 45 49 48   47 47 53 52   52 51 54 52   49 45 48 45
PWind dir        NE       E     E      SE    SE      SE     S      SW    SW
Wind char        LT      LT    LT      LT    GN      GN    GN      LT    GN
Avg clouds    B1 B2   B2 B2 B2 B1   B1 B2 B1 B1   B1 B1 B1 B1   SC SC SC SC
PoP 12hr         40      30    10      20    40      20    40      20    20
Rain shwrs     S  C    C                S  C  C    S  S  C  C    S        S

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

Date           10/11/25      Sun 10/12/25            Mon 10/13/25            Tue
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                      52          77          57          71          49
Temp          69 62 55 55 53 53 61 73 76 73 66 65 60 58 63 69 70 65 57 54 51 49
Dewpt         46 48 49 49 48 47 52 55 57 56 56 57 55 52 52 50 47 47 45 44 42 41
RH            44 60 80 80 83 80 72 53 52 55 70 75 84 80 67 51 44 52 64 69 71 74
Wind dir      SE SE  S SE SE SE SE  S SE SE  S  S NW  N  N  N  N  N  N NE NE NE
Wind spd      10  9  8 10 12 14 18 21 21 14 13  9  9  8 10 10 10  6  6  5  6  6
Wind gust                       29 32 33
Clouds        SC FW FW FW SC SC SC FW B1 B1 B1 B2 B2 SC SC FW SC SC SC B1 B2 B2
PoP 12hr                      0          20          30          20          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                C  S  C  C  S  S        S  S  S  S  S
Tstms                                     S  S  S


Date           10/14  Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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      49    64      50    72      55    73      49    67
Temp          60 60   53 51 61 61   53 50 68 66   60 56 69 67   55 49 64 61
Dewpt         44 47   50 49 51 51   49 48 54 53   53 51 56 55   53 49 51 48
PWind dir        NE       E     E       E    SE      SE     S       S    SW
Wind char        LT      LT    LT      LT    GN      GN    GN      LT    GN
Avg clouds    B2 B2   B2 B2 B2 B1   B1 B1 B1 SC   SC B1 B1 B1   B1 SC SC SC
PoP 12hr         30      40    10      10    20      20    30      30    20
Rain shwrs     S  C    C  S                S          S  C  C    C  S  S  S
Tstms                                                                     S

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

Date           10/11/25      Sun 10/12/25            Mon 10/13/25            Tue
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                      52          78          60          75          55
Temp          71 64 57 56 54 53 63 75 78 73 68 67 63 61 66 72 74 69 63 61 58 56
Dewpt         54 55 54 53 50 50 54 56 57 56 56 57 57 59 59 58 57 55 53 52 50 49
RH            55 73 90 90 86 89 72 52 48 55 65 70 81 93 78 61 55 61 70 72 75 77
Wind dir      SE SE SE SE SE SE SE  S  S SE SE  S  S SW  N  N  N  N NE NE NE NE
Wind spd       8  6  6  8 10 11 14 18 17 12 11  9  6  6  8  6  6  5  5  5  5  5
Wind gust                       27 28 28 24 21
Clouds        FW FW FW FW SC SC SC FW SC B1 B2 B2 B1 B1 SC SC SC B1 B2 B2 B2 B2
PoP 12hr                      0          10          30          20          10
QPF 12hr                      0           0           0        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S  C  C  S  S                    S


Date           10/14  Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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          65      52    68      53    73      58    76      53    68
Temp          62 63   57 54 65 65   57 54 70 69   63 59 73 70   61 54 66 63
Dewpt         51 52   53 52 54 54   52 50 54 54   53 53 55 55   55 53 53 52
PWind dir        NE      NE     E       E    SE      SE     S       S    SW
Wind char        LT      LT    LT      LT    GN      GN    GN      LT    GN
Avg clouds    B2 B2   B2 B2 B2 B1   B1 B1 SC SC   SC B1 B1 B1   B1 B1 SC SC
PoP 12hr         20      30     5      10    10      10    30      40    30
Rain shwrs     S  S    S  C                              S  C    C  C  S  C
Tstms                                                               S  S  S

$$