Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
845 PM CDT Wed Apr 17 2024

IAZ060-180900-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
845 PM CDT Wed Apr 17 2024

Date           04/17/24      Thu 04/18/24            Fri 04/19/24            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                      47          57          37          57          35
Temp                56 53 52 49 50 52 56 56 48 43 38 37 49 55 57 55 47 44 38 35
Dewpt               42 43 45 44 45 44 41 36 33 31 29 27 28 26 27 28 28 28 27 26
RH                  59 69 77 83 83 74 57 47 56 62 70 67 44 32 31 35 47 53 64 69
Wind dir             N  E  N  N  N  N  N NW NW NW  W  W  W NW NW NW NW NW NW NW
Wind spd             2  5  9 12 12 12 13 12 11 10  5  5 13 18 18 11 11 12 10 12
Wind gust                                23                28 32 21
Clouds              SC B1 OV OV OV OV B1 FW CL CL FW FW SC SC B1 B2 B1 B1 SC FW
PoP 12hr                     80          80           0           0           0
QPF 12hr                   0.35        0.10           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  D  D  L  S
Tstms                   S  S  S
Wind chill                                     37                      37 32 27
Min chill                                      37    32    35          36    27


Date           04/20  Sun 04/21/24  Mon 04/22/24  Tue 04/23/24  Wed 04/24/24
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          53      32    59      39    65      46    65      43    67
Temp          49 51   38 34 54 57   44 41 61 62   54 46 61 62   49 44 63 64
Dewpt         25 25   27 27 28 29   31 32 37 40   42 40 40 38   37 38 41 41
PWind dir        NW      NW    NW      SW     S      SW    NW      NE    SE
Wind char        BZ      LT    GN      LT    GN      BZ    BZ      GN    GN
Avg clouds    FW SC   SC FW FW FW   SC SC B1 B2   B2 SC FW SC   SC SC SC SC
PoP 12hr          0       0     0       5    40      50    10      10    20
Rain shwrs                                 C  C    C  C                S  S
Tstms                                              S  S

$$
IAZ039-180900-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
845 PM CDT Wed Apr 17 2024

Date           04/17/24      Thu 04/18/24            Fri 04/19/24            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          56          35          54          32
Temp                49 46 46 45 48 51 54 53 45 41 36 35 47 52 54 51 43 39 34 32
Dewpt               45 44 41 43 44 44 42 37 35 32 29 28 28 27 26 26 27 25 25 23
RH                  86 93 83 93 86 77 64 54 68 70 75 75 47 38 34 37 53 57 69 69
Wind dir            NW NW  N  N  N NW NW NW NW NW  W  W  W  W  W  W  W NW NW NW
Wind spd             5  4  5  8  8  9 12 12 10 10  8  8 18 25 25 18 13 11 10 12
Wind gust                                               29 37 41
Clouds              SC SC OV OV OV OV B1 SC FW CL CL FW FW FW SC SC SC SC FW FW
PoP 12hr                     80          90           0           0           0
QPF 12hr                   0.10        0.15           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 C  D  L  C
Wind chill                                     35 30 29             37 31 26 23
Min chill                    39    39          33    27    31          30    23


Date           04/20  Sun 04/21/24  Mon 04/22/24  Tue 04/23/24  Wed 04/24/24
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          51      30    58      36    64      44    62      40    65
Temp          48 48   36 31 53 55   41 38 60 59   49 45 59 58   45 41 61 61
Dewpt         26 25   25 25 28 29   30 30 37 40   43 40 41 38   37 35 40 40
PWind dir        NW      NW    NW      SW     S      SW    NW       N     E
Wind char        BZ      GN    GN      LT    GN      BZ    BZ      GN    GN
Avg clouds    FW B1   SC FW FW FW   FW FW SC B2   B2 B1 SC SC   SC SC SC SC
PoP 12hr          0       0     0       5    50      60    10       5    20
Rain shwrs                                 S  C    L  C                   S
Tstms                                              S  S

$$
IAZ048-180900-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
845 PM CDT Wed Apr 17 2024

