Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
853 PM CDT Thu Jun 4 2026

IAZ060-050900-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
853 PM CDT Thu Jun 4 2026

Date           06/04/26      Fri 06/05/26            Sat 06/06/26            Sun
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          66          88          67
Temp                67 69 68 67 75 81 85 85 77 72 69 68 77 84 86 87 78 74 71 69
Dewpt               66 66 66 66 68 70 70 70 69 68 66 66 69 72 71 70 69 69 67 67
RH                  97 90 93 97 79 69 61 61 76 87 90 93 76 67 61 57 74 84 87 93
Wind dir             E SE  S SW SW SW SW  S  S  W SW SW SW  S  S SE SE  S  S SE
Wind spd             5  9 11  9  9  8  9  8  6  6  4  3  3  4  5  5  5  5  4  4
Clouds              B2 B2 B2 B2 B2 SC SC B1 B1 B2 B2 B1 B1 B1 B1 SC SC B1 B1 B1
PoP 12hr                    100          20          80          20          20
QPF 12hr                   1.06           0        0.47           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           D  D  C              S  L  L  C  S  S  S  S  S  S  S  S  C
Tstms                L  L  C              S  C  C  C        S  S  S  S  S     S
Heat index                            90                   89 92 92
Max heat                           86    93    88          90    94    90
Flood                A  A  A


Date           06/07  Mon 06/08/26  Tue 06/09/26  Wed 06/10/26  Thu 06/11/26
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          85      67    86      68    91      71    95      73    96
Temp          82 83   73 70 83 84   74 71 87 90   77 74 92 93   80 76 93 94
Dewpt         71 69   68 68 73 72   70 69 74 73   71 70 77 75   72 71 75 73
PWind dir        SE      SE     S      SE     S       S     S       S     S
Wind char        GN      GN    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B1 B2   B2 B2 B2 B1   B1 B1 B1 SC   FW SC SC FW   FW FW FW FW
PoP 12hr         70      70    60      50    20      20     5      10    10
Rain shwrs     C  L    L  L  C  L    C  S     S    S  S
Tstms          C  L    C  C  C  C    C  S     S    S  S

$$
IAZ039-050900-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
853 PM CDT Thu Jun 4 2026

Date           06/04/26      Fri 06/05/26            Sat 06/06/26            Sun
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          84          63          86          65
Temp                67 68 65 65 72 79 83 82 74 69 66 66 75 84 86 84 75 71 67 66
Dewpt               65 65 64 64 66 68 67 67 67 66 64 64 67 68 67 66 66 66 64 64
RH                  93 90 97 97 81 69 59 61 79 90 93 93 76 59 53 55 74 84 90 93
Wind dir            SW  S  S  S SW  W SW SW SW SW SW SW  W  S  S SE SE  E SE SE
Wind spd             6  6 10  9  9  9 10  8  4  5  4  3  2  3  4  5  4  5  5  6
Clouds              OV OV B2 B2 B1 SC FW SC SC B2 B1 SC SC SC SC SC B1 B1 B1 B2
PoP 12hr                    100          30          60          10          20
QPF 12hr                   1.13        0.04        0.28           0        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           D  L  C  C           C  C  L  S              S  S  S  S
Tstms                L  L  C  C           C  C  C                 S  S     S
Flood                A  A  A


Date           06/07  Mon 06/08/26  Tue 06/09/26  Wed 06/10/26  Thu 06/11/26
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          86      66    84      66    89      69    94      71    95
Temp          84 82   71 68 82 82   72 69 87 88   74 71 91 92   78 74 92 92
Dewpt         70 67   66 66 72 70   68 67 72 71   69 68 75 73   70 68 74 72
PWind dir        SE      SE    SE      SE    SE      SE     S       S     S
Wind char        GN      GN    GN      LT    GN      LT    GN      GN    GN
Avg clouds    B2 B2   B1 B2 B2 B1   SC B1 B1 SC   FW SC SC SC   FW FW FW FW
PoP 12hr         60      60    70      50    20      20     5      10    10
Rain shwrs        L    C  L  L  L    C  S     S    S  S
Tstms             C    C  C  C  C    C  S     S    S  S

$$
IAZ048-050900-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
853 PM CDT Thu Jun 4 2026

