Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
300 AM CDT Tue Jun 17 2025

IAZ060-180900-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
300 AM CDT Tue Jun 17 2025

Date           06/16/25      Tue 06/17/25            Wed 06/18/25            Thu
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          85          65          79          61
Temp                      66 69 77 82 80 77 72 69 67 67 70 73 77 76 69 66 63 64
Dewpt                     64 64 67 68 68 67 67 67 65 66 66 66 64 63 63 61 60 60
RH                        93 84 71 63 67 71 84 93 93 97 87 79 64 64 81 84 90 87
Wind dir                  SW SW SW  S  W  S  E  E  E NE  N NW NW NW NW  W  W  W
Wind spd                   4  3  4  6  8  6  5  4  5  8  8 10 11  9  5  4  4  5
Clouds                    B1 SC B1 OV B2 OV B2 OV OV B2 B2 B2 B1 SC FW FW FW CL
PoP 12hr                     10          60          90          70           5
QPF 12hr                      0        0.15        0.38        0.70           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          C  C  L  L  L  L  L  L  C  C
Tstms                               C  C  L  C  L  L  C  C  C  C


Date           06/19  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25  Mon 06/23/25
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          88      70    93      77    95      76    94      76    92
Temp          83 86   74 72 87 91   83 79 91 92   83 78 91 91   81 77 89 88
Dewpt         63 65   65 66 72 72   71 69 73 72   71 68 71 69   68 67 69 67
PWind dir        SW       S     S       S     S       S     S       S     S
Wind char        LT      GN    GN      BZ    BZ      BZ    BZ      GN    GN
Avg clouds    CL FW   FW SC FW FW   CL FW FW FW   CL CL CL FW   FW FW FW SC
PoP 12hr          0      20     5       5     0       0     0      10    30
Rain shwrs                S                                               C
Tstms                     S                                               C

$$
IAZ039-180900-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
300 AM CDT Tue Jun 17 2025

Date           06/16/25      Tue 06/17/25            Wed 06/18/25            Thu
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          84          64          78          59
Temp                      67 68 76 81 79 74 70 67 66 66 70 72 75 74 68 64 62 63
Dewpt                     64 65 67 67 67 66 66 65 64 65 65 65 64 64 63 61 59 60
RH                        90 90 74 63 67 76 87 93 93 97 84 79 69 71 84 90 90 90
Wind dir                  SW  W NE NW NW  N  E SE  E  E NE  N  N  N NW  W  W  W
Wind spd                   4  3  2  5  6  6  4  5  5  6  8 10 11 10  5  5  5  5
Clouds                    B1 B1 SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC FW FW FW
PoP 12hr                     10          70          90          80          10
QPF 12hr                   0.01        0.29        0.15        0.49        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          C  L  L  C  L  L  D  D  C  C
Tstms                               C  L  C  C  L  L  C  C  C  C


Date           06/19  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25  Mon 06/23/25
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          87      68    91      75    94      76    94      74    91
Temp          83 84   71 70 86 89   80 78 91 91   81 77 91 91   80 75 88 86
Dewpt         62 63   63 65 69 70   71 70 73 72   71 69 72 70   69 68 69 67
PWind dir         W      SW     S       S    SW       S     S       S     S
Wind char        GN      GN    GN      BZ    BZ      BZ    BZ      BZ    BZ
Avg clouds    CL CL   FW SC SC FW   FW FW FW CL   CL FW CL CL   FW FW FW SC
PoP 12hr          5      30    20      20     5       0     0      20    40
Rain shwrs             S  C  S       S  S                           S  S  C
Tstms                  S  C  S       S  S                           S  S  C

$$
IAZ048-180900-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
300 AM CDT Tue Jun 17 2025

