Point Forecast Matrices
Issued by NWS Des Moines, IA

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
396
FOUS53 KDMX 291747
PFMDMX

Point Forecast Matrices
National Weather Service Des Moines IA
1246 PM CDT Fri Aug 29 2025

IAZ060-292100-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
1246 PM CDT Fri Aug 29 2025

Date             Fri 08/29/25            Sat 08/30/25            Sun 08/31/25
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          60          83          63          74
Temp                   81 82 78 71 67 63 60 73 81 81 77 70 68 67 65 68 72 72 70
Dewpt                  60 59 61 62 61 60 59 62 61 60 62 62 62 62 61 61 62 61 60
RH                     49 46 56 73 81 90 96 68 51 49 60 76 81 84 87 78 71 68 71
Wind dir                S  S SE  E SE SE SE SE SE  E  E  E  E  E  E  E  E  E  E
Wind spd                3  3  4  4  4  3  3  4  5  5  6  5  5  4  4  5  6  6  6
Clouds                 SC B1 B1 B1 B1 SC SC SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                      5           5          10          20          30
QPF 12hr                      0           0           0        0.42        0.89
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S  C  C  C  C  S
Tstms                                                       S     S     S  S  S


Date          Mon 09/01/25  Tue 09/02/25  Wed 09/03/25  Thu 09/04/25
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          61    73      58    76      57    72      47    68
Temp          64 62 70 70   62 59 72 73   62 59 69 65   54 49 65 64
Dewpt         61 60 59 58   58 57 59 59   58 56 54 50   48 45 44 44
PWind dir         E    SE      NE     N       W    NW      NW    NW
Wind char        LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B2 B2 B1 B1   B1 B1 B1 SC   SC SC B1 SC   SC SC SC SC
PoP 12hr         40    20      10    10      30    30      10     5
Rain shwrs     S  C  S          S             C  C  S
Tstms          S  S  S          S             S

$$
IAZ039-292100-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
1246 PM CDT Fri Aug 29 2025

Date             Fri 08/29/25            Sat 08/30/25            Sun 08/31/25
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                      79          58          78          59          75
Temp                   77 79 74 65 62 59 58 68 76 76 73 66 63 61 60 67 72 74 71
Dewpt                  63 63 64 63 61 59 58 63 64 64 64 63 62 60 59 61 62 61 61
RH                     62 58 71 93 97100100 84 66 66 73 90 97 97 96 81 71 64 71
Wind dir                S  W SW SE SE SE SE SE SE  E  E  E  E  E  E SE SE SE SE
Wind spd                4  4  3  4  3  3  3  4  5  4  4  3  3  3  3  5  5  5  4
Clouds                 B1 B1 B1 SC B1 SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
PoP 12hr                     20          10          20          10          20
QPF 12hr                   0.01        0.05        0.01           0        0.05
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S                       S                    S  S
Tstms                      S                       S                    S  S
Obvis                              PF PF


Date          Mon 09/01/25  Tue 09/02/25  Wed 09/03/25  Thu 09/04/25
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          58    73      55    76      56    67      45    65
Temp          61 59 71 69   59 57 74 71   60 58 64 61   50 46 62 60
Dewpt         59 57 58 58   56 55 58 59   57 56 55 49   47 43 44 44
PWind dir        SE    SE       E    SW       W    NW      NW    NW
Wind char        LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B1 B1 B1 SC   SC SC SC SC   SC B1 B1 B1   SC SC SC SC
PoP 12hr         10    10      10    10      30    30      10     5
Rain shwrs                                    C  C  S
Tstms                                         S

$$
IAZ048-292100-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
1246 PM CDT Fri Aug 29 2025

