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 Thu Mar 27 2025

IAZ060-280900-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
300 AM CDT Thu Mar 27 2025

Date           03/26/25      Thu 03/27/25            Fri 03/28/25            Sat
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                      44          68          54          80          55
Temp                      46 44 51 61 67 65 58 57 57 58 67 77 80 77 68 63 59 56
Dewpt                     33 37 43 47 50 52 52 52 54 54 55 55 55 55 55 55 54 53
RH                        60 76 74 60 54 63 80 83 90 86 65 47 42 47 63 75 83 90
Wind dir                  SE SE  S SE SE  E SE SE  S SW SW SW SW  S  S SW SW  S
Wind spd                   8  9 10  8  9 10 10 10 11 14 20 24 24 20 17 14 11  9
Wind gust                                            27 34 39 41 33 28
Clouds                    SC B2 B1 SC B1 B1 B1 B1 SC FW FW FW FW FW FW B1 B2 B2
PoP 12hr                     50          50          30           0          30
QPF 12hr                   0.02        0.05        0.01           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain
Rain shwrs                 C  C  C        S  C  S  S              S  S  C  C  C
Tstms                         S  S        S  C  S                       S


Date           03/29  Sun 03/30/25  Mon 03/31/25  Tue 04/01/25  Wed 04/02/25
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      39    48      30    49      31    53      43    63
Temp          64 65   53 40 44 44   37 31 42 45   35 32 48 51   46 44 58 58
Dewpt         53 53   48 38 37 35   31 26 28 28   27 26 32 36   38 41 45 41
PWind dir         S       N     N       N     N       E    SE      SE    SW
Wind char        GN      GN    BZ      GN    GN      LT    GN      GN    GN
Avg clouds    B2 B2   B2 B2 B2 B2   B2 B1 SC SC   SC B1 B2 B2   B2 B1 B1 B1
PoP 12hr         70      80    50      30    10       5    50      80    40
Rain                         C  C    C  S                C  C    L  D  C  C
Rain shwrs     C  L    D  C
Snow                                    S
Tstms             C    C  S     S

$$
IAZ039-280900-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
300 AM CDT Thu Mar 27 2025

Date           03/26/25      Thu 03/27/25            Fri 03/28/25            Sat
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                      41          62          49          80          51
Temp                      44 41 48 57 59 56 51 51 50 51 64 76 80 76 66 62 57 52
Dewpt                     36 35 39 42 45 46 47 48 49 50 55 56 56 56 55 54 53 51
RH                        73 79 71 57 60 69 86 89 96 96 73 50 44 50 68 75 86 96
Wind dir                   E SE SE SE SE SE SE SE SE  S SW SW SW SW SW SW SW  W
Wind spd                   9  8 10 11 11 10 10 11 11 11 17 21 25 20 18 16 12 10
Wind gust                                               29 34 39 33 28
Clouds                    B2 B2 B1 B1 B1 B1 B2 B1 B1 SC FW FW FW FW SC B1 B1 B2
PoP 12hr                     30          30          40           5          30
QPF 12hr                      0        0.01        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain
Rain shwrs                 S  C              C  C  C              C  C  C  C  C
Sprinkles                        C        C
Tstms                                        C  C                    S  S  S


Date           03/29  Sun 03/30/25  Mon 03/31/25  Tue 04/01/25  Wed 04/02/25
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          63      36    46      28    45      27    49      38    60
Temp          60 59   49 37 43 42   34 28 39 41   31 28 42 46   40 39 53 53
Dewpt         50 49   46 37 36 35   29 25 27 27   25 22 30 33   35 37 44 40
PWind dir         E      NE     N       N     N      NE    SE      SE     S
Wind char        GN      GN    BZ      GN    GN      LT    GN      BZ    BZ
Avg clouds    B2 B2   B2 B2 B2 B2   B2 B1 SC B1   SC SC B1 B2   B2 B2 B1 B1
PoP 12hr         70      90    50      40    10       5    40      80    50
Rain                         C  C    C  S                S  C    L  D  C  C
Rain shwrs     C  L    D  L
Snow                                 C  C                S
Tstms             C    C

$$
IAZ048-280900-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
300 AM CDT Thu Mar 27 2025

Date           03/26/25      Thu 03/27/25            Fri 03/28/25            Sat
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                      41          66          52          81          52
Temp                      44 41 51 61 65 63 56 54 54 55 66 77 81 77 66 62 57 53
Dewpt                     33 36 42 46 49 50 51 52 52 53 56 56 56 56 56 55 54 51
RH                        65 82 71 58 56 62 83 93 93 93 70 48 42 48 70 78 90 93
Wind dir                  SE SE SE SE SE  E SE SE  S  S SW SW SW SW SW SW SW  S
Wind spd                   8  8 10  8 10 10 11 12 11 12 20 24 25 19 17 13 10  9
Wind gust                                            25 32 37 41 32 28
Clouds                    SC B1 B1 B1 B1 B1 B1 B1 SC FW FW FW FW FW FW B1 B2 B2
PoP 12hr                     40          40          30           0          30
QPF 12hr                      0        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  C  S        S  C  S                 C  C  C  C  C
Sprinkles
Tstms                         S           S  C  S                    S  S