Date           04/17/24      Thu 04/18/24            Fri 04/19/24            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                      46          57          34          56          32
Temp                52 49 49 47 48 51 56 54 45 40 36 35 48 54 56 54 45 40 35 32
Dewpt               45 44 44 44 45 44 40 36 33 31 29 27 28 27 27 28 28 28 27 25
RH                  77 83 83 89 89 77 55 50 62 70 75 72 46 35 32 36 51 62 72 75
Wind dir             W NE  N  N  N  N NW NW NW NW  W  W  W  W  W NW NW NW NW NW
Wind spd             4  5  8 11 10 10 13 12 11 10  5  6 14 20 20 13 12 12 10 11
Wind gust                                               26 34 35    23
Clouds              FW B1 OV OV OV OV B1 FW FW CL CL SC FW SC B1 SC B1 B1 SC FW
PoP 12hr                     90          90           0           0           0
QPF 12hr                   0.28        0.12           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  D  D  L  S
Tstms                         S
Wind chill                                  39 34    29             39 33 27 24
Min chill                                      33    28    32          32    23


Date           04/20  Sun 04/21/24  Mon 04/22/24  Tue 04/23/24  Wed 04/24/24
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          51      30    58      37    65      44    63      40    67
Temp          48 49   36 32 53 56   41 39 61 60   51 44 60 60   46 42 62 63
Dewpt         26 26   27 26 29 29   32 32 39 42   42 39 41 38   38 38 41 41
PWind dir        NW      NW    NW      SW     S      SW    NW       N    SE
Wind char        BZ      GN    GN      LT    BZ      BZ    BZ      GN    GN
Avg clouds    FW B1   SC FW FW FW   SC FW B1 B2   B2 SC SC SC   SC SC SC SC
PoP 12hr          0       0     0      10    50      50    10      10    20
Rain shwrs                                 C  C    C  S                S  S
Tstms                                              S  S

$$
IAZ004-180900-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
845 PM CDT Wed Apr 17 2024

Date           04/17/24      Thu 04/18/24            Fri 04/19/24            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                      42          55          32          50          28
Temp                47 47 43 42 46 51 54 50 41 38 34 32 42 47 50 47 38 35 31 28
Dewpt               43 42 41 39 37 34 32 29 29 27 26 24 23 23 24 23 23 23 21 20
RH                  86 83 93 89 71 52 43 44 62 64 72 72 46 38 36 38 54 61 66 71
Wind dir            NW NW NW NW NW  W  W NW NW  W  W  W  W  W  W  W NW NW NW NW
Wind spd             8 10 10 10 13 17 21 18 13 11 10 10 21 26 28 21 17 14 13 12
Wind gust                                31             36 42 47 39 27
Clouds              B1 OV OV OV B2 B1 SC SC FW CL FW CL FW FW SC B1 SC FW FW FW
PoP 12hr                     90          50           0           0           0
QPF 12hr                   0.56        0.05           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              L  D  C  S
Wind chill                37 36             33 30 26 24 33 39    39 29 25 21 18
Min chill                    36    36          29    23    26    39    23    17


Date           04/20  Sun 04/21/24  Mon 04/22/24  Tue 04/23/24  Wed 04/24/24
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          48      28    58      37    61      40    60      38    64
Temp          44 46   34 30 51 55   41 40 56 56   46 40 53 57   42 39 58 60
Dewpt         24 23   24 24 26 27   31 32 39 42   39 35 36 33   34 34 38 39
PWind dir        NW      NW     W       S     S       W    NW      NE    SE
Wind char        BZ      GN    GN      GN    BZ      BZ    BZ      GN    GN
Avg clouds    SC B1   SC FW FW FW   FW SC B1 B2   B1 SC SC SC   SC SC SC SC
PoP 12hr          0       0     0      10    60      40     5       5    20
Rain shwrs                                 C  L    C  S                   S
Tstms                                              S

$$
IAZ035-180900-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
845 PM CDT Wed Apr 17 2024

Date           04/17/24      Thu 04/18/24            Fri 04/19/24            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          56          33          54          29
Temp                51 48 47 45 47 52 55 52 43 39 35 33 46 52 54 51 42 37 32 29
Dewpt               43 43 42 42 42 40 35 31 31 29 28 27 27 25 26 26 27 25 24 22
RH                  74 83 83 89 83 63 47 44 62 67 75 78 47 35 34 37 55 61 72 75
Wind dir            NW  N  N  N  N NW NW NW NW NW  W  W  W  W  W  W  W NW NW NW
Wind spd             4  6 10  9  9 12 16 14 10  9  5  8 16 20 20 14 12 11 10 11
Wind gust                                                  31 32
Clouds              SC OV OV OV OV B2 SC SC FW CL CL FW FW FW SC B1 SC SC FW FW
PoP 12hr                    100          90           0           0           0
QPF 12hr                   0.34        0.12           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  D  D  C
Wind chill                                  37 33 29 27             35 29 24 21
Min chill                    38    39          32    26    30          29    20


