Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
430 PM CDT Fri Oct 3 2025

IAZ060-040900-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
430 PM CDT Fri Oct 3 2025

Date           10/03/25      Sat 10/04/25            Sun 10/05/25            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                      68          89          65          86          58
Temp             82 76 72 69 68 77 87 88 83 76 72 68 65 73 83 86 82 73 68 63 59
Dewpt            60 61 61 61 60 59 59 57 54 54 54 53 53 56 58 58 58 60 62 60 56
RH               47 60 68 76 76 54 39 35 37 46 53 59 65 55 43 39 44 64 81 90 90
Wind dir          S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S SW SW NW  N
Wind spd          8  8  8  9 10 14 19 20 16 13 13 13 13 18 20 19 11 10  9  8  8
Wind gust                    20 26 32 34 29          24 29 34 33
Clouds           CL CL CL CL CL CL FW CL CL CL CL CL CL FW FW SC SC B1 B2 B2 B2
PoP 12hr                      0           0           0          20          70
QPF 12hr                      0           0           0           0        0.79
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S  L  L  L  L  L
Tstms                                                          S  C  C  C  S  S


Date           10/06  Tue 10/07/25  Wed 10/08/25  Thu 10/09/25  Fri 10/10/25
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      53    69      47    70      48    72      55    75
Temp          63 64   57 53 66 64   53 47 67 65   54 49 67 67   59 55 72 71
Dewpt         54 53   53 50 47 46   44 41 45 44   43 43 49 50   48 50 55 53
PWind dir         N       N    NE       E     E      SE    SE       S    SW
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    B2 B2   B2 B2 SC FW   FW CL CL FW   FW FW FW SC   SC SC SC SC
PoP 12hr         60      50    10       5     5      20    20      20    20
Rain shwrs     L  C    C  C                           S  S       S  S  S
Tstms          S  S    S  S

$$
IAZ039-040900-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
430 PM CDT Fri Oct 3 2025

Date           10/03/25      Sat 10/04/25            Sun 10/05/25            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                      65          89          63          85          55
Temp             81 72 69 67 66 77 87 87 81 74 70 66 63 72 82 85 80 71 66 60 56
Dewpt            59 60 59 60 60 60 57 55 54 54 53 53 52 55 55 55 56 58 59 56 54
RH               47 66 70 78 81 56 36 34 39 50 55 63 67 55 40 36 44 63 78 87 93
Wind dir          S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S SW NW  N
Wind spd          6  6  6  9  9 14 21 21 18 14 13 14 14 19 21 21 13 12 10 10  9
Wind gust                       25 33 35 29    24       31 36 36 24
Clouds           CL CL CL CL CL CL CL FW CL FW FW CL CL CL FW SC SC B2 B2 B2 B2
PoP 12hr                      0           0           0          20          70
QPF 12hr                      0           0           0           0        0.55
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S  L  L  L  L  C
Tstms                                                          S  C  C  C     S


Date           10/06  Tue 10/07/25  Wed 10/08/25  Thu 10/09/25  Fri 10/10/25
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      48    70      43    70      45    71      51    74
Temp          65 64   55 49 67 64   50 44 67 64   51 46 68 65   56 51 71 68
Dewpt         49 49   48 42 40 41   40 38 41 40   40 40 45 45   46 46 53 51
PWind dir         N       N     N      NE     E      SE     S       S    SW
Wind char        GN      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B2 B2   B2 B1 SC FW   FW CL CL CL   FW FW FW FW   SC SC SC SC
PoP 12hr         40      30     5       0     5      10    10      20    20
Rain shwrs     C  C    C  C                                      S  S  S
Tstms          S  S    S  S

$$
IAZ048-040900-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
430 PM CDT Fri Oct 3 2025