Date           06/04/26      Fri 06/05/26            Sat 06/06/26            Sun
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          86          64          88          66
Temp                66 68 66 67 74 80 84 84 75 71 67 67 76 83 86 87 77 73 69 68
Dewpt               66 65 65 65 68 69 69 69 68 66 65 66 69 70 70 70 69 68 66 67
RH                 100 90 97 93 82 69 61 61 79 84 93 97 79 65 59 57 76 84 90 97
Wind dir            SE SE  S  W SW SW  S  S  S  S SW SW  S  S  S SE SE SE SE SE
Wind spd             3  6  8  6  8  8  9  6  5  5  4  2  2  4  6  5  5  5  4  4
Clouds              OV B2 B2 B1 B2 SC SC SC B1 B2 B2 B1 B1 B1 SC SC SC B1 B1 B2
PoP 12hr                     90          20          50          20          20
QPF 12hr                   0.84           0        0.60           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           D  L  C              S  C  C  S        S  S  S  S  S  S  C
Tstms                L  L  C              S  C  C  S           S  S  S  S     S
Heat index                                                    91 92
Max heat                           83    91    87          88    94    88
Flood                A  A  A


Date           06/07  Mon 06/08/26  Tue 06/09/26  Wed 06/10/26  Thu 06/11/26
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          86      66    86      66    90      70    95      72    96
Temp          82 82   72 70 82 84   73 70 86 89   76 73 91 93   79 75 92 94
Dewpt         71 69   68 68 73 72   69 69 73 73   70 70 76 75   71 70 75 73
PWind dir        SE      SE    SE      SE     S       S     S       S     S
Wind char        GN      GN    GN      LT    LT      GN    GN      GN    GN
Avg clouds    B1 B2   B2 B2 B2 B1   B1 B1 B1 SC   SC SC SC SC   FW FW FW FW
PoP 12hr         60      70    60      50    20      20     5      10    10
Rain shwrs     C  L    L  L  C  L    C  S     S    S
Tstms          C  C    C  C  C  C    C  S     S    S

$$
IAZ004-050900-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
853 PM CDT Thu Jun 4 2026

Date           06/04/26      Fri 06/05/26            Sat 06/06/26            Sun
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                      60          83          60          86          65
Temp                67 63 62 64 72 78 81 81 71 66 62 63 75 82 86 85 75 70 66 69
Dewpt               63 62 62 62 64 64 66 64 63 61 60 61 64 64 65 64 64 64 63 65
RH                  87 97100 93 76 62 60 56 76 84 93 93 69 55 50 50 69 81 90 87
Wind dir             S  S  S SW  W  W  W  W NE  N  N NE NE  E SE SE SE SE SE SE
Wind spd             8  6  4  4  5  5  8  8  5  4  4  5  5  6  9 10  9 10 10 11
Clouds              B1 SC B1 B1 SC SC SC FW SC SC FW SC FW FW FW FW SC B1 B1 B1
PoP 12hr                     10          30          30          10          10
QPF 12hr                      0           0        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             C  C
Tstms                                  C  C


Date           06/07  Mon 06/08/26  Tue 06/09/26  Wed 06/10/26  Thu 06/11/26
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          85      65    84      65    87      69    92      71    93
Temp          82 81   71 69 80 82   70 68 83 85   74 72 87 90   77 74 88 90
Dewpt         68 68   66 66 70 70   66 65 70 71   67 68 74 73   69 68 72 71
PWind dir         S      SE     S      SE    SE      SE     S       S     S
Wind char        BZ      GN    GN      LT    GN      GN    BZ      BZ    BZ
Avg clouds    B1 B1   B1 B2 B2 B1   B1 B1 B1 SC   FW SC B1 FW   FW SC SC FW
PoP 12hr         40      60    60      40    20      20     5      20    10
Rain shwrs        C    C  L  C  L    C  S  S  S    S             S
Tstms             C    C  C  C  C    C  S     S    S             S

$$
IAZ035-050900-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
853 PM CDT Thu Jun 4 2026

Date           06/04/26      Fri 06/05/26            Sat 06/06/26            Sun
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          86          62          88          65
Temp                66 65 64 65 74 79 84 84 73 68 64 65 76 83 87 86 76 71 68 68
Dewpt               65 64 64 64 66 67 67 67 66 64 63 64 67 67 67 68 67 66 66 66
RH                  97 97100 97 76 67 57 57 79 87 97 97 74 59 52 55 74 84 93 93
Wind dir             S  S  S  W  W SW SW SW  S  S SW  S  E SE SE SE SE SE SE SE
Wind spd             6  5  4  4  4  4  6  5  3  3  2  2  3  4  5  6  5  5  6  6
Clouds              OV OV B2 B2 B1 FW SC SC B2 B1 SC B1 SC SC SC SC SC B1 B1 B1
PoP 12hr                     20          20          40          10          20
QPF 12hr                   0.13           0        0.13           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  S  S           S  C  C  S  S                    S  S  S
Tstms                S  S  S           S  C  C  S  S                    S  S  S