Date           04/20  Sun 04/21/24  Mon 04/22/24  Tue 04/23/24  Wed 04/24/24
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          50      28    58      37    64      41    62      38    67
Temp          47 48   35 30 53 56   41 39 59 59   48 42 57 58   44 39 61 62
Dewpt         25 25   25 25 28 28   31 32 39 41   41 37 39 35   36 35 40 39
PWind dir        NW      NW     W       S     S      SW    NW      NE    SE
Wind char        BZ      GN    GN      LT    BZ      BZ    BZ      GN    GN
Avg clouds    FW B1   B1 FW FW FW   FW SC B1 B2   B2 SC SC SC   SC SC SC B1
PoP 12hr          0       0     0      10    60      40    10      10    20
Rain shwrs                                 C  L    C  S                S  S
Tstms                                              S

$$
IAZ094-180900-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
845 PM CDT Wed Apr 17 2024

Date           04/17/24      Thu 04/18/24            Fri 04/19/24            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                      48          56          37          57          37
Temp                57 55 54 50 50 51 54 54 46 42 38 37 49 55 57 55 48 44 40 37
Dewpt               42 43 47 47 47 46 44 39 36 33 30 29 30 29 29 31 32 31 29 27
RH                  57 64 77 89 89 83 69 57 68 70 73 72 48 37 34 40 54 60 64 67
Wind dir             E  E NE NE  N  N  N  N NW NW NW NW NW NW NW NW NW NW NW NW
Wind spd             2  8 10 13 18 18 17 12 10 10  6  5 10 11 11  6  6  9 10 11
Wind gust                       29    27
Clouds              FW B1 OV OV OV OV B1 FW CL CL FW SC SC B1 B2 B2 B2 B2 B2 B1
PoP 12hr                     80          90           5           0           5
QPF 12hr                   0.63        0.11           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  L  D  C  S
Tstms                   S  C  C     S
Wind chill                                     36                         34 30
Min chill                                      36    32    36          38    30


Date           04/20  Sun 04/21/24  Mon 04/22/24  Tue 04/23/24  Wed 04/24/24
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          53      33    58      39    65      47    66      43    67
Temp          50 50   39 34 54 56   43 41 61 62   53 47 61 62   49 44 63 63
Dewpt         28 27   28 28 30 31   32 33 39 43   44 42 44 41   40 40 44 43
PWind dir        NW      NW    NW       S     S      SW    NW      NE    SE
Wind char        GN      GN    GN      LT    BZ      BZ    BZ      GN    GN
Avg clouds    SC SC   SC SC FW FW   SC SC B1 B2   B2 SC SC SC   SC SC SC SC
PoP 12hr          0       0     0       5    40      40    20      10    30
Rain shwrs                                 C  C    C  S  S          S  S  C
Tstms                                              S  S

$$
IAZ017-180900-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
845 PM CDT Wed Apr 17 2024

Date           04/17/24      Thu 04/18/24            Fri 04/19/24            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                      42          55          32          51          29
Temp                46 43 43 42 46 50 54 51 42 37 33 32 44 48 51 48 39 35 31 29
Dewpt               43 42 41 41 42 40 35 33 32 29 26 26 25 24 25 24 24 23 22 21
RH                  89 96 93 96 86 68 48 50 67 72 75 78 47 39 36 39 54 61 69 72
Wind dir            NW NW NW NW NW NW NW NW NW  W  W  W  W  W  W  W NW NW NW NW
Wind spd             6  5 10  6 10 12 17 14 10 10  9 10 19 25 27 18 12 12 12 12
Wind gust                                               32 42 47 32
Clouds              SC B2 OV OV OV B2 SC SC FW CL CL CL CL FW SC SC SC SC FW FW
PoP 12hr                     90          80           0           0           0
QPF 12hr                   0.28        0.12           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  D  D  C  S
Wind chill                37                36 30 25 24 36          32 26 22 19
Min chill              39    36    38          30    24    28          25    19