Date           10/03/25      Sat 10/04/25            Sun 10/05/25            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                      66          89          64          85          55
Temp             81 74 70 68 66 77 87 88 82 73 70 66 64 73 82 85 79 70 65 59 55
Dewpt            60 61 61 61 61 60 60 58 55 55 54 53 53 57 58 59 59 60 61 56 52
RH               49 64 73 78 84 56 40 36 40 53 57 63 67 57 44 41 50 71 87 90 90
Wind dir          S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S SW  W  N  N
Wind spd          8  6  6  8 10 14 19 20 16 13 13 13 13 18 19 19 10 10  8  8  8
Wind gust                       27 33 35 27 24 24 24 24 29 35 33
Clouds           CL CL CL CL CL CL FW CL CL CL CL CL CL FW SC SC SC B2 B2 B2 B2
PoP 12hr                      0           5           0          20          70
QPF 12hr                      0           0           0           0        1.12
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S  L  L  L  L  C
Tstms                                                       S  S  C  C  C  S  S


Date           10/06  Tue 10/07/25  Wed 10/08/25  Thu 10/09/25  Fri 10/10/25
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      51    70      45    70      47    72      53    74
Temp          64 64   56 51 68 64   51 45 67 64   52 47 67 67   57 53 71 69
Dewpt         52 51   49 45 43 44   43 39 44 44   43 42 48 49   49 49 55 53
PWind dir         N       N     N       E     E      SE    SE       S    SW
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    B2 B2   B2 B1 SC FW   FW CL CL FW   FW SC FW FW   SC SC SC SC
PoP 12hr         50      40     5       5     5      20    20      20    20
Rain shwrs     C  C    C  C                           S  S       S  S  S
Tstms          S  S    S                                               S

$$
IAZ004-040900-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
430 PM CDT Fri Oct 3 2025

Date           10/03/25      Sat 10/04/25            Sun 10/05/25            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                      67          90          65          84          47
Temp             81 72 70 69 67 76 86 90 84 75 71 68 65 73 81 83 75 61 54 50 48
Dewpt            58 57 58 58 58 60 57 57 55 55 53 51 51 55 54 53 52 48 45 43 41
RH               46 59 66 68 73 58 37 33 37 50 53 54 60 53 39 36 45 62 71 77 77
Wind dir          S  S  S  S  S  S  S  S  S  S  S  S  S  S  S SW SW NW  N  N  N
Wind spd         10 11 12 13 17 21 27 28 23 21 20 21 21 25 26 23 13 13 10  9  8
Wind gust           23 24 26 28 34 39 43 36 32 31    33 37 40 37 24
Clouds           CL CL FW FW FW FW FW CL FW FW CL FW SC FW FW FW SC SC SC SC SC
PoP 12hr                      0           5           0          20          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S
Tstms                                                       S  S


Date           10/06  Tue 10/07/25  Wed 10/08/25  Thu 10/09/25  Fri 10/10/25
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      43    70      41    70      46    72      52    73
Temp          62 60   48 44 67 63   48 42 67 64   50 47 67 66   56 53 69 67
Dewpt         40 38   36 35 38 37   35 36 37 36   39 39 45 48   48 48 53 50
PWind dir         N       N    NW      SE    SE      SE     S       S    SW
Wind char        GN      LT    LT      LT    GN      GN    GN      GN    GN
Avg clouds    SC SC   SC FW FW FW   FW CL CL FW   SC FW FW SC   SC SC SC SC
PoP 12hr         10       5     0       0    10      20    20      20    10
Rain shwrs                                            S  S          S

$$
IAZ035-040900-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
430 PM CDT Fri Oct 3 2025

Date           10/03/25      Sat 10/04/25            Sun 10/05/25            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                      68          89          65          85          52
Temp             81 73 71 69 68 77 86 89 83 74 70 67 65 73 82 84 79 68 60 54 52
Dewpt            59 59 59 60 60 60 59 56 54 55 53 53 52 56 56 55 56 57 52 48 46
RH               47 62 66 73 76 56 40 33 37 51 55 61 63 55 41 37 45 68 75 80 80
Wind dir          S  S  S  S  S  S  S  S  S  S  S  S  S  S  S SW SW SW  N  N  N
Wind spd          9 10 10 11 13 18 23 25 20 18 17 18 18 21 23 20 12 11 10  9  9
Wind gust                 21 25 31 33 36 33 28          33 34 33
Clouds           CL FW CL CL FW FW FW FW FW FW CL FW FW SC SC SC SC B1 B2 B2 B2
PoP 12hr                      5           5           0          30          50
QPF 12hr                      0           0           0           0        0.15
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  C  C  C  C  C  C  C
Tstms                                                       S  C  C  S  C  S


