Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
1114 AM CST Fri Feb 28 2025

IAZ060-282200-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
1114 AM CST Fri Feb 28 2025

Date             Fri 02/28/25            Sat 03/01/25            Sun 03/02/25
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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          24          37          21          49
Temp                   57 58 54 42 34 28 25 26 33 36 34 27 25 22 21 31 44 49 45
Dewpt                  30 29 27 23 18 16 12  9  5  2  5  8  9  8  9 11 16 18 21
RH                     35 33 35 46 51 60 57 48 30 23 29 44 50 54 59 43 32 29 38
Wind dir               NW NW NW  N  N  N  N  N  N  N  N NE SE  S  S  S  S  S SE
Wind spd               26 28 25 17 14 12 10 10 10  8  4  2  2  2  4  6 10 12 10
Wind gust              37 42    27
Clouds                 B1 FW FW CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                                          S
Wind chill                      34 24 17 15 16 24 30                24 38
Min chill                          24    14    12    25    24    13    16    38
Wind                    Y  Y


Date               Mon 03/03/25  Tue 03/04/25  Wed 03/05/25  Thu 03/06/25
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            36    54      40    56      33    43      25    47
Temp          38   37 49 50 44   41 52 51 44   35 38 38 31   26 42 41
Dewpt         27   32 40 41 41   40 46 46 40   33 29 25 23   20 25 27
PWind dir          SE     S      SE     E       N    NW      NW     W
Wind char          GN    GN      GN    GN      BZ    BZ      GN    GN
Avg clouds    SC   B2 B1 B1 B1   B2 B2 B2 B2   B2 B2 B1 SC   FW FW SC
PoP 12hr           50    20      20    80      80    30       0     5
Rain           S    C  S          S  C  D  D    L  C
Snow                                            S  C

$$
IAZ039-282200-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
1114 AM CST Fri Feb 28 2025

Date             Fri 02/28/25            Sat 03/01/25            Sun 03/02/25
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      57          20          34          17          45
Temp                   54 51 43 33 28 25 21 22 29 33 29 24 21 19 17 27 40 45 40
Dewpt                  31 29 23 17 15 10  5  2 -4 -5  2  4  6  5  5  7 11 14 17
RH                     41 42 45 51 58 52 49 41 23 19 31 41 52 54 58 42 30 28 39
Wind dir               NW NW NW NW NW  N  N  N  N  N NW NW  W SW  S  S  S  S  S
Wind spd               31 32 27 21 18 16 13 13 11 10  4  2  1  2  2  5 10 11 10
Wind gust              43 49 42
Clouds                 FW B1 FW FW FW FW FW FW CL CL CL FW SC FW FW FW FW CL FW
PoP 12hr                     10           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 C
Wind chill                   32 21 15 12  8 10 20 26                20 33 39 34
Min chill                    31    14     7     6    20    21    12    14    33
Wind                    Y  Y


Date               Mon 03/03/25  Tue 03/04/25  Wed 03/05/25  Thu 03/06/25
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            32    51      38    54      32    42      24    45
Temp          33   33 45 47 41   38 49 48 41   34 37 36 30   25 39 38
Dewpt         19   27 36 39 39   37 44 43 39   32 29 25 22   19 23 25
PWind dir          SE     S      SE     E      NE     N      NW     W
Wind char          GN    GN      GN    GN      BZ    BZ      GN    GN
Avg clouds    SC   B1 B2 B1 B1   B2 B1 B2 OV   B2 B2 B1 SC   FW FW FW
PoP 12hr           50    30      20    70      80    40       5     0
Rain                C  C          S  C  L  D    L  C
Snow                S                           S  C

$$
IAZ048-282200-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
1114 AM CST Fri Feb 28 2025