Date           04/20  Sun 04/21/24  Mon 04/22/24  Tue 04/23/24  Wed 04/24/24
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          48      27    57      35    62      40    59      37    64
Temp          44 46   33 29 51 53   38 38 58 56   46 41 54 55   42 38 58 60
Dewpt         24 23   24 24 26 27   29 31 37 41   41 37 39 36   35 34 38 38
PWind dir        NW      NW     W      SW     S      SW    NW       N    SE
Wind char        BZ      GN    GN      LT    BZ      BZ    BZ      GN    GN
Avg clouds    SC B1   SC FW FW FW   FW FW B1 B2   B2 SC SC SC   SC SC SC SC
PoP 12hr          0       0     0      10    50      50    10       5    20
Rain shwrs                                 C  C    C  S                   S
Tstms                                              S  S

$$
IAZ049-180900-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
845 PM CDT Wed Apr 17 2024

Date           04/17/24      Thu 04/18/24            Fri 04/19/24            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          56          33          55          31
Temp                49 48 47 46 48 51 54 53 44 39 35 33 47 53 55 52 43 39 33 31
Dewpt               45 44 42 44 45 44 42 38 34 31 29 28 28 27 26 27 27 27 26 24
RH                  86 86 83 93 89 77 64 57 68 73 78 82 47 36 32 38 53 62 75 75
Wind dir            NW NE  N  N  N  N NW NW NW NW  W  W  W  W  W NW  W NW NW NW
Wind spd             5  4  6  9 10  9 10 10 10  9  5  5 14 21 21 13 10 10 10 10
Wind gust                                                  36 37
Clouds              SC SC OV OV OV OV B1 FW FW CL CL FW FW FW SC SC SC SC FW FW
PoP 12hr                     80          90           0           0           0
QPF 12hr                   0.18        0.15           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 L  D  L  C
Wind chill                                  38 33 29                37 32 25 23
Min chill                                      33    27    31          31    23


Date           04/20  Sun 04/21/24  Mon 04/22/24  Tue 04/23/24  Wed 04/24/24
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          51      28    58      35    64      43    63      39    65
Temp          48 48   35 30 53 54   40 37 60 59   49 43 59 58   45 40 61 61
Dewpt         26 25   25 25 28 29   30 31 37 40   42 40 41 38   37 37 40 40
PWind dir        NW      NW    NW      SW     S      SW    NW       N    SE
Wind char        BZ      GN    GN      LT    GN      BZ    BZ      GN    GN
Avg clouds    FW B1   SC FW FW FW   SC FW SC B2   B2 B1 SC SC   SC SC SC SC
PoP 12hr          0       0     0       5    50      60    10      10    20
Rain shwrs                                 C  C    L  C                S  S
Tstms                                              S  S

$$
IAZ086-180900-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
845 PM CDT Wed Apr 17 2024

Date           04/17/24      Thu 04/18/24            Fri 04/19/24            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                      47          56          37          57          37
Temp                55 52 51 50 50 53 54 53 48 43 39 37 49 55 57 55 47 44 40 37
Dewpt               45 45 45 47 48 47 45 43 39 34 32 31 31 29 29 30 30 30 29 29
RH                  69 77 80 89 93 80 71 69 71 70 76 79 50 37 34 38 51 57 64 72
Wind dir            NW  E  E NE NE  N  N  N NW NW NW  W NW NW NW NW NW NW NW NW
Wind spd             3  5 10 11 13 14 13 11 11 12  9  8 12 17 17 10 10 11 11 12
Clouds              FW FW B2 OV OV OV B2 SC FW CL CL FW SC SC B1 B2 B2 B1 B1 SC
PoP 12hr                     90          90           0           0           0
QPF 12hr                   0.27        0.23           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 L  D  C  C  C
Tstms                      S  C  S  S
Wind chill                                     36 33                   38 33 29
Min chill                                      36    31    35          36    28


Date           04/20  Sun 04/21/24  Mon 04/22/24  Tue 04/23/24  Wed 04/24/24
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      32    58      38    65      48    66      43    67
Temp          50 51   38 34 53 56   43 40 61 61   54 49 61 61   50 44 63 63
Dewpt         28 27   27 28 29 30   31 33 37 41   43 43 43 40   39 40 42 43
PWind dir        NW      NW    NW      SW     S      SW    NW       N     E
Wind char        GN      GN    GN      LT    GN      BZ    BZ      GN    GN
Avg clouds    SC SC   SC SC FW FW   SC FW SC B2   B2 B1 SC FW   SC SC SC SC
PoP 12hr          0       0     0       5    40      50    20      10    20
Rain shwrs                                 S  C    C  C  S             S  S
Tstms                                              S  S

$$


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