Date           10/06  Tue 10/07/25  Wed 10/08/25  Thu 10/09/25  Fri 10/10/25
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      48    72      43    72      46    72      53    76
Temp          65 64   53 48 69 66   50 44 69 66   51 46 68 67   56 53 72 70
Dewpt         45 42   42 38 39 38   39 37 40 39   41 40 46 48   49 48 53 51
PWind dir         N       N     N      SE    SE      SE     S       S    SW
Wind char        GN      LT    LT      LT    LT      GN    GN      GN    GN
Avg clouds    B1 B1   B1 SC FW FW   FW FW CL FW   SC SC FW SC   SC SC SC SC
PoP 12hr         30      20     5       5    10      20    20      20    10
Rain shwrs     C  S    S                              S  S       S  S

$$
IAZ094-040900-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
430 PM CDT Fri Oct 3 2025

Date           10/03/25      Sat 10/04/25            Sun 10/05/25            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                      65          87          62          85          59
Temp             81 75 70 67 65 75 84 87 81 73 69 65 62 73 82 85 80 73 68 64 60
Dewpt            61 61 62 61 60 59 57 55 53 54 54 54 54 57 58 57 58 58 61 62 60
RH               51 62 76 81 84 58 40 34 38 51 59 68 75 57 44 39 47 59 78 93100
Wind dir          S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S SW  W  N
Wind spd          5  5  6  8  9 13 18 19 13 12 12 12 13 17 19 18 10  8  6  6  6
Wind gust                    20 26 31 32                29 33 32
Clouds           CL CL CL CL CL CL CL CL CL CL CL CL CL FW FW FW SC SC B1 B2 OV
PoP 12hr                      0           0           0          10          60
QPF 12hr                      0           0           0           0        0.46
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                        C  C  L  L  L
Tstms                                                             C  C  C  S  S


Date           10/06  Tue 10/07/25  Wed 10/08/25  Thu 10/09/25  Fri 10/10/25
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      53    67      48    69      49    72      54    74
Temp          65 63   57 54 64 61   53 48 66 63   54 50 68 66   58 55 71 69
Dewpt         59 57   55 53 51 51   47 42 46 46   43 43 50 50   49 50 56 55
PWind dir         N       N    NE      NE     E       E    SE       S    SW
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    B2 B2   B2 B2 B1 SC   FW FW FW FW   FW SC FW FW   SC SC FW FW
PoP 12hr         70      60    20       5     5      20    20      20    20
Rain shwrs     L  C    C  L  S                        S  S          S  S
Tstms          S  S    C  C

$$
IAZ017-040900-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
430 PM CDT Fri Oct 3 2025

Date           10/03/25      Sat 10/04/25            Sun 10/05/25            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                      65          88          63          82          50
Temp             79 71 69 67 65 76 85 88 81 74 70 66 63 70 79 81 76 66 59 54 51
Dewpt            59 59 58 59 59 60 60 58 55 55 52 51 51 55 56 56 56 55 51 47 45
RH               50 66 68 75 81 58 43 36 41 51 53 58 65 59 45 42 50 68 75 77 80
Wind dir          S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S SW SW NW  N  N
Wind spd          8  8  8 10 11 17 23 23 19 18 17 17 18 21 23 21 12 11 10  8  6
Wind gust           18 18 20 24 31 35 36 32 28    27    34 37 35
Clouds           CL CL CL CL CL CL FW CL FW FW FW CL FW FW SC SC B1 B1 B1 B2 B2
PoP 12hr                      0           5           0          30          40
QPF 12hr                      0           0           0           0        0.07
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  C  C  C  C  S  S  S
Tstms                                                       S  C  C  C  S


