Point Forecast Matrices
Issued by NWS Des Moines, IA

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

IAZ060-060900-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
301 AM CDT Sun Oct 5 2025

Date           10/04/25      Sun 10/05/25            Mon 10/06/25            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                      64          86          58          64          52
Temp                      66 65 72 83 86 83 75 69 64 60 59 61 61 59 57 56 53 51
Dewpt                     54 53 56 58 58 57 60 63 61 56 56 55 54 52 52 52 50 47
RH                        65 65 57 43 39 41 60 81 90 87 90 81 78 78 83 86 89 86
Wind dir                   S  S  S  S  S  S SW  W NW  N  N  N  N  N  N  N  N  N
Wind spd                  13 16 19 19 18 12 10  6  8  8  8  9  9  8  5  5  5  5
Wind gust                 24    31 33 32
Clouds                    CL CL CL FW FW SC B1 B2 OV OV B2 OV B2 B2 B2 B2 B1 SC
PoP 12hr                      0          10          80          70          40
QPF 12hr                      0           0        0.60        0.61        0.09
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  C  L  D  L  L  C  C  C  C  C  C
Tstms                                     S  C  C  S  S              S  S


Date           10/07  Wed 10/08/25  Thu 10/09/25  Fri 10/10/25  Sat 10/11/25
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          66      45    68      50    74      58    74      52    74
Temp          63 61   51 45 66 63   55 51 70 71   62 58 73 71   61 56 74 73
Dewpt         43 45   44 41 45 44   42 43 52 54   55 55 60 57   54 52 56 55
PWind dir         N      NE    SE      SE    SE       S    SW      SE     S
Wind char        LT      LT    LT      LT    GN      LT    GN      LT    GN
Avg clouds    SC FW   FW FW CL FW   FW SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr          5       0     5      20    20      20    10      10    10
Rain shwrs                              S  S       S  S
Tstms                                              S  S

$$
IAZ039-060900-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
301 AM CDT Sun Oct 5 2025

Date           10/04/25      Sun 10/05/25            Mon 10/06/25            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                      62          85          54          64          47
Temp                      66 63 72 82 85 80 72 66 60 56 57 60 60 58 55 53 50 47
Dewpt                     54 53 56 55 55 55 60 62 58 54 52 51 50 50 50 49 46 42
RH                        65 70 57 40 36 42 66 87 93 93 83 72 69 75 83 86 86 83
Wind dir                   S  S  S  S  S  S SW  W NW  N  N  N  N  N  N  N  N  N
Wind spd                  14 17 20 21 21 14 12  9  9  9  9  9  9  6  5  5  5  4
Wind gust                 25    31 35 33
Clouds                    CL CL CL CL FW SC B2 OV OV B2 B2 B2 B2 B2 B2 B1 SC SC
PoP 12hr                      0          10          80          60          30
QPF 12hr                      0           0        0.63        0.28        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  C  D  D  L  L  L  L  C  C
Tstms                                     S  C  C  S


Date           10/07  Wed 10/08/25  Thu 10/09/25  Fri 10/10/25  Sat 10/11/25
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      42    68      46    71      55    73      49    72
Temp          63 60   48 42 66 62   51 47 67 66   58 54 72 68   58 53 71 69
Dewpt         40 41   41 38 41 41   40 40 46 48   50 51 55 53   51 49 53 52
PWind dir         N      NE    SE      SE    SE       S    SW      SE     S
Wind char        LT      LT    LT      GN    GN      GN    GN      LT    GN
Avg clouds    FW FW   FW CL CL FW   FW SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr          5       0     5      20    20      30    10      10    20
Rain shwrs                              S  S  S    C  C                   S

$$
IAZ048-060900-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
301 AM CDT Sun Oct 5 2025