Date           06/16/25      Tue 06/17/25            Wed 06/18/25            Thu
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          83          65          79          60
Temp                      66 68 75 80 78 76 70 68 66 66 70 73 76 74 68 64 62 63
Dewpt                     63 64 68 69 68 68 67 66 65 65 66 66 65 64 63 61 60 61
RH                        90 87 79 69 71 76 90 93 97 97 87 79 69 71 84 90 93 93
Wind dir                  SW SW  S SE SW  N SE  E  E NE  N  N  N  N NW  W  W  W
Wind spd                   4  2  4  6  8  5  4  5  6  6  9 10 11 10  5  3  3  4
Clouds                    B2 B1 B1 OV B2 B2 B2 OV OV OV B2 B1 SC SC FW CL FW CL
PoP 12hr                     10          60          80          70           5
QPF 12hr                   0.01        0.22        0.49        0.70           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          C  L  L  C  L  L  L  L  C  C
Tstms                               C  L  L  C  L  L  C  C  C  C


Date           06/19  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25  Mon 06/23/25
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          87      68    92      76    94      76    94      74    92
Temp          82 84   72 71 86 89   82 78 90 91   81 77 90 91   80 76 87 86
Dewpt         64 66   66 67 72 74   72 71 74 74   72 70 73 72   69 69 70 69
PWind dir        SW       S     S       S     S       S     S       S     S
Wind char        LT      LT    GN      BZ    BZ      BZ    BZ      GN    GN
Avg clouds    CL FW   FW SC FW FW   FW FW FW FW   CL CL CL FW   FW FW FW SC
PoP 12hr          0      30    10      10     0       0     0      20    40
Rain shwrs                C                                         S  S  C
Tstms                     C                                         S  S  C

$$
IAZ004-180900-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
300 AM CDT Tue Jun 17 2025

Date           06/16/25      Tue 06/17/25            Wed 06/18/25            Thu
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          78          61          79          59
Temp                      67 67 71 75 75 73 67 64 63 63 69 74 76 74 66 62 60 61
Dewpt                     64 64 64 64 64 64 62 62 61 61 63 61 60 61 60 57 56 56
RH                        90 90 79 69 69 73 84 93 93 93 81 64 58 64 81 84 87 84
Wind dir                  NW NW NE NE  E NE NE NE  N  N  N  N  N NW  W  W  W SW
Wind spd                   5  5  6  6  8  8  5  5  6  8  9 11 10  8  5  5  6  9
Clouds                    B2 B2 B2 B2 OV B2 B2 B2 B2 B2 B1 B1 B1 SC FW FW FW CL
PoP 12hr                     10          60          50          40           0
QPF 12hr                   0.03        0.27        0.12        0.07           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S  S  C  L  C  C  C  C  C  C  C  C
Tstms                         S  S  C  C  C  C  C  C  S     S  S


Date           06/19  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25  Mon 06/23/25
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          87      65    91      71    92      73    92      69    85
Temp          83 83   69 68 84 87   77 73 87 89   79 74 88 88   76 70 81 77
Dewpt         62 64   63 63 70 72   68 66 71 72   68 66 70 70   65 62 65 64
PWind dir        SW       S     S       S     S       S     S       S    SW
Wind char        GN      GN    BZ      BZ    BZ      BZ    WY      BZ    BZ
Avg clouds    CL FW   SC SC SC FW   FW FW FW FW   FW FW FW FW   SC SC SC SC
PoP 12hr         10      50    20      20     0       0     5      40    60
Rain shwrs             C  C  S       S                           C  C  C  L
Tstms                  C  C  S       S                           C  C  S  C

$$
IAZ035-180900-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
300 AM CDT Tue Jun 17 2025

Date           06/16/25      Tue 06/17/25            Wed 06/18/25            Thu
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          81          63          79          59
Temp                      66 67 73 76 76 74 68 66 65 65 70 74 76 74 67 62 60 62
Dewpt                     63 64 66 67 67 66 65 64 63 64 64 64 63 62 62 60 59 60
RH                        90 90 79 74 74 76 90 93 93 97 81 71 64 66 84 93 96 93
Wind dir                   W  N NE NE  N NE  E NE NE NE  N  N  N  N  W  W  W SW
Wind spd                   4  4  4  5  6  6  4  5  5  8  9 10 10  6  4  3  4  5
Clouds                    B2 B2 B2 B2 B2 OV OV OV B2 B2 B1 B1 B1 SC FW FW FW FW
PoP 12hr                     10          70          70          50           5
QPF 12hr                   0.02        0.38        0.20        0.63           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S  S  C  L  C  C  L  L  C  C  C  C
Tstms                         S  S  C  L  C  C  L  L  C  C  C  C