Date           03/29  Sun 03/30/25  Mon 03/31/25  Tue 04/01/25  Wed 04/02/25
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          64      36    45      29    47      28    50      40    61
Temp          61 61   48 37 42 42   34 29 41 42   32 30 45 48   43 41 55 55
Dewpt         53 53   47 37 36 36   31 26 28 29   27 25 32 36   38 40 45 41
PWind dir        SE      NE     N       N     N       E    SE      SE    SW
Wind char        GN      GN    BZ      GN    GN      LT    GN      BZ    BZ
Avg clouds    B2 B2   B2 B2 B2 B2   B2 B1 SC SC   SC B1 B1 B2   B2 B1 B1 B1
PoP 12hr         80      90    50      30    10       5    50      80    50
Rain                         C  C    C  S                C  C    D  D  C  C
Rain shwrs     C  D    D  C
Snow                                 C  S                S
Tstms             C    C  S

$$
IAZ004-280900-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
300 AM CDT Thu Mar 27 2025

Date           03/26/25      Thu 03/27/25            Fri 03/28/25            Sat
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                      37          64          49          82          37
Temp                      40 37 46 57 63 60 52 51 51 51 62 77 82 76 59 50 43 38
Dewpt                     34 34 38 40 42 44 46 48 49 49 52 54 53 53 50 45 40 35
RH                        79 89 73 53 46 55 80 89 93 93 70 45 37 45 72 83 89 89
Wind dir                   E  E  E  E  E SE SE SE  S  S  S SW SW SW NW  N  N NE
Wind spd                  10  9 10 11 13 12 12 13 12 12 19 24 26 18 14 13 13 14
Wind gust                                               29 35 40 28
Clouds                    SC FW SC SC SC SC SC B1 SC SC SC SC SC SC SC B1 B2 B2
PoP 12hr                     20           5          10           5          40
QPF 12hr                      0           0           0           0        0.12
Snow 12hr                 00-00       00-00       00-00
Rain
Rain shwrs                                                        C  C  C  C  L
Sprinkles
Tstms                                                             S
Wind chill                33 30                                           36 30
Min chill                    30    32                                        29


Date           03/29  Sun 03/30/25  Mon 03/31/25  Tue 04/01/25  Wed 04/02/25
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          47      29    41      24    42      26    46      34    51
Temp          46 41   35 29 37 37   29 25 37 38   28 28 40 42   36 35 46 47
Dewpt         38 38   34 28 30 30   25 21 24 25   23 22 31 33   33 33 39 36
PWind dir        NE       N     N       N     N       E    SE      SE     N
Wind char        BZ      BZ    BZ      GN    GN      GN    BZ      BZ    BZ
Avg clouds    B2 B2   B2 B2 B2 B2   B2 B1 SC SC   SC B1 B2 B2   B2 B1 B1 B1
PoP 12hr         90      80    40      20     5      10    60      70    50
Rain                                                     S  L    L  L  C  C
Rain shwrs     L  D    D  C
Snow                         C  C    S                   C  L    L  L  C
Snowshwrs                 C
Tstms             S

$$
IAZ035-280900-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
300 AM CDT Thu Mar 27 2025

Date           03/26/25      Thu 03/27/25            Fri 03/28/25            Sat
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                      40          66          51          81          46
Temp                      42 40 49 60 65 62 53 53 52 53 64 78 81 77 65 58 51 47
Dewpt                     35 36 40 45 46 48 50 50 51 51 55 56 55 55 54 53 49 46
RH                        76 85 71 58 50 60 89 89 96 93 73 47 41 47 68 83 93 96
Wind dir                  SE SE SE  E  E  E SE SE  S  S SW SW SW SW SW  W  N NE
Wind spd                  10  8  9  8 10 10 11 11 11 11 18 23 24 17 13 10  9  9
Wind gust                                               29 34 35 28
Clouds                    B1 SC SC SC SC SC B1 B1 SC SC FW FW FW FW SC B1 B2 B2
PoP 12hr                     20          10          20           5          40
QPF 12hr                      0           0        0.01           0        0.07
Snow 12hr                 00-00       00-00       00-00
Rain
Rain shwrs                 S                 S  S                 C  C  C  C  C
Sprinkles                     C           C  C
Tstms                                        S  S                 S  S
Wind chill                36
Min chill                    34    36