Date           06/07  Mon 06/08/26  Tue 06/09/26  Wed 06/10/26  Thu 06/11/26
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          86      65    85      65    89      69    95      71    95
Temp          82 81   71 69 80 83   71 69 84 87   75 72 89 92   78 74 90 92
Dewpt         70 68   67 67 71 71   68 67 72 72   69 69 75 74   71 70 74 72
PWind dir        SE      SE    SE      SE    SE      SE     S       S     S
Wind char        GN      GN    LT      LT    LT      GN    BZ      GN    GN
Avg clouds    B1 B1   B2 B2 B2 B1   B1 B1 B1 SC   SC B1 SC FW   FW SC FW FW
PoP 12hr         50      70    50      40    20      20     5      10    10
Rain shwrs     S  C    C  L  C  C    C  S     S    S  S
Tstms          S  C    C  C  C  C    C  S     S    S  S

$$
IAZ094-050900-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
853 PM CDT Thu Jun 4 2026

Date           06/04/26      Fri 06/05/26            Sat 06/06/26            Sun
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          85          66          86          67
Temp                71 68 67 66 74 80 84 83 75 71 68 69 77 84 86 83 75 72 69 68
Dewpt               65 66 66 65 68 70 70 72 69 68 66 67 70 72 71 71 69 67 66 67
RH                  81 93 97 97 82 72 63 70 82 90 93 93 79 67 61 67 82 84 90 97
Wind dir             S  S SW  S SW SW SW  S  S SW SW  S SW SW  S  S  S  S  S  S
Wind spd             6 11 12 11 11 11 12 10 10  9  6  6  6  6  8  6  5  5  5  5
Clouds              B2 B2 OV B2 B2 B1 SC B1 B2 B1 B2 B1 B1 SC SC B1 B1 B2 B2 B2
PoP 12hr                    100          30          70          20          20
QPF 12hr                   2.07        0.07        0.24           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           D  D  L  C           S  C  C  S        S  S        S  S  C
Tstms                L  L  L  C           S  C  S  S        S  S        S  S  S
Heat index                               88                90 91 88
Max heat                           85    91    87          91    94    85
Flood                A  A  A


Date           06/07  Mon 06/08/26  Tue 06/09/26  Wed 06/10/26  Thu 06/11/26
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          83      66    85      68    89      70    93      72    93
Temp          81 79   71 69 82 82   72 70 86 87   75 73 90 90   78 74 91 90
Dewpt         70 69   67 68 72 73   70 69 73 74   71 70 75 75   71 70 75 73
PWind dir         S      SE     S       S     S       S     S       S     S
Wind char        GN      GN    GN      LT    GN      GN    GN      GN    GN
Avg clouds    B2 B2   B2 B2 B2 B1   SC SC B1 SC   SC SC SC FW   FW FW FW FW
PoP 12hr         70      70    50      40    20      20     5      10    20
Rain shwrs     C  L    L  L  C  C    C  C     S    S                      S
Tstms          S  C    C  C  C  C    C  C     S    S                      S

$$
IAZ017-050900-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
853 PM CDT Thu Jun 4 2026

Date           06/04/26      Fri 06/05/26            Sat 06/06/26            Sun
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                      60          84          60          85          62
Temp                66 66 63 64 73 79 82 82 72 67 63 64 76 82 84 85 74 68 64 68
Dewpt               64 63 62 63 64 65 65 64 64 63 62 63 65 65 64 64 64 64 64 65
RH                  93 90 97 97 73 62 56 55 76 87 97 97 69 56 51 50 71 87100 90
Wind dir             S  S SE SW  W  W SW SW  S  W NW  W NE  E SE SE SE SE SE SE
Wind spd             8  5  4  3  5  5  9  6  3  3  3  2  3  4  6  6  5  6  6  8
Clouds              OV B2 B2 B2 B1 SC SC SC B1 SC SC SC FW FW FW FW SC SC B1 B1
PoP 12hr                     40          30          40           5          20
QPF 12hr                   0.11           0        0.02           0        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C  S  S              C  S                          S  S  S
Tstms                C  S  S              C  S                             S  S