Date           10/06  Tue 10/07/25  Wed 10/08/25  Thu 10/09/25  Fri 10/10/25
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    69      42    68      44    70      51    71
Temp          63 61   52 45 66 62   48 42 65 62   49 45 66 64   55 51 68 66
Dewpt         45 43   40 36 39 38   36 36 40 39   38 38 45 48   47 46 53 51
PWind dir         N       N    NW      SE    SE      SE     S       S    SW
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    B1 B1   B1 SC FW FW   CL CL CL CL   FW SC FW SC   SC SC SC SC
PoP 12hr         20      10     0       0     5      10    20      20    20
Rain shwrs     S  S                                      S       S  S  S

$$
IAZ049-040900-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
430 PM CDT Fri Oct 3 2025

Date           10/03/25      Sat 10/04/25            Sun 10/05/25            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                      65          88          62          85          55
Temp             80 71 69 67 65 76 85 87 81 73 69 64 62 71 82 84 79 69 65 59 55
Dewpt            59 60 60 60 60 60 59 57 55 53 53 52 52 56 57 57 58 59 60 57 54
RH               49 68 73 78 84 58 41 36 41 49 57 65 70 59 43 40 49 70 84 93 96
Wind dir          S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S SW NW  N
Wind spd          5  5  6  8  9 13 20 20 14 13 12 13 13 19 21 19 11  9  8  8  8
Wind gust                       25 33 33 25    23       29 36 33
Clouds           CL CL CL CL CL CL CL CL CL FW CL CL CL FW FW SC SC B2 B2 B2 B2
PoP 12hr                      0           0           0          20          70
QPF 12hr                      0           0           0           0        1.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S  L  L  L  L  C
Tstms                                                          S  C  C  C  S  S


Date           10/06  Tue 10/07/25  Wed 10/08/25  Thu 10/09/25  Fri 10/10/25
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      49    69      43    69      45    71      51    74
Temp          63 63   55 49 66 63   49 44 66 63   51 46 67 65   55 51 70 68
Dewpt         52 51   49 45 43 43   41 38 43 44   40 39 47 48   46 46 54 52
PWind dir         N       N     N      NE     E      SE     S       S    SW
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    B2 B2   B2 B1 SC FW   FW CL CL FW   FW FW FW FW   SC SC SC SC
PoP 12hr         50      40     5       5     5      10    20      20    20
Rain shwrs     C  C    C  C                              S       S  S  S
Tstms          S  S    S  S                                            S

$$
IAZ086-040900-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
430 PM CDT Fri Oct 3 2025

Date           10/03/25      Sat 10/04/25            Sun 10/05/25            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                      65          89          63          87          62
Temp             81 74 71 68 65 77 86 89 82 73 70 66 63 74 84 86 81 73 71 66 63
Dewpt            60 62 63 61 60 59 57 55 53 55 55 54 53 56 56 55 55 56 58 60 61
RH               49 66 76 78 84 54 37 32 37 53 59 65 70 53 38 35 41 55 63 81 93
Wind dir          S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S SW SW NW
Wind spd          5  5  6  6  8 12 16 14 11 11 11 11 12 17 18 17 10  9  6  6  5
Wind gust                 17 18 24 27 27 21             28 32 29
Clouds           CL CL CL CL CL CL CL CL CL CL CL CL FW CL CL CL FW SC B1 B1 B2
PoP 12hr                      0           0           0           0          50
QPF 12hr                      0           0           0           0        0.18
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                        C  C  C  C  L
Tstms                                                                S  S  S  S


Date           10/06  Tue 10/07/25  Wed 10/08/25  Thu 10/09/25  Fri 10/10/25
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          72      53    69      46    70      47    72      53    75
Temp          69 67   58 54 66 63   53 46 67 64   52 47 69 67   58 54 72 70
Dewpt         60 58   56 53 49 48   45 42 43 44   42 42 47 48   47 48 54 53
PWind dir        NW       N     N      NE     E       E    SE       S    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2   B2 B2 B1 SC   FW FW CL FW   FW FW FW FW   SC SC SC SC
PoP 12hr         60      70    20       5     5      10    10      20    20
Rain shwrs     L  C    L  L  S                                      S  S
Tstms          S  C    C  C

$$