Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
1159 AM CDT Sat Apr 26 2025

IAZ060-262100-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
1159 AM CDT Sat Apr 26 2025

Date             Sat 04/26/25            Sun 04/27/25            Mon 04/28/25
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                      63          48          68          58          82
Temp                   58 62 62 54 52 50 49 54 61 67 68 62 60 60 62 68 75 80 79
Dewpt                  37 36 38 39 39 40 41 44 47 51 52 53 54 57 58 62 64 64 62
RH                     45 38 41 57 61 68 74 69 60 56 57 72 81 90 87 81 69 58 56
Wind dir                E  E SE  E SE SE SE SE SE SE SE SE SE  S  S  S  S  S  S
Wind spd               10 10  9  8  8  8 10 13 13 14 14 13 13 14 16 18 20 23 18
Wind gust                                20       25    25          29 34 37 31
Clouds                 SC SC B1 SC SC SC B1 B1 B2 B2 OV OV OV B2 B2 B1 B2 SC SC
PoP 12hr                      0          10          20          40          70
QPF 12hr                      0           0           0        0.02        0.10
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  C  C  C  C  C  L  L  C
Tstms                                                 S  C  C  C  C  C  L  L  C


Date          Tue 04/29/25  Wed 04/30/25  Thu 05/01/25  Fri 05/02/25
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          51    67      44    69      52    70      49    70
Temp          66 53 62 64   50 47 66 66   57 54 65 66   55 51 64 67
Dewpt         57 45 44 41   39 38 45 48   48 50 53 50   44 41 42 42
PWind dir        SW    NW      NE    SE       E     N      NW    NW
Wind char        GN    GN      LT    LT      LT    GN      LT    GN
Avg clouds    SC FW FW FW   FW FW SC B1   B2 B2 B1 B1   SC FW FW SC
PoP 12hr         50     5       0    20      50    50      20    10
Rain shwrs     C                      S    C  C  C  C    S  S
Tstms          C                                    S    S  S

$$
IAZ039-262100-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
1159 AM CDT Sat Apr 26 2025

Date             Sat 04/26/25            Sun 04/27/25            Mon 04/28/25
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                      63          45          65          55          79
Temp                   56 61 60 50 47 47 45 51 60 65 64 58 57 56 56 63 71 77 76
Dewpt                  37 38 39 40 39 38 38 38 41 43 46 47 49 51 53 59 63 65 64
RH                     49 42 46 68 74 71 76 61 49 45 52 67 75 83 90 87 76 67 66
Wind dir                E  E  E  E SE SE SE SE SE  S SE SE SE  S  S  S  S  S  S
Wind spd               10  9  8  6  8 10 11 14 16 17 16 14 16 16 17 20 23 24 20
Wind gust                                23             25 26    27 31 34 37 33
Clouds                 CL FW FW SC SC B1 B1 SC SC SC SC B2 B2 B2 OV B2 B2 B1 B1
PoP 12hr                      0          30          30          40          70
QPF 12hr                      0        0.01        0.02        0.02        0.20
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  S  C  C           S  C  C  C  C  L  L  L
Tstms                                                    S  C  C  C  C  L  L  L
Wind chill                               39
Min chill                                38    39


Date          Tue 04/29/25  Wed 04/30/25  Thu 05/01/25  Fri 05/02/25
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          50    64      41    68      49    69      48    68
Temp          64 51 59 60   46 43 63 64   53 52 62 64   53 49 62 63
Dewpt         58 47 44 40   37 37 42 45   45 47 52 50   45 42 43 41
PWind dir        SW    NW      NE    SE      SE    NE      NW    NW
Wind char        BZ    BZ      LT    GN      LT    GN      GN    GN
Avg clouds    SC SC SC FW   FW FW FW SC   B1 B2 B2 B1   SC FW FW FW
PoP 12hr         60     5       0     5      40    50      20    10
Rain shwrs     L                           S  C  C  C    S  S
Tstms          L

$$
IAZ048-262100-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
1159 AM CDT Sat Apr 26 2025