Date           06/07  Mon 06/08/26  Tue 06/09/26  Wed 06/10/26  Thu 06/11/26
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          85      63    83      63    88      66    92      69    93
Temp          83 82   70 68 80 81   70 68 85 86   73 71 89 90   77 74 90 91
Dewpt         69 67   66 66 70 70   67 67 70 70   68 68 74 73   70 69 73 71
PWind dir        SE      SE    SE      SE    SE      SE     S       S     S
Wind char        GN      GN    GN      LT    LT      GN    BZ      GN    BZ
Avg clouds    B1 B1   B2 B2 B2 B1   B1 B1 B1 SC   SC SC SC SC   FW SC FW FW
PoP 12hr         50      60    70      50    20      20     5      20    10
Rain shwrs     S  C    C  L  L  L    C  S     S    S  S          S
Tstms          S  C    C  C  C  C    C  S     S    S  S          S

$$
IAZ049-050900-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
853 PM CDT Thu Jun 4 2026

Date           06/04/26      Fri 06/05/26            Sat 06/06/26            Sun
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          63          86          65
Temp                66 67 65 65 73 79 84 83 73 69 65 66 75 83 86 84 74 70 67 67
Dewpt               64 64 64 64 66 68 68 68 67 65 63 64 68 68 68 68 67 66 64 65
RH                  93 90 97 97 79 69 59 61 81 87 93 93 79 61 55 59 79 87 90 93
Wind dir             W  S  S SW  W SW SW SW  S SW SW SW SW  S  S SE SE SE SE SE
Wind spd             6  8 10  9  9  8  9  8  4  5  4  3  2  3  4  4  4  4  4  4
Clouds              OV B2 B2 B2 B2 SC FW SC B1 B2 B2 B1 B1 SC SC SC SC B1 B1 B1
PoP 12hr                    100          20          60          20          30
QPF 12hr                   1.05        0.04        0.63           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           D  D  C  S           C  L  L  C        S  S        C  C  S
Tstms                L  L  C  S           C  L  C              S        S     S
Flood                A  A  A


Date           06/07  Mon 06/08/26  Tue 06/09/26  Wed 06/10/26  Thu 06/11/26
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          85      65    85      66    90      68    95      71    95
Temp          83 82   70 68 81 83   71 69 86 88   74 71 90 92   77 74 92 92
Dewpt         70 68   66 66 71 71   67 67 72 72   68 68 75 74   70 68 74 73
PWind dir        SE      SE    SE      SE    SE       S     S       S     S
Wind char        GN      GN    GN      LT    LT      LT    GN      GN    GN
Avg clouds    B1 B1   B2 B2 B2 B1   SC B1 B1 SC   FW SC SC SC   FW FW FW FW
PoP 12hr         60      70    70      50    20      20     5      10    10
Rain shwrs     S  L    C  L  L  L    C  S     S    S  S
Tstms          S  C    C  C  C  C    C  S     S    S  S

$$
IAZ086-050900-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
853 PM CDT Thu Jun 4 2026

Date           06/04/26      Fri 06/05/26            Sat 06/06/26            Sun
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          66          88          66
Temp                73 71 67 67 74 80 85 85 76 73 68 69 78 84 88 86 76 72 67 69
Dewpt               62 64 66 66 68 70 71 70 70 69 67 67 70 72 72 71 70 68 66 67
RH                  68 79 97 97 82 72 63 61 82 87 97 93 76 67 59 61 82 87 97 93
Wind dir             S  S  S SW SW SW SW SW  S SW SW SW SW SW SW  S  S  S  S  S
Wind spd             8  9 13 14 14 12 12 10  9  9  6  6  6  5  5  5  5  5  4  4
Wind gust                 24
Clouds              B2 B2 OV B2 B1 SC SC SC B1 B2 B2 B1 B1 SC SC SC SC B1 B1 B1
PoP 12hr                     80          40          80          20          20
QPF 12hr                   0.74        0.15        0.50        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C  L  D  C           S  C  L  C        S  S  S  S  S  S  S
Tstms                C  L  L  C           S  C  C  S        S  S  S  S  S     S
Heat index                            90                   90 95 91
Max heat                           83    93    87          91    96    89


Date           06/07  Mon 06/08/26  Tue 06/09/26  Wed 06/10/26  Thu 06/11/26
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          87      66    86      67    91      69    95      72    97
Temp          83 82   73 70 82 83   74 71 87 89   76 73 91 93   79 75 92 93
Dewpt         71 69   68 68 73 73   69 69 74 73   71 70 76 75   72 70 75 73
PWind dir        SE      SE    SE       S     S       S     S       S     S
Wind char        GN      GN    GN      LT    GN      GN    GN      GN    GN
Avg clouds    B1 B1   B2 B2 B1 B1   SC B1 B1 SC   FW FW SC FW   FW FW FW FW
PoP 12hr         70      70    70      50    20      20    10      10    10
Rain shwrs     S  L    L  L  L  L    C  S     S    S  S
Tstms          S  C    C  C  C  C    C  S     S    S  S

$$