Date             Fri 08/29/25            Sat 08/30/25            Sun 08/31/25
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          59          81          61          74
Temp                   81 80 76 69 65 62 59 71 78 79 75 68 65 64 63 68 72 72 70
Dewpt                  61 60 62 63 62 61 59 64 63 63 63 63 63 61 61 62 62 62 61
RH                     51 51 62 81 90 97100 79 60 58 66 84 93 90 93 81 71 71 73
Wind dir               SW SW SE  E SE SE SE SE SE SE  E  E  E  E  E  E SE SE  E
Wind spd                4  4  3  3  3  3  2  3  5  5  5  4  4  3  3  5  6  6  5
Clouds                 SC B1 B1 B1 B1 B1 SC B1 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                      5           5          10          20          30
QPF 12hr                      0           0        0.02        0.31        0.40
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S     S  S  C  C  S  S  S
Tstms                                                 S     S           S  S  S
Obvis                                 PF


Date          Mon 09/01/25  Tue 09/02/25  Wed 09/03/25  Thu 09/04/25
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          59    73      56    76      56    70      45    67
Temp          63 60 70 69   60 57 72 72   60 58 66 63   51 47 64 63
Dewpt         61 59 60 59   58 57 59 60   58 57 54 50   47 43 44 46
PWind dir         E    SE       E    NW       W    NW      NW    NW
Wind char        LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    B2 B2 B1 B1   B1 B1 B1 SC   SC B1 B1 SC   FW SC SC SC
PoP 12hr         30    20      20    10      30    30      10     5
Rain shwrs     S  C  S          S             C  C
Tstms          S  C             S             S

$$
IAZ004-292100-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
1246 PM CDT Fri Aug 29 2025

Date             Fri 08/29/25            Sat 08/30/25            Sun 08/31/25
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                      79          59          76          58          74
Temp                   77 78 73 65 62 60 59 68 74 75 72 64 62 60 60 66 70 72 69
Dewpt                  61 60 61 61 60 59 59 62 62 62 63 61 60 59 59 62 62 63 62
RH                     58 54 66 87 93 96100 81 66 64 73 90 93 96 96 87 76 73 78
Wind dir               SW  S SE SE  S SE SE SE SE SE  E  E  E  E SE SE SE SE SE
Wind spd                4  5  5  3  3  4  2  3  5  5  5  4  4  4  4  5  8  8  5
Clouds                 SC B1 B1 SC B1 B1 B1 B1 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2
PoP 12hr                      5          10          20          20          40
QPF 12hr                      0           0        0.02           0        0.28
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S  S  S  S  S  C  C  C  C  S
Tstms                                           S  S  S  S              S  C
Obvis                              PF


Date          Mon 09/01/25  Tue 09/02/25  Wed 09/03/25  Thu 09/04/25
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          58    71      56    74      53    65      44    64
Temp          60 59 68 68   58 57 71 70   59 55 61 60   49 45 60 60
Dewpt         60 58 61 61   58 56 60 60   57 53 49 47   43 40 43 45
PWind dir        SE    SE       S    SW       W     N      NW    NW
Wind char        LT    LT      LT    LT      GN    BZ      GN    GN
Avg clouds    B2 B2 B1 B1   B1 B1 SC SC   B1 B1 B1 SC   SC SC SC SC
PoP 12hr         30    30      20    30      50    20      10     5
Rain shwrs     S  C  C  S       S  S  C    C  C  S
Tstms             C     S             S    C

$$
IAZ035-292100-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
1246 PM CDT Fri Aug 29 2025

Date             Fri 08/29/25            Sat 08/30/25            Sun 08/31/25
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                      81          59          79          60          75
Temp                   79 79 75 66 64 61 59 71 78 78 74 65 63 62 61 67 72 72 69
Dewpt                  61 60 61 63 62 60 59 63 62 63 64 63 62 61 60 63 62 62 62
RH                     54 52 62 90 93 97100 76 58 60 71 93 97 97 97 87 71 71 78
Wind dir               SW  S  S SE SE SE SE SE SE SE  E  E  E  E  E SE SE SE SE
Wind spd                5  5  4  4  3  3  2  3  4  5  5  4  4  4  4  5  6  8  5
Clouds                 SC B1 B1 B1 B1 B1 B1 SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                      5          10          20          30          30
QPF 12hr                      0           0        0.04        0.12        0.31
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S     S  S  C  C  C  C  C  C  S
Tstms                                                 S  S  S           S  S  S
Obvis                              PF PF