Date             Sat 04/26/25            Sun 04/27/25            Mon 04/28/25
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                      63          46          66          56          81
Temp                   57 61 61 52 50 48 47 54 59 65 66 60 58 58 59 65 73 79 78
Dewpt                  38 38 39 40 40 41 41 43 46 50 53 53 54 57 58 63 65 66 63
RH                     49 42 44 63 68 77 79 66 62 58 63 78 86 96 96 93 76 64 60
Wind dir                E  E SE SE SE SE SE SE SE SE SE SE SE SE  S  S  S  S  S
Wind spd               10 11  9  8  8  8 10 14 14 17 16 14 14 17 17 19 21 23 18
Wind gust                             18 23    25       25       27 29 34 36 29
Clouds                 FW SC SC SC SC SC B1 B1 B1 B1 B2 B2 OV OV B2 B2 B2 SC SC
PoP 12hr                      0          20          20          50          70
QPF 12hr                      0           0           0        0.03        0.14
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  C  C  C  C  L  L  C
Tstms                                                 S  C  C  C  C  C  L  L  C


Date          Tue 04/29/25  Wed 04/30/25  Thu 05/01/25  Fri 05/02/25
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          48    66      42    69      50    70      48    69
Temp          63 51 60 62   47 45 64 65   54 52 64 66   53 49 63 65
Dewpt         55 45 44 40   38 38 45 48   48 49 53 50   44 42 43 42
PWind dir        SW    NW      NE    SE       E     N      NW    NW
Wind char        BZ    GN      LT    GN      LT    GN      GN    GN
Avg clouds    SC FW FW FW   FW FW FW SC   B2 B2 B2 B1   SC FW FW FW
PoP 12hr         50     5       0    10      40    50      20    10
Rain shwrs     C                           C  C  C  C    S  S
Tstms          C                                    S    S

$$
IAZ004-262100-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
1159 AM CDT Sat Apr 26 2025

Date             Sat 04/26/25            Sun 04/27/25            Mon 04/28/25
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                      62          46          65          55          81
Temp                   56 61 59 52 49 48 48 54 57 63 64 58 57 57 59 65 73 77 74
Dewpt                  34 34 36 38 40 39 40 44 46 49 51 51 53 54 56 61 62 60 55
RH                     43 36 42 59 71 71 74 69 67 60 63 77 86 90 90 87 68 56 51
Wind dir                E SE SE SE SE SE SE  S  S  S  S SE SE  S  S  S  S  S SW
Wind spd               12 14 14 12 13 13 14 20 20 20 19 18 18 21 21 25 26 26 19
Wind gust                                25       32 29 31 29          37 37 29
Clouds                 CL SC B2 OV B2 B2 B2 B1 B2 B1 B2 OV OV OV OV B2 B1 SC SC
PoP 12hr                      0          50          30          60          80
QPF 12hr                      0        0.04        0.01        0.07        0.18
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S  C  C  C  S  S        C  C  C  L  C  C  D  D  C
Tstms                            S  S                 C  C  C  L  C  C  D  D  C


Date          Tue 04/29/25  Wed 04/30/25  Thu 05/01/25  Fri 05/02/25
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          42    62      39    71      47    71      44    69
Temp          54 42 56 59   43 41 66 67   52 49 65 64   50 44 61 64
Dewpt         45 35 33 29   31 33 40 42   44 44 47 42   38 37 37 36
PWind dir         W    NW       E     S       S    NW      NW    NW
Wind char        BZ    BZ      LT    GN      GN    GN      GN    GN
Avg clouds    SC SC SC FW   FW FW FW FW   B1 B1 B1 B1   SC FW FW FW
PoP 12hr         30     5       0     5      30    40      10     5
Rain shwrs     C  S                        S  C  C  C
Tstms          C

$$
IAZ035-262100-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
1159 AM CDT Sat Apr 26 2025

Date             Sat 04/26/25            Sun 04/27/25            Mon 04/28/25
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                      62          46          66          56          81
Temp                   56 60 60 52 49 48 46 53 58 64 65 58 57 57 59 65 73 78 75
Dewpt                  38 38 39 40 41 41 41 44 46 50 52 52 54 55 57 61 64 64 61
RH                     51 44 46 63 74 77 83 71 64 60 63 80 90 93 93 87 73 62 62
Wind dir                E SE SE SE SE SE SE SE SE SE SE SE SE  S  S  S  S  S  S
Wind spd               12 12 11 10 11 12 13 19 17 18 17 17 16 17 17 20 21 21 16
Wind gust                                24             27 27    27    32 33 26
Clouds                 FW SC B1 B1 B2 B1 B1 B2 B2 B2 OV OV OV OV OV B2 B2 SC SC
PoP 12hr                      0          30          30          70          80
QPF 12hr                      0        0.02        0.01        0.07        0.16
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S  S  S  C  S  S        C  C  C  L  C  C  D  D  C
Tstms                               S                 C  C  C  L  C  C  D  D  C