Date           10/04/25      Sun 10/05/25            Mon 10/06/25            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                      63          85          54          63          49
Temp                      64 63 72 82 85 80 70 65 59 56 57 59 60 58 54 53 50 47
Dewpt                     54 52 57 57 58 58 63 63 57 53 53 52 52 51 51 50 48 44
RH                        70 67 59 43 40 47 78 93 93 90 86 78 75 77 90 89 93 89
Wind dir                   S  S  S  S  S  S SW  W  N  N  N  N  N  N  N  N  N  N
Wind spd                  13 14 18 18 18 10  9  6  8  8  9  9  9  6  5  4  4  3
Wind gust                 24 25 32 34 32
Clouds                    CL CL FW SC SC B1 B2 OV OV OV B2 B2 B2 B2 B2 B1 SC SC
PoP 12hr                      0          20          80          70          30
QPF 12hr                      0           0        0.72        0.30        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                C  L  D  D  L  L  C  C  C  C  S  S
Tstms                                     C  C  C


Date           10/07  Wed 10/08/25  Thu 10/09/25  Fri 10/10/25  Sat 10/11/25
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      43    68      48    73      56    74      49    74
Temp          63 60   49 43 66 63   52 49 69 69   60 56 73 69   59 54 73 71
Dewpt         43 45   43 40 44 44   42 42 51 54   55 54 60 56   53 51 56 55
PWind dir         N       E    SE      SE    SE       S    SW      SE     S
Wind char        LT      LT    LT      LT    GN      LT    LT      LT    GN
Avg clouds    FW FW   FW CL CL FW   FW SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr          5       0     5      20    20      30    10      10    10
Rain shwrs                           S  S  S       C  S
Tstms                                              S  S

$$
IAZ004-060900-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
301 AM CDT Sun Oct 5 2025

Date           10/04/25      Sun 10/05/25            Mon 10/06/25            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                      64          83          47          64          43
Temp                      67 65 71 79 82 74 59 54 51 48 54 60 61 58 51 47 44 42
Dewpt                     55 51 54 54 54 54 48 43 42 41 43 41 40 40 39 37 36 35
RH                        65 60 55 42 38 50 67 66 71 77 66 49 46 51 63 68 73 76
Wind dir                   S  S  S SW SW SW  N  N  N  N  N  N  N  N  N NW NW NW
Wind spd                  20 21 25 26 21 12 13 11 10  9 10 10  8  5  3  3  3  3
Wind gust                 33 34 36 37 32    24
Clouds                    CL SC SC SC B1 B1 SC B1 B1 B1 SC B1 B2 B1 SC FW FW FW
PoP 12hr                      5          40          20          20           5
QPF 12hr                      0           0        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             C  S           S  S  S  S
Tstms                                  S


Date           10/07  Wed 10/08/25  Thu 10/09/25  Fri 10/10/25  Sat 10/11/25
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          68      42    70      48    74      52    73      48    74
Temp          65 62   48 42 68 64   51 49 69 68   59 54 72 69   56 53 73 70
Dewpt         38 38   36 36 40 39   40 41 48 52   53 52 54 50   49 48 52 51
PWind dir        NW      SE     S       S     S       S    NW       S     S
Wind char        LT      LT    GN      GN    BZ      GN    GN      LT    GN
Avg clouds    FW FW   FW FW CL FW   FW SC SC SC   SC SC SC SC   SC SC SC FW
PoP 12hr          0       0     5      20    20      20    10      10    10
Rain shwrs                           S  S  S  S    S
Tstms                                      S  S    S

$$
IAZ035-060900-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
301 AM CDT Sun Oct 5 2025

Date           10/04/25      Sun 10/05/25            Mon 10/06/25            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                      64          84          51          64          46
Temp                      66 64 71 81 83 77 67 58 55 52 55 60 61 58 53 50 46 44
Dewpt                     55 52 55 56 56 57 59 53 49 46 47 46 46 46 46 45 42 40
RH                        68 65 57 42 40 50 75 83 80 80 74 60 58 64 77 83 86 86
Wind dir                   S  S  S  S SW SW  W  N  N  N  N  N  N  N  N  N  N  N
Wind spd                  17 18 20 21 19 11 10 10 10 10 10 10  9  5  4  3  3  2
Wind gust                 28 29 33 33 31
Clouds                    CL FW B1 B1 B1 B2 B2 OV OV B2 B1 B2 B2 B2 B1 SC SC FW
PoP 12hr                      0          50          60          50          10
QPF 12hr                      0        0.09        0.17        0.12           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S  L  C  C  C  C  C  C  C
Tstms                                  S  C  S