Date           06/19  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25  Mon 06/23/25
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          88      68    92      75    94      75    94      73    90
Temp          83 84   71 70 86 89   80 76 90 90   80 76 89 89   78 74 86 82
Dewpt         63 65   65 65 71 73   71 69 72 73   70 68 71 70   67 67 67 67
PWind dir        SW       S     S       S     S       S     S       S     S
Wind char        GN      GN    GN      BZ    BZ      BZ    BZ      GN    GN
Avg clouds    CL FW   SC SC SC FW   FW FW FW CL   FW FW CL FW   FW SC FW SC
PoP 12hr          5      40    10      10     0       0     0      30    50
Rain shwrs             C  C                                      S  C  S  C
Tstms                  C  C                                      S  C  S  C

$$
IAZ094-180900-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
300 AM CDT Tue Jun 17 2025

Date           06/16/25      Tue 06/17/25            Wed 06/18/25            Thu
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          65          79          60
Temp                      68 70 78 82 80 77 71 69 67 66 70 74 76 75 68 64 62 63
Dewpt                     65 66 68 68 68 67 67 66 66 66 67 67 66 64 64 63 61 61
RH                        90 87 71 63 67 71 87 90 97100 90 79 71 69 87 97 97 93
Wind dir                  SW SW  S SW SW  W NW  E SE NW NW NW NW NW NW NW  W  W
Wind spd                   6  3  5  9  8  6  5  8  8  8  9 10 11  9  5  4  4  5
Clouds                    B1 B1 B1 B2 B2 B2 OV OV OV OV B2 B2 B1 SC FW FW FW FW
PoP 12hr                     10          40          90          50           5
QPF 12hr                      0        0.13        0.54        0.45           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          C  C  C  L  D  D  C  C  C  C
Tstms                               S  C  C  C  C  C  S  S  C  S


Date           06/19  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25  Mon 06/23/25
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          86      67    91      75    93      74    92      74    92
Temp          82 83   72 69 87 88   80 77 90 90   80 76 89 89   79 75 88 87
Dewpt         65 66   65 66 72 73   72 70 73 72   70 68 72 70   69 68 70 68
PWind dir        SW       S     S       S     S       S     S       S     S
Wind char        LT      GN    GN      BZ    BZ      BZ    BZ      GN    GN
Avg clouds    FW FW   FW SC FW FW   CL FW FW CL   CL CL CL FW   FW FW FW FW
PoP 12hr          0      10     5       0     0       0     0      10    20
Rain shwrs                                                                S
Tstms                                                                     S

$$
IAZ017-180900-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
300 AM CDT Tue Jun 17 2025

Date           06/16/25      Tue 06/17/25            Wed 06/18/25            Thu
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          78          62          78          57
Temp                      66 67 72 74 74 72 67 66 64 63 69 73 75 73 67 62 60 62
Dewpt                     64 65 66 65 66 64 63 63 63 62 64 63 62 61 61 58 58 58
RH                        93 93 81 74 76 76 87 90 97 97 84 71 64 66 81 87 93 87
Wind dir                   W NW  N  W  W NE  E NE NE NE NE  N  N  N NW  W  W  W
Wind spd                   6  4  4  5  6  5  4  4  5  6  9 10 11  8  5  4  5  5
Clouds                    B1 B2 B2 B2 B2 B2 OV B2 B2 B2 B2 B1 SC SC FW FW CL CL
PoP 12hr                     10          60          70          50           5
QPF 12hr                   0.01        0.30        0.14        0.25           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          C  L  C  C  L  L  C  C  C  C
Tstms                               C  C  C  C  L  C  C  C  C  C