Date          Tue 04/29/25  Wed 04/30/25  Thu 05/01/25  Fri 05/02/25
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          46    64      41    69      48    72      45    69
Temp          59 46 58 61   45 42 65 66   52 50 64 65   52 46 62 64
Dewpt         51 40 40 34   36 36 42 45   46 47 50 46   40 39 40 38
PWind dir         W    NW       E    SE      SE     N      NW    NW
Wind char        GN    GN      LT    GN      LT    GN      GN    GN
Avg clouds    FW SC SC FW   FW FW FW SC   B1 B1 B1 B1   SC FW FW FW
PoP 12hr         40     5       0    10      40    40      20    10
Rain shwrs     C                           C  C  C  C    S
Tstms          C                                         S

$$
IAZ094-262100-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
1159 AM CDT Sat Apr 26 2025

Date             Sat 04/26/25            Sun 04/27/25            Mon 04/28/25
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                      63          49          67          58          81
Temp                   59 62 62 54 53 50 51 54 61 65 66 61 60 60 61 68 75 80 76
Dewpt                  43 40 41 41 41 43 45 48 51 53 53 55 56 58 60 63 65 65 63
RH                     55 44 46 61 64 77 80 80 70 65 63 81 87 93 97 84 71 60 64
Wind dir                E  E SE SE  E SE SE SE SE SE SE SE SE  S  S  S  S  S  S
Wind spd                9  9  8  6  6  6  9 11 13 14 13 13 13 14 16 19 21 21 18
Wind gust                             17 20 23 26 26 25    24 25 26 31 34 36 31
Clouds                 SC B1 B2 B1 SC B1 B2 B2 B2 B2 OV OV B2 B2 B1 B1 B2 SC B1
PoP 12hr                      0          20          30          30          60
QPF 12hr                      0        0.01        0.01        0.01        0.12
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S  C  S           S  S  C  C  C  L  L  C
Tstms                                                    S  S  C  C  C  L  L  C


Date          Tue 04/29/25  Wed 04/30/25  Thu 05/01/25  Fri 05/02/25
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          51    67      46    67      52    69      48    69
Temp          66 53 62 64   51 47 64 64   57 55 65 65   54 49 64 65
Dewpt         58 48 47 45   42 41 48 51   52 53 55 51   45 43 44 44
PWind dir        SW    NW      NE    SE       E     N      NW    NW
Wind char        BZ    GN      LT    GN      LT    GN      GN    GN
Avg clouds    SC SC FW FW   FW SC SC B2   B2 B2 B2 B1   SC FW FW FW
PoP 12hr         50     5       5    30      60    60      20    10
Rain shwrs     C                      C    C  L  L  C    S
Tstms          C                                    S    S

$$
IAZ017-262100-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
1159 AM CDT Sat Apr 26 2025

Date             Sat 04/26/25            Sun 04/27/25            Mon 04/28/25
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                      61          45          62          53          77
Temp                   55 60 58 49 47 46 46 50 57 62 62 57 55 55 56 61 68 74 72
Dewpt                  37 37 38 39 39 39 39 40 42 46 48 48 50 52 54 59 63 64 62
RH                     51 42 47 68 74 76 76 68 57 56 60 72 83 90 93 93 84 71 71
Wind dir                E SE SE SE SE SE SE SE  S SE  S SE SE  S  S  S  S  S  S
Wind spd               10 11 11  8  9  9 12 18 18 18 17 16 16 18 19 21 24 25 19
Wind gust                             19 24             27 28 28 29 33 35 37 31
Clouds                 CL FW B1 B2 B2 B2 B2 SC B1 SC B2 B2 OV B2 OV B2 B2 B1 SC
PoP 12hr                      0          30          20          60          90
QPF 12hr                      0        0.02        0.03        0.06        0.26
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          C  C              C  C  C  L  C  C  D  D  C
Tstms                                                 S  C  C  L  C  C  D  D  C