Date           10/07  Wed 10/08/25  Thu 10/09/25  Fri 10/10/25  Sat 10/11/25
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      42    71      48    75      54    76      49    75
Temp          65 62   48 43 68 64   52 49 70 69   59 55 73 70   57 54 74 72
Dewpt         39 41   41 38 41 41   42 42 49 52   55 54 56 53   51 49 53 52
PWind dir         N      SE    SE      SE     S       S     W       S     S
Wind char        LT      LT    GN      GN    GN      LT    GN      LT    GN
Avg clouds    FW FW   FW FW FW FW   FW SC SC SC   SC SC SC FW   SC SC SC SC
PoP 12hr          0       0     5      20    20      20    10      10    10
Rain shwrs                           S  S  S  S    S  S
Tstms                                         S    S  S

$$
IAZ094-060900-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
301 AM CDT Sun Oct 5 2025

Date           10/04/25      Sun 10/05/25            Mon 10/06/25            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                      61          85          60          69          52
Temp                      62 62 72 82 85 79 73 69 65 62 64 68 68 60 57 56 54 52
Dewpt                     54 54 57 58 57 56 57 59 60 60 60 60 59 56 56 55 53 51
RH                        75 75 59 44 39 45 57 70 84 93 87 76 73 87 96 96 96 96
Wind dir                   S  S  S  S  S  S  S SW NW  N  N  N  N  N  N  N  N  N
Wind spd                  11 13 18 18 18 10  9  5  5  5  5  6  8  8  6  6  6  8
Wind gust                 23 24 29 32 29
Clouds                    CL CL CL CL FW FW FW B1 B1 B2 B2 B2 B2 B2 B2 OV B2 B1
PoP 12hr                      0           0          40          70          60
QPF 12hr                      0           0        0.06        0.43        0.24
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S  L  L  L  L  L  L  L  L
Tstms                                           S  S        S  S  S  C  C  S


Date           10/07  Wed 10/08/25  Thu 10/09/25  Fri 10/10/25  Sat 10/11/25
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      47    68      52    74      57    74      51    74
Temp          62 59   51 45 65 62   54 52 69 69   62 58 74 70   61 56 74 72
Dewpt         46 46   44 41 44 45   43 45 54 56   55 56 60 58   56 53 56 55
PWind dir        NE      NE     E      SE    SE       S     S      SE     S
Wind char        LT      LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    B1 SC   FW FW FW FW   FW SC SC SC   SC SC SC FW   FW SC SC FW
PoP 12hr         10       0     5      10    20      20    10      10    20
Rain shwrs                                 S  S    S  S                S
Tstms                                              S  S

$$
IAZ017-060900-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
301 AM CDT Sun Oct 5 2025

Date           10/04/25      Sun 10/05/25            Mon 10/06/25            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                      62          82          50          63          44
Temp                      65 63 70 79 82 75 65 57 54 52 55 61 61 57 52 50 46 43
Dewpt                     55 51 54 55 56 58 58 51 47 45 46 46 44 44 44 42 38 36
RH                        70 65 57 44 41 55 78 80 77 77 72 58 53 62 74 74 73 76
Wind dir                   S  S  S  S SW SW SW  N  N  N  N  N  N  N  N  N  N  N
Wind spd                  16 18 21 21 19 11 10  9  9  8  9  8  6  4  3  3  2  2
Wind gust                 28 29 34 35 33       19
Clouds                    CL CL SC SC B1 B2 B2 B2 OV B2 B1 B2 B2 B2 B1 SC SC FW
PoP 12hr                      0          60          60          40           5
QPF 12hr                      0        0.11        0.27        0.07           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S  L  C  S  S  C  C  C  C
Tstms                                  S  C  S