Date             Fri 02/28/25            Sat 03/01/25            Sun 03/02/25
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      60          22          35          19          48
Temp                   56 56 51 38 30 26 23 24 31 35 31 26 23 20 19 29 42 47 44
Dewpt                  31 29 27 21 17 13 10  8  3  0  5  7  7  8  8 11 16 20 21
RH                     38 35 39 50 58 57 57 50 30 22 32 44 50 59 61 46 34 34 39
Wind dir               NW NW NW NW  N  N  N  N  N  N  N NE SE  S  S  S  S  S SE
Wind spd               28 31 26 20 17 14 11 11 10  9  4  2  2  2  4  6 11 13 10
Wind gust              41 47 37
Clouds                 SC FW FW CL FW FW FW FW FW FW FW SC FW FW FW FW FW FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                                          S
Wind chill                      27 19 14 11 13 22 27                21 36    38
Min chill                          18    11     9    23    22    11    14    37
Wind                    Y  Y


Date               Mon 03/03/25  Tue 03/04/25  Wed 03/05/25  Thu 03/06/25
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            34    53      39    55      31    42      25    47
Temp          36   35 47 49 42   39 50 49 41   34 37 37 30   26 41 41
Dewpt         25   32 40 42 41   39 46 46 40   32 28 25 23   20 25 28
PWind dir          SE    SE      SE     E       N     N      NW     W
Wind char          GN    GN      GN    GN      BZ    BZ      GN    GN
Avg clouds    SC   B1 B2 B1 B2   B2 B2 B2 OV   B2 B2 B1 SC   FW FW SC
PoP 12hr           50    20      30    70      80    30       0     5
Rain           S    C  S          C  C  L  D    L  C
Snow                                            S  C

$$
IAZ004-282200-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
1114 AM CST Fri Feb 28 2025

Date             Fri 02/28/25            Sat 03/01/25            Sun 03/02/25
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      54          16          33          17          49
Temp                   50 44 38 28 24 20 17 19 27 32 28 23 20 19 18 28 43 49 44
Dewpt                  29 24 19 16 11  7  3  1 -2 -5  0  3  3  3  4  9 16 20 21
RH                     44 45 46 60 57 56 53 44 28 19 29 41 47 49 53 44 33 31 39
Wind dir               NW NW NW  N  N  N  N  N  N  N  N SE  S  S  S  S  S  S  S
Wind spd               36 36 28 21 20 19 13 12 10  8  3  2  4  5  8 12 17 18 13
Wind gust              48 50 42
Clouds                 SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW CL FW
PoP 12hr                     10           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill                33 26 14  9  4  3  6 18 25       14 11  7 17 35    38
Min chill                    26     9     2     1    20    12     5     9    37
Wind                    Y  Y


Date               Mon 03/03/25  Tue 03/04/25  Wed 03/05/25  Thu 03/06/25
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            32    55      36    51      26    39      22    47
Temp          34   33 48 49 41   37 48 43 34   28 34 34 27   23 41 39
Dewpt         23   28 40 41 38   36 41 38 30   23 23 20 17   15 21 22
PWind dir           S     S       S    NE       N     N      NW     W
Wind char          GN    GN      GN    GN      BZ    WY      GN    GN
Avg clouds    FW   SC B1 B1 B1   B1 B2 B2 B2   B2 B1 SC SC   FW FW SC
PoP 12hr           20    20      30    60      50    20       0     5
Rain                S  S  S  S    C  C  L  C    C
Snow                                       S    C  S

$$
IAZ035-282200-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
1114 AM CST Fri Feb 28 2025

Date             Fri 02/28/25            Sat 03/01/25            Sun 03/02/25
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      57          19          35          17          48
Temp                   53 51 44 33 28 24 20 22 30 34 29 24 21 19 18 28 42 48 43
Dewpt                  31 28 23 18 15 11  7  5  0 -2  4  6  6  7  7 10 16 20 21
RH                     43 41 43 53 58 57 56 47 27 21 34 45 52 59 61 46 34 33 41
Wind dir               NW NW NW NW  N  N  N  N  N  N  N  E  S  S  S  S  S  S SE
Wind spd               31 32 25 18 17 14 10 10 10  6  2  2  2  3  4  8 12 13 10
Wind gust              43 48 37
Clouds                 FW SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW
PoP 12hr                      5           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                                          S
Wind chill                   35 22 16 11  9 11 21 27             11 20 36    37
Min chill                    34    15     8     7    22    20    10    13    36
Wind                    Y  Y