Date           03/29  Sun 03/30/25  Mon 03/31/25  Tue 04/01/25  Wed 04/02/25
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          57      32    42      26    45      27    49      38    58
Temp          54 52   42 33 39 39   32 26 38 41   30 28 43 46   40 39 52 51
Dewpt         48 48   41 33 34 33   29 23 26 27   26 24 32 35   36 37 43 38
PWind dir        NE       N     N       N     N       E    SE      SE    SW
Wind char        GN      GN    BZ      GN    GN      LT    GN      GN    GN
Avg clouds    B2 B2   B2 B2 B2 B2   B2 B1 SC SC   SC B1 B2 B2   B2 B1 B1 B1
PoP 12hr         90      80    50      30    10      10    60      70    50
Rain                         C  C    C                   C  L    L  L  C  C
Rain shwrs     C  D    D  C
Snow                                 C  S                C
Tstms             C    C

$$
IAZ094-280900-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
300 AM CDT Thu Mar 27 2025

Date           03/26/25      Thu 03/27/25            Fri 03/28/25            Sat
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                      45          72          57          77          57
Temp                      48 45 53 65 71 68 61 61 59 59 64 74 77 74 66 62 59 57
Dewpt                     33 38 45 52 55 56 55 56 55 54 54 55 55 54 54 55 55 55
RH                        56 76 74 63 57 65 81 84 87 83 70 51 47 50 65 78 87 93
Wind dir                   S SE  S  S  S SE SE  S  S SW SW SW  S  S  S  S  S  S
Wind spd                   9 10 11 10  9  9 10 12 16 16 21 24 23 19 17 14 12 10
Wind gust                    20                23 28 28 34 39 39 31 28 25
Clouds                    B1 B2 B2 SC SC B1 B1 B1 SC SC FW FW FW FW FW SC B1 B2
PoP 12hr                     60          60          50           0          20
QPF 12hr                   0.07        0.38        0.19           0           0
Snow 12hr                 00-00       00-00       00-00
Rain
Rain shwrs                 L  L  C     S  C  C  C  S                    S  S  S
Sprinkles
Tstms                      S  S  S     S  C  C  C  S


Date           03/29  Sun 03/30/25  Mon 03/31/25  Tue 04/01/25  Wed 04/02/25
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          71      42    51      32    50      32    56      45    66
Temp          68 68   57 43 48 45   38 33 44 46   36 33 50 53   48 47 62 59
Dewpt         57 56   52 42 39 36   31 28 28 28   28 27 34 38   40 45 47 43
PWind dir         S       W     N       N     N       E    SE      SE    SW
Wind char        GN      GN    BZ      GN    GN      LT    GN      GN    GN
Avg clouds    B2 B2   B2 B2 B2 B2   B2 B2 B1 SC   SC SC B1 B2   B2 B1 B1 SC
PoP 12hr         60      80    50      30     5       5    40      70    40
Rain                         C  C    C                   S  C    L  L  C  S
Rain shwrs     S  L    D  C
Tstms             S    C  C  C  C

$$
IAZ017-280900-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
300 AM CDT Thu Mar 27 2025

Date           03/26/25      Thu 03/27/25            Fri 03/28/25            Sat
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                      39          61          48          80          44
Temp                      42 39 47 56 61 57 50 49 50 50 61 74 80 75 63 57 49 44
Dewpt                     36 35 38 41 43 45 45 47 48 48 53 56 56 56 54 52 46 43
RH                        79 85 71 57 51 64 83 93 93 93 75 53 44 52 72 83 89 96
Wind dir                   E  E SE SE  E SE SE SE SE  S  S SW SW SW SW NW  N NE
Wind spd                   8  9 10 10 11 10 11 13 11 12 18 23 25 19 17 13 11 10
Wind gust                                               29 35 39 32
Clouds                    B2 B1 SC SC SC SC B1 B1 B1 SC SC FW FW FW SC B1 B1 B2
PoP 12hr                     30          20          30           5          40
QPF 12hr                   0.01           0           0           0        0.09
Snow 12hr                 00-00       00-00       00-00
Rain
Rain shwrs                 C  S                 C  S              C  C  S  S  C
Sprinkles                                    C
Tstms                                           C  S              S  S
Wind chill                   33
Min chill                    31    33                                        38