Date          Mon 09/01/25  Tue 09/02/25  Wed 09/03/25  Thu 09/04/25
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          59    73      56    76      55    68      45    67
Temp          61 60 70 69   59 57 72 71   60 57 64 62   50 45 63 62
Dewpt         61 59 60 60   58 57 60 60   57 55 52 49   45 42 43 45
PWind dir        SE    SE      SE    SW       W    NW      NW    NW
Wind char        LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    B2 B2 B1 B1   B1 B1 B1 SC   SC B1 B1 SC   SC SC SC SC
PoP 12hr         30    20      20    20      40    20      10     5
Rain shwrs     S  C  S  S       S     S    C  C  S
Tstms          S  C     S       S     S       S

$$
IAZ094-292100-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
1246 PM CDT Fri Aug 29 2025

Date             Fri 08/29/25            Sat 08/30/25            Sun 08/31/25
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          60          83          63          74
Temp                   80 81 77 69 66 63 60 74 81 81 76 70 68 67 64 68 72 72 69
Dewpt                  59 58 58 60 59 58 58 61 58 58 60 60 61 61 60 61 61 61 62
RH                     49 46 52 73 78 84 93 64 46 46 58 71 78 81 87 78 68 68 78
Wind dir                S  S  S SE SE SE SE SE  S SE SE  E  E  E SE SE SE SE  E
Wind spd                4  4  4  3  2  2  3  4  5  5  4  4  4  5  5  5  5  5  5
Clouds                 FW SC SC SC SC SC SC SC SC B2 B2 B2 B2 OV OV B2 B2 B2 B2
PoP 12hr                      0           5          10          20          40
QPF 12hr                      0           0           0        0.05        0.23
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S  C  C  C  C
Tstms                                                          S  C  S  C  C


Date          Mon 09/01/25  Tue 09/02/25  Wed 09/03/25  Thu 09/04/25
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          60    71      58    73      56    72      47    68
Temp          63 61 68 68   62 59 71 70   60 57 68 65   52 47 65 64
Dewpt         61 59 59 58   58 57 58 60   58 56 56 54   49 45 43 44
PWind dir         E    SE       E    NE      NW    NW      NW    NW
Wind char        LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    B2 B2 B2 B1   B1 B1 B1 B1   SC SC SC SC   SC FW FW FW
PoP 12hr         40    40      10    10      10    30      10     5
Rain shwrs        C  C  S       S             S  C  S
Tstms             C  S          S             S

$$
IAZ017-292100-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
1246 PM CDT Fri Aug 29 2025

Date             Fri 08/29/25            Sat 08/30/25            Sun 08/31/25
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                      78          57          76          58          74
Temp                   76 78 73 63 61 59 59 67 74 76 72 64 61 60 59 66 72 72 69
Dewpt                  63 62 62 62 61 59 58 63 65 64 64 62 60 59 59 62 62 62 61
RH                     64 58 68 97100100 96 87 74 66 76 93 97 96100 87 71 71 76
Wind dir               SW  W SW SE SE SE SE SE SE  E  E  E  E  E  E SE SE SE SE
Wind spd                4  4  3  2  2  2  2  2  3  4  3  2  2  2  2  4  5  5  4
Clouds                 SC B1 B1 SC B1 B1 B1 B1 B1 B1 B2 B1 B1 B1 B2 B1 B1 B1 B1
PoP 12hr                      5          10          20          10          30
QPF 12hr                      0           0        0.02           0        0.08
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S                    C  C
Tstms                                           S  S                       S
Obvis                           PF PF PF