Date               Mon 03/03/25  Tue 03/04/25  Wed 03/05/25  Thu 03/06/25
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            33    54      37    54      29    40      22    47
Temp          35   34 48 49 40   38 49 47 37   30 36 36 27   23 41 40
Dewpt         24   30 40 41 39   38 44 42 35   27 25 22 20   17 23 25
PWind dir          SE     S      SE     E       N     N      NW     W
Wind char          GN    GN      LT    GN      BZ    BZ      GN    GN
Avg clouds    SC   B1 B2 B1 B1   B2 B1 B2 OV   B2 B2 B1 SC   FW FW FW
PoP 12hr           50    20      30    70      70    30       0     5
Rain           S    C  S          C  C  L  L    C  S
Snow                                            C  C

$$
IAZ094-282200-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
1114 AM CST Fri Feb 28 2025

Date             Fri 02/28/25            Sat 03/01/25            Sun 03/02/25
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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          26          39          22          49
Temp                   60 60 56 46 37 31 28 29 36 38 34 28 26 24 22 31 44 49 45
Dewpt                  31 29 29 27 23 19 16 12  7  4  7 10 10 10 11 14 17 20 23
RH                     33 31 35 47 56 61 60 48 29 23 32 46 50 54 62 49 33 31 41
Wind dir               NW NW NW NW  N  N  N  N  N  N  N NE SE SE  S  S  S  S SE
Wind spd               23 24 20 14 12 11 10 11 10  9  4  3  3  4  5  8 11 12 11
Wind gust              34 39
Clouds                 FW SC FW CL FW FW FW FW FW FW SC FW FW CL CL CL FW FW SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                                          C
Wind chill                      39 30 22 18 19 28 32             15 24 38    39
Min chill                          28    17    15    28    20    13    16    38


Date               Mon 03/03/25  Tue 03/04/25  Wed 03/05/25  Thu 03/06/25
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            37    54      41    58      33    43      25    47
Temp          39   38 49 49 44   42 53 51 44   36 39 38 30   26 41 41
Dewpt         28   34 41 42 42   42 49 47 42   34 30 26 24   21 25 28
PWind dir          SE    SE      SE     E       N    NW      NW     W
Wind char          GN    GN      GN    GN      BZ    BZ      GN    GN
Avg clouds    B1   B2 B1 B1 B1   B2 B1 B2 B2   B2 B2 B1 FW   FW FW SC
PoP 12hr           50    20      30    90      90    30       0     5
Rain           C    C  S          C  L  D  D    L  C
Snow                                            S  C

$$
IAZ017-282200-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
1114 AM CST Fri Feb 28 2025

Date             Fri 02/28/25            Sat 03/01/25            Sun 03/02/25
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      52          17          32          16          46
Temp                   50 44 36 28 25 21 19 20 27 31 27 22 19 17 16 26 40 45 40
Dewpt                  31 26 21 15 13  9  4  0 -3 -6  1  3  3  2  3  6 12 17 18
RH                     48 49 54 58 60 59 51 41 26 19 32 43 49 51 56 42 31 32 41
Wind dir               NW NW NW NW NW  N  N  N  N  N NW NW SW  S  S  S  S  S  S
Wind spd               35 35 28 21 20 18 13 13 11 10  4  2  2  2  4  9 12 14 10
Wind gust              47 50 44 32
Clouds                 SC B1 FW FW SC SC FW FW CL CL FW FW FW FW FW FW FW FW FW
PoP 12hr                     10           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill                33 24 14 10  6  5  7 17 23              8 18 33 39 33
Min chill                    22     9     4     2    18    19     7    10    32
Wind                    Y  Y