Date           06/19  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25  Mon 06/23/25
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          86      65    90      72    92      74    92      71    88
Temp          82 83   70 69 84 88   79 75 88 90   79 75 88 89   78 73 84 83
Dewpt         61 63   63 64 69 70   70 69 72 72   70 68 70 69   67 65 67 66
PWind dir         W       S     S       S    SW       S     S       S    SW
Wind char        GN      GN    BZ      BZ    BZ      BZ    BZ      BZ    BZ
Avg clouds    CL CL   FW SC SC SC   FW SC FW FW   FW FW CL CL   FW SC FW SC
PoP 12hr          5      50    20      30     0       0     0      30    50
Rain shwrs             C  C  S       C  S                        S  C  C  C
Tstms                  C  C  S       C  S                        S  C  C  C

$$
IAZ049-180900-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
300 AM CDT Tue Jun 17 2025

Date           06/16/25      Tue 06/17/25            Wed 06/18/25            Thu
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          83          64          78          59
Temp                      67 68 76 80 79 74 69 67 66 66 69 73 75 73 67 63 61 62
Dewpt                     63 64 67 68 68 67 66 65 65 65 65 65 64 64 62 60 58 60
RH                        87 87 74 67 69 79 90 93 97 97 87 76 69 73 84 90 90 93
Wind dir                  SW  W SW SE  W  N  E SE  E  E  N  N  N  N NW  W  W  W
Wind spd                   4  3  4  5  6  6  5  5  5  8  9 10 11 10  5  4  4  5
Clouds                    B1 B1 B1 B2 B2 B2 B2 OV OV B2 B2 B2 B1 SC SC FW FW FW
PoP 12hr                     10          60          90          80           5
QPF 12hr                   0.02        0.23        0.44        0.41        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          C  L  L  C  L  L  D  D  C  C
Tstms                               C  L  C  C  L  L  C  C  C  C


Date           06/19  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25  Mon 06/23/25
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          86      67    91      75    94      74    94      74    91
Temp          82 83   70 69 86 88   79 77 90 90   79 76 90 89   79 75 87 86
Dewpt         62 64   63 65 70 71   71 70 72 72   70 68 72 70   68 67 69 67
PWind dir         W       S     S       S     S       S     S       S    SW
Wind char        LT      GN    GN      BZ    BZ      BZ    BZ      BZ    GN
Avg clouds    CL CL   FW SC SC FW   FW FW FW FW   CL CL CL CL   FW FW FW FW
PoP 12hr          0      30    10      10     0       0     0      20    30
Rain shwrs             S  C                                         S  S  C
Tstms                  S  C                                         S  S  C

$$
IAZ086-180900-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
300 AM CDT Tue Jun 17 2025

Date           06/16/25      Tue 06/17/25            Wed 06/18/25            Thu
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          88          66          79          62
Temp                      69 70 80 85 84 79 72 70 68 68 70 74 76 75 69 66 63 64
Dewpt                     64 66 69 69 69 69 68 68 67 67 67 68 68 66 65 64 62 62
RH                        84 87 69 59 61 72 87 93 97 97 90 82 76 74 87 93 97 93
Wind dir                  SW SW SW SW  W  N  S  E  E SE NW  W NW NW NW  W  W  W
Wind spd                   5  5  5  8  9  8  6  6  8 10  9 10 11 10  6  5  5  5
Clouds                    SC SC SC B1 B2 B1 B2 B2 OV OV OV B2 B1 SC SC FW FW FW
PoP 12hr                     10          50          90          80          10
QPF 12hr                      0        0.20        0.50        0.74        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             C  C  L  L  L  D  D  C  C
Tstms                                  C  C  C  C  C  C  C  C  C


Date           06/19  Fri 06/20/25  Sat 06/21/25  Sun 06/22/25  Mon 06/23/25
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          86      68    91      76    94      76    94      75    94
Temp          82 83   72 71 86 89   81 78 90 91   81 78 91 91   81 77 89 89
Dewpt         64 66   65 67 71 73   72 71 74 74   71 70 72 71   70 70 70 68
PWind dir         W       S     S       S    SW       S     S       S    SW
Wind char        LT      LT    GN      BZ    BZ      BZ    BZ      GN    GN
Avg clouds    CL FW   FW SC FW FW   CL FW FW CL   CL CL CL CL   FW FW FW FW
PoP 12hr          0      10     5       5     0       0     0      10    20
Rain shwrs                                                                S
Tstms                                                                     S

$$