Date           03/29  Sun 03/30/25  Mon 03/31/25  Tue 04/01/25  Wed 04/02/25
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          54      31    41      26    42      25    45      35    54
Temp          51 49   40 32 38 37   31 26 36 37   28 26 39 41   37 36 48 47
Dewpt         45 45   40 31 34 32   27 22 26 27   23 21 30 33   33 34 42 38
PWind dir        NE      NE     N       N     N       E    SE      SE     S
Wind char        GN      BZ    BZ      GN    GN      LT    BZ      BZ    BZ
Avg clouds    B2 B2   B2 B2 B2 B2   B2 B1 SC SC   SC SC B1 B2   B2 B2 B1 B1
PoP 12hr         80      90    50      30    10       5    50      70    60
Rain                         C  C    S                      C    L  L  L  C
Rain shwrs     C  D    D  L
Snow                         C  C    C  S                S  C    S  S  S
Snowshwrs                 S
Tstms             S    S

$$
IAZ049-280900-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
300 AM CDT Thu Mar 27 2025

Date           03/26/25      Thu 03/27/25            Fri 03/28/25            Sat
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                      39          63          50          78          51
Temp                      43 40 48 58 61 58 52 53 52 53 65 76 78 74 65 60 55 52
Dewpt                     34 35 40 44 47 48 48 50 50 52 56 56 56 56 55 54 53 51
RH                        70 82 74 59 60 69 86 89 93 96 73 50 47 53 70 81 93 96
Wind dir                  SE SE SE SE SE  E SE SE  S  S SW SW SW SW SW SW SW SW
Wind spd                   9  9 11  9 10 10 11 11 10 12 20 24 26 20 18 14 11  9
Wind gust                                            23 32 37 42 33 28
Clouds                    B1 B1 B1 B1 B1 B1 B1 B2 SC SC FW FW FW FW FW B1 B2 B2
PoP 12hr                     30          40          30           0          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  C  S        S  C  S  S              S  S  C  C  C
Sprinkles
Tstms                                     S  C  S                    S
Wind chill                   34
Min chill                    33    35


Date           03/29  Sun 03/30/25  Mon 03/31/25  Tue 04/01/25  Wed 04/02/25
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          64      36    46      27    45      26    49      38    61
Temp          61 59   48 37 43 41   33 28 39 40   29 28 43 46   40 39 55 52
Dewpt         53 51   47 37 37 35   30 25 28 27   25 23 31 34   35 37 45 41
PWind dir         S      NE     N       N     N       E    SE      SE    SW
Wind char        GN      GN    BZ      GN    GN      LT    GN      GN    BZ
Avg clouds    B2 B2   B2 B2 B2 B2   B2 B1 SC SC   SC SC B1 B2   B2 B1 B1 B1
PoP 12hr         70      90    50      30    10       5    40      80    50
Rain                         C  C    C  S                S  C    L  D  C  C
Rain shwrs     C  L    D  L
Snow                                 C  S                S
Tstms             C    C

$$
IAZ086-280900-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
300 AM CDT Thu Mar 27 2025

Date           03/26/25      Thu 03/27/25            Fri 03/28/25            Sat
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                      44          64          53          78          56
Temp                      44 44 50 58 61 62 56 57 57 58 65 75 78 75 66 63 60 57
Dewpt                     33 36 43 49 51 51 51 52 54 55 56 57 56 56 55 55 55 55
RH                        65 73 77 72 70 67 83 83 90 90 73 54 47 52 68 75 84 93
Wind dir                  SE  S  S  S SE  E SE  S  S SW SW SW SW SW SW SW SW  S
Wind spd                   8 10 13 11 10 10 10 11 12 14 21 24 24 19 17 14 12 10
Wind gust                                   20    25 28 35 37 39 32 28 26 23
Clouds                    SC B2 B2 B2 B2 B2 B1 B2 B1 SC FW FW FW FW FW SC SC B1
PoP 12hr                     40          60          40           5          20
QPF 12hr                   0.01        0.17        0.05           0           0
Snow 12hr                 00-00       00-00       00-00
Rain
Rain shwrs                 S  C  L  S     C  C  C  C                    S  S  C
Sprinkles                           C  C
Tstms                         S  S        C  C  C  C
Wind chill                   38
Min chill                    37    36


Date           03/29  Sun 03/30/25  Mon 03/31/25  Tue 04/01/25  Wed 04/02/25
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      44    54      31    49      30    54      43    67
Temp          68 68   58 45 51 48   39 33 44 45   35 31 48 51   46 45 61 59
Dewpt         58 57   55 44 43 39   33 28 30 29   28 26 33 36   39 42 50 46
PWind dir         S       S     N       N     N      NE    SE      SE    SW
Wind char        GN      GN    BZ      GN    GN      LT    GN      GN    BZ
Avg clouds    B1 B1   B2 B2 B2 B2   B2 B1 B1 B1   SC SC B1 B2   B2 B1 B1 SC
PoP 12hr         50      90    50      40    10       5    40      80    50
Rain                         C  C    C  S                S  C    L  D  C  C
Rain shwrs     C  C    D  L
Snow                                    S
Tstms             C    C  S     S

$$