Date               Mon 03/03/25  Tue 03/04/25  Wed 03/05/25  Thu 03/06/25
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            31    51      36    52      29    40      22    45
Temp          33   31 45 46 39   36 47 46 37   31 35 34 27   23 39 37
Dewpt         20   26 37 39 38   36 43 41 35   28 25 22 19   17 22 23
PWind dir           S     S       S     E       N     N      NW     W
Wind char          GN    GN      GN    GN      BZ    WY      GN    GN
Avg clouds    SC   B1 B1 B1 B1   B1 B1 B2 B2   B2 B2 SC SC   FW FW FW
PoP 12hr           40    30      20    60      70    30       0     5
Rain                C  C          S  C  L  L    L  S
Snow                                            L  C

$$
IAZ049-282200-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
1114 AM CST Fri Feb 28 2025

Date             Fri 02/28/25            Sat 03/01/25            Sun 03/02/25
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      59          21          35          17          46
Temp                   55 54 45 36 28 25 21 24 30 34 29 23 21 19 17 27 40 45 40
Dewpt                  32 30 25 20 16 12  9  5  1 -1  3  6  6  6  6  9 13 17 18
RH                     41 40 45 52 60 57 59 43 28 22 32 47 52 56 61 46 33 32 41
Wind dir               NW NW NW NW NW  N  N  N  N  N  N  N SW  S  S  S  S  S SE
Wind spd               29 32 28 20 17 16 11 12 10  9  3  2  1  2  3  5 10 11 10
Wind gust              42 47 41
Clouds                 SC FW FW CL FW FW SC FW FW CL FW FW SC FW FW FW FW FW FW
PoP 12hr                      5           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                                          S
Snow                                                                          S
Wind chill                   35 24 16 12 10 12 21 26                20 34    34
Min chill                    34    16     9     8    22    21     9    12    33
Wind                    Y  Y


Date               Mon 03/03/25  Tue 03/04/25  Wed 03/05/25  Thu 03/06/25
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            32    52      37    54      31    42      23    45
Temp          33   33 46 47 40   37 49 47 40   33 37 36 28   24 39 38
Dewpt         21   29 38 39 39   37 45 44 39   31 29 25 22   19 24 26
PWind dir          SE     S      SE     E       N     N      NW     W
Wind char          GN    GN      GN    GN      BZ    WY      GN    GN
Avg clouds    SC   B1 B1 B1 B2   B2 B2 B2 OV   B2 B2 B1 SC   FW FW SC
PoP 12hr           50    30      30    70      80    40       0     5
Rain           S    C  C          C  C  L  D    L  C
Snow           S                                S  C

$$
IAZ086-282200-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
1114 AM CST Fri Feb 28 2025

Date             Fri 02/28/25            Sat 03/01/25            Sun 03/02/25
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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          25          38          20          47
Temp                   59 60 55 43 35 28 25 26 34 37 32 26 24 22 20 30 42 46 42
Dewpt                  31 30 29 24 20 17 13  9  4  1  5  8  9  9  9 11 14 17 19
RH                     34 32 37 47 54 63 60 48 27 21 31 46 52 57 62 44 31 31 39
Wind dir               NW NW NW NW NW NW  N  N  N  N  N  N SE  S  S  S  S  S SE
Wind spd               25 26 25 19 16 13 11 12 12 10  5  2  2  2  3  5  9 11 10
Wind gust              37 42    31 26
Clouds                 FW SC SC CL FW FW FW FW FW FW FW FW FW CL FW CL FW CL FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                                          S
Wind chill                      34 25 18 15 15 25 30                24
Min chill                          24    14    12    26    21    13    15    36


Date               Mon 03/03/25  Tue 03/04/25  Wed 03/05/25  Thu 03/06/25
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            34    53      39    57      34    44      25    46
Temp          36   35 47 48 43   41 52 51 45   38 39 39 32   27 41 41
Dewpt         24   31 39 41 40   40 48 48 44   37 33 29 24   22 26 28
PWind dir          SE    SE      SE     E      NE    NW      NW     W
Wind char          GN    GN      GN    GN      BZ    BZ      GN    GN
Avg clouds    SC   B2 B1 B1 B1   B2 B1 B2 B2   B2 B2 B1 SC   FW FW SC
PoP 12hr           50    30      30    90      90    40       0     5
Rain           S    C  C          C  C  D  D    D  C
Snow                                               S

$$