Date          Mon 09/01/25  Tue 09/02/25  Wed 09/03/25  Thu 09/04/25
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          57    72      55    74      53    65      43    63
Temp          60 58 70 69   58 57 72 70   59 56 62 60   47 45 60 59
Dewpt         58 57 61 59   56 55 60 60   57 55 52 48   44 41 44 45
PWind dir        SE    SE       S    SW       W    NW      NW    NW
Wind char        LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B1 B2 B1 B1   SC B1 SC SC   SC B2 B1 SC   SC SC SC SC
PoP 12hr         10    20      10    20      40    30      10     5
Rain shwrs              S             S    C  C  C  S
Tstms                                         S

$$
IAZ049-292100-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
1246 PM CDT Fri Aug 29 2025

Date             Fri 08/29/25            Sat 08/30/25            Sun 08/31/25
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                      80          58          79          59          74
Temp                   79 80 75 66 62 60 58 68 77 78 73 66 63 61 61 66 71 72 69
Dewpt                  61 62 62 63 61 60 58 63 63 63 64 63 61 60 59 62 62 61 61
RH                     54 54 64 90 97100100 84 62 60 73 90 93 97 93 87 73 68 76
Wind dir               SW  W  N  E SE SE  E SE SE SE  E  E  E  E  E SE SE SE  E
Wind spd                4  3  3  4  3  3  3  3  4  4  4  4  3  3  3  5  5  5  4
Clouds                 SC B1 B1 SC B1 B1 SC SC B1 B2 B2 B1 B1 B1 B1 B1 B2 B2 B1
PoP 12hr                     10          10          10          20          20
QPF 12hr                      0           0        0.02        0.08        0.38
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S  S  S  S  S
Tstms                                                       S  S        S  S
Obvis                              PF PF


Date          Mon 09/01/25  Tue 09/02/25  Wed 09/03/25  Thu 09/04/25
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          58    71      55    75      55    67      45    65
Temp          61 59 69 68   58 56 72 71   59 57 64 61   50 46 62 61
Dewpt         59 57 59 58   56 54 59 59   57 55 55 49   47 43 44 45
PWind dir         E    SE      NE    NW       W    NW      NW    NW
Wind char        LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B2 B2 B1 B1   SC SC SC SC   SC SC B1 SC   FW SC SC SC
PoP 12hr         20    20      10    10      30    30      20     5
Rain shwrs        S  S                        C  C  S    S  S
Tstms             S                           S

$$
IAZ086-292100-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
1246 PM CDT Fri Aug 29 2025

Date             Fri 08/29/25            Sat 08/30/25            Sun 08/31/25
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          59          83          62          75
Temp                   80 82 77 69 64 61 59 73 80 80 77 69 67 65 64 68 72 73 71
Dewpt                  62 61 62 63 62 60 59 63 62 62 63 63 62 61 60 61 60 60 61
RH                     54 49 60 81 93 97100 71 54 54 62 81 84 87 87 78 66 64 71
Wind dir                S SE  E  E SE SE SE SE SE  E  E  E  E  E  E  E  E  E  E
Wind spd                3  3  3  5  4  4  4  4  4  5  5  5  5  4  4  5  5  5  5
Clouds                 SC B1 B1 SC SC SC SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     20          20          10          20          20
QPF 12hr                      0           0        0.01        0.13        0.50
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S     S                             S  S  S  S  S  S
Tstms                                                       S     S        S


Date          Mon 09/01/25  Tue 09/02/25  Wed 09/03/25  Thu 09/04/25
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          59    73      56    76      56    73      47    68
Temp          64 60 70 69   61 58 73 71   60 58 69 65   53 49 64 64
Dewpt         59 57 57 57   56 56 58 59   58 56 57 53   49 46 44 45
PWind dir         E    SE       E    NE      NW    NW      NW    NW
Wind char        LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B2 B2 B1 B1   SC B1 B1 SC   SC SC SC SC   FW SC SC FW
PoP 12hr         30    20      10    10      20    40      20    10
Rain shwrs        C  S          S             S  C  C    S
Tstms                                         S

$$