Date          Tue 04/29/25  Wed 04/30/25  Thu 05/01/25  Fri 05/02/25
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          45    61      38    67      47    69      45    66
Temp          59 46 54 57   43 40 62 63   51 49 62 62   51 46 59 61
Dewpt         52 41 41 36   34 34 42 45   44 44 50 47   42 39 41 40
PWind dir         W    NW      NE     S      SE     N      NW    NW
Wind char        BZ    BZ      LT    GN      LT    GN      GN    GN
Avg clouds    SC SC SC FW   FW FW FW SC   B1 B1 B1 B1   SC FW FW FW
PoP 12hr         50    10       0     5      30    40      20    10
Rain shwrs     C                           S  C  C  C    S  S
Tstms          C                                         S

$$
IAZ049-262100-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
1159 AM CDT Sat Apr 26 2025

Date             Sat 04/26/25            Sun 04/27/25            Mon 04/28/25
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                      62          44          65          55          80
Temp                   57 61 60 50 47 45 45 52 59 65 63 58 56 56 57 64 72 78 75
Dewpt                  37 37 38 38 38 38 38 39 43 46 49 49 51 53 55 61 65 66 64
RH                     47 41 44 63 71 76 76 61 55 50 60 72 83 90 93 90 79 67 69
Wind dir                E  E SE SE SE SE SE SE SE SE SE SE SE  S  S  S  S  S  S
Wind spd               11 11 10  8  9 11 12 16 16 17 16 14 14 14 17 20 21 25 20
Wind gust                                24                         31 35 40 32
Clouds                 FW FW SC SC SC B1 SC SC B1 B1 B2 B2 OV OV B2 B2 B2 B1 SC
PoP 12hr                      0          20          20          50          70
QPF 12hr                      0           0           0        0.04        0.18
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S  S  S        S  S  C  C  C  C  L  L  L
Tstms                                                 S  S  C  C  C  C  L  L  L
Wind chill                               39
Min chill                                38    39


Date          Tue 04/29/25  Wed 04/30/25  Thu 05/01/25  Fri 05/02/25
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          49    64      41    67      48    69      46    69
Temp          63 51 59 60   45 42 63 63   52 51 62 64   52 48 62 63
Dewpt         57 46 45 41   37 37 44 47   46 48 53 50   44 41 43 42
PWind dir        SW    NW      NE    SE      SE     N      NW    NW
Wind char        BZ    GN      LT    LT      LT    GN      GN    GN
Avg clouds    SC SC SC FW   FW FW FW SC   B2 B2 B2 B1   SC FW FW FW
PoP 12hr         60     5       5    10      40    50      20    10
Rain shwrs     L                           C  C  C  C    S  S
Tstms          L                                         S

$$
IAZ086-262100-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
1159 AM CDT Sat Apr 26 2025

Date             Sat 04/26/25            Sun 04/27/25            Mon 04/28/25
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                      64          45          67          56          82
Temp                   59 63 62 53 50 47 46 53 62 67 65 60 58 58 59 67 76 80 78
Dewpt                  38 38 39 39 39 39 38 40 45 49 51 51 52 54 56 61 66 66 65
RH                     45 39 43 59 66 74 73 61 54 52 60 72 80 86 90 81 71 62 64
Wind dir                E  E  E  E SE SE SE SE SE SE SE SE SE SE  S  S  S  S  S
Wind spd               10 10  9  6  9 11 11 13 14 16 13 13 14 14 14 18 21 23 19
Wind gust                             25 24             25    25 26 29 33 36 32
Clouds                 FW SC B1 SC SC SC B1 SC SC B1 B1 B2 B2 B2 B2 B1 B1 B1 B1
PoP 12hr                      0          10          10          20          50
QPF 12hr                      0           0           0        0.01        0.07
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                               S  S  S  C  C  C  C  L
Tstms                                                    S  S  S  C  C  C  C  L


Date          Tue 04/29/25  Wed 04/30/25  Thu 05/01/25  Fri 05/02/25
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          55    68      45    69      52    69      49    69
Temp          68 59 63 64   51 47 65 65   57 55 65 65   55 50 64 64
Dewpt         62 53 49 46   42 41 48 50   51 52 56 53   48 44 46 46
PWind dir        SW    NW      NE    SE       E     N      NW    NW
Wind char        BZ    GN      LT    GN      LT    GN      GN    GN
Avg clouds    SC SC FW FW   FW FW SC B1   B2 B2 B2 B1   SC FW FW FW
PoP 12hr         60     5       5    20      60    60      20    20
Rain shwrs     L                      S    C  L  L  C    S  S  S
Tstms          L                                         S  S

$$