Date           10/07  Wed 10/08/25  Thu 10/09/25  Fri 10/10/25  Sat 10/11/25
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          66      41    68      46    70      52    71      48    72
Temp          63 60   47 42 65 61   50 46 67 65   57 53 70 67   56 52 71 68
Dewpt         38 39   38 36 41 41   40 40 47 49   51 51 54 51   49 48 53 52
PWind dir         N      SE    SE      SE     S       S     W      SE     S
Wind char        LT      LT    LT      GN    GN      LT    GN      LT    GN
Avg clouds    FW FW   FW FW FW FW   FW SC SC SC   SC B1 SC SC   SC SC SC SC
PoP 12hr          0       0     5      20    30      20    10      10    20
Rain shwrs                           S  S  S  C    S                      S

$$
IAZ049-060900-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
301 AM CDT Sun Oct 5 2025

Date           10/04/25      Sun 10/05/25            Mon 10/06/25            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                      62          85          54          63          48
Temp                      65 62 72 82 84 80 70 65 60 56 57 60 60 58 54 53 49 47
Dewpt                     53 53 57 57 57 57 59 62 58 54 54 53 52 51 50 50 47 43
RH                        65 72 59 43 40 45 68 90 93 93 90 78 75 77 86 89 93 86
Wind dir                   S  S  S  S  S  S SW  W  N  N  N  N  N  N  N  N  N  N
Wind spd                  13 14 19 21 19 11 10  6  8  8  8  9  8  5  5  4  4  4
Wind gust                       31 35 32
Clouds                    CL CL CL FW FW SC B1 OV OV B2 B2 B2 B2 B2 B2 B2 SC SC
PoP 12hr                      0          10          90          70          30
QPF 12hr                      0           0        0.58        0.35        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  C  D  D  L  L  L  L  C  C  S  S
Tstms                                     S  C  C  S


Date           10/07  Wed 10/08/25  Thu 10/09/25  Fri 10/10/25  Sat 10/11/25
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      42    68      46    72      55    73      48    73
Temp          63 60   48 42 65 61   51 47 68 66   58 54 72 69   57 53 73 70
Dewpt         41 44   41 38 43 43   40 40 49 51   51 51 57 55   52 49 54 54
PWind dir         N      NE    SE      SE    SE       S     W      SE     S
Wind char        LT      LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    SC FW   FW CL CL FW   FW SC SC SC   SC SC SC SC   FW SC SC SC
PoP 12hr          5       0     5      20    20      30    10      10    20
Rain shwrs                              S  S  S    C  S                S
Tstms                                                 S

$$
IAZ086-060900-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
301 AM CDT Sun Oct 5 2025

Date           10/04/25      Sun 10/05/25            Mon 10/06/25            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                      62          86          61          73          53
Temp                      63 62 73 83 86 80 73 70 66 62 68 71 71 64 59 57 54 53
Dewpt                     54 55 58 57 55 55 57 57 58 60 61 60 59 58 57 55 54 51
RH                        72 78 59 41 35 42 57 63 75 93 78 68 66 81 93 93100 93
Wind dir                   S  S  S  S  S  S  S  S SW NW  N  N  N  N  N  N  N  N
Wind spd                  11 12 16 17 16 10 10  8  5  5  5  6  8  8  6  5  6  6
Wind gust                 23 24 29 31 28    20 18
Clouds                    FW SC CL CL CL CL FW SC SC B1 B1 B2 B1 B1 B2 B2 B2 B2
PoP 12hr                      0           0          30          50          70
QPF 12hr                      0           0           0        0.10        0.36
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  C  C  L  L  L  L
Tstms                                                       S  S     S  S


Date           10/07  Wed 10/08/25  Thu 10/09/25  Fri 10/10/25  Sat 10/11/25
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          66      46    69      48    75      57    76      51    74
Temp          64 60   51 45 67 64   53 50 71 69   60 56 74 72   61 56 75 73
Dewpt         44 44   44 41 42 43   42 42 49 50   52 54 57 57   54 51 53 54
PWind dir         N      NE     E      SE    SE       S    SW      SE     S
Wind char        LT      LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    B1 SC   FW CL CL CL   FW FW SC FW   SC SC SC SC   SC SC SC SC
PoP 12hr         10       0     5      20    20      30    10      10    20
Rain shwrs                              S  S  S    S  C                S
Tstms                                                 S

$$