Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
1214 PM CDT Thu Apr 18 2024

IAZ060-182100-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
1214 PM CDT Thu Apr 18 2024

Date             Thu 04/18/24            Fri 04/19/24            Sat 04/20/24
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                      54          34          59          33          52
Temp                   49 50 51 47 42 37 35 49 56 59 56 47 43 38 34 41 47 50 50
Dewpt                  44 41 37 33 30 29 28 28 26 26 28 27 27 25 24 24 25 26 25
RH                     83 71 59 58 62 72 75 44 31 28 34 45 53 59 66 50 42 39 37
Wind dir                N  N NW NW NW  W  W  W  W  W NW NW NW NW NW NW NW NW NW
Wind spd               11 13 12 10 10  5  5 13 17 18 13 11 10 10 10 13 14 14 13
Wind gust                    23                28 29                   25 25 24
Clouds                 OV B2 SC FW CL CL FW FW SC SC B1 B2 B1 B1 FW FW B1 B1 B1
PoP 12hr                     50           0           0           0           0
QPF 12hr                   0.07           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C
Tstms
Wind chill                         36                      37 31 27 33
Min chill                          36    30    33          36    26    28


Date          Sun 04/21/24  Mon 04/22/24  Tue 04/23/24  Wed 04/24/24
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          31    59      37    64      46    64      39    64
Temp          39 33 54 57   43 40 60 62   54 47 60 60   46 41 60 62
Dewpt         27 26 28 29   31 31 38 40   42 40 39 36   34 34 37 38
PWind dir        NW    NW      SW     S      SW    NW       N     E
Wind char        LT    GN      LT    BZ      BZ    BZ      GN    GN
Avg clouds    SC FW FW FW   FW FW SC B2   B2 SC SC SC   FW FW SC SC
PoP 12hr          0     0       0    40      60    20       5    20
Rain shwrs                         S  C    L  C  S                S
Tstms                                      S

$$
IAZ039-182100-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
1214 PM CDT Thu Apr 18 2024

Date             Thu 04/18/24            Fri 04/19/24            Sat 04/20/24
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                      54          33          55          31          50
Temp                   49 49 50 44 40 35 33 47 53 55 52 43 38 34 31 40 45 48 47
Dewpt                  44 41 39 35 32 30 29 27 27 25 26 27 25 23 22 24 26 26 25
RH                     83 74 66 70 73 82 85 45 36 31 36 53 59 64 69 52 47 42 42
Wind dir               NW NW NW NW NW  W  W  W  W  W  W NW NW NW NW NW NW NW NW
Wind spd                8 12 10 11 10  6  6 18 24 25 18 13 10 12 12 18 19 18 13
Wind gust                                      37 39 29             28    28
Clouds                 OV B2 SC FW CL CL CL CL FW FW SC SC FW FW CL SC B1 B1 B1
PoP 12hr                     90           0           0           0           0
QPF 12hr                   0.14           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              L
Wind chill                         33 28 26             36 30 25 22 31 38
Min chill                          33    25    29          29    21    23    38


Date          Sun 04/21/24  Mon 04/22/24  Tue 04/23/24  Wed 04/24/24
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          30    59      35    63      44    62      37    62
Temp          35 31 54 56   40 37 60 58   50 44 58 57   44 39 58 59
Dewpt         26 25 28 29   29 30 36 39   42 39 40 36   34 32 36 35
PWind dir        NW     W      SW     S      SW    NW       N     E
Wind char        LT    GN      LT    GN      BZ    BZ      GN    GN
Avg clouds    SC FW CL CL   FW FW SC B2   B2 B1 SC SC   FW FW SC SC
PoP 12hr          0     0       0    50      70    20       5    10
Rain shwrs                         S  C    L  C  S
Tstms                                      S

$$
IAZ048-182100-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
1214 PM CDT Thu Apr 18 2024

Date             Thu 04/18/24            Fri 04/19/24            Sat 04/20/24
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                      55          32          58          31          50
Temp                   49 51 50 44 40 35 34 48 56 58 54 45 38 34 32 40 46 49 48
Dewpt                  42 40 36 33 32 30 28 28 27 26 28 28 27 25 23 24 26 26 26
RH                     77 66 58 65 73 82 78 46 32 29 36 51 64 69 69 52 45 40 42
Wind dir                N NW NW NW NW  W  W  W  W  W  W NW NW NW NW NW NW NW NW
Wind spd               12 13 13 10  9  5  5 16 20 19 14 12 10 10 10 14 16 14 13
Wind gust                                   26 33 32 25             25
Clouds                 OV B1 FW FW CL CL CL CL FW SC B1 B1 B1 FW FW FW B1 B2 B1
PoP 12hr                     70           0           0           0           0
QPF 12hr                   0.08           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C
Wind chill                      38 33                   39 31 26 24 32 39
Min chill                          32    28    30          31    22    24


Date          Sun 04/21/24  Mon 04/22/24  Tue 04/23/24  Wed 04/24/24
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          29    59      36    63      44    64      38    64
Temp          36 31 54 56   41 38 59 59   50 44 58 59   44 40 59 61
Dewpt         27 26 29 29   31 31 39 41   42 40 40 36   34 34 37 38
PWind dir        NW     W      SW     S      SW    NW       N     E
Wind char        LT    GN      LT    BZ      BZ    BZ      GN    GN
Avg clouds    SC FW CL FW   FW FW SC B2   B2 SC SC SC   FW FW SC SC
PoP 12hr          0     0       5    50      60    20       5    20
Rain shwrs                         C  C    L  C  S                S
Tstms                                      S

$$
IAZ004-182100-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
1214 PM CDT Thu Apr 18 2024

Date             Thu 04/18/24            Fri 04/19/24            Sat 04/20/24
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                      53          31          51          28          49
Temp                   49 51 47 40 35 33 31 42 47 51 48 38 33 31 28 36 42 47 46
Dewpt                  33 29 27 29 27 26 25 25 22 22 23 22 21 20 19 23 24 24 23
RH                     54 42 45 64 72 75 78 50 37 32 37 52 61 63 68 59 48 40 40
Wind dir                W  W NW NW  W  W  W  W  W  W NW NW NW NW NW NW NW NW NW
Wind spd               16 21 18 11 10  9 10 21 26 26 21 17 14 14 13 18 18 18 13
Wind gust                    29                41 42 37 27          29 28    25
Clouds                 B1 SC FW CL CL CL CL CL FW FW SC SC FW FW CL SC B1 B1 B1
PoP 12hr                      5           0           0           0           0
QPF 12hr                   0.02           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs
Wind chill                      32 27 25 22 33 39       29 23 21 17 26 33
Min chill                          27    22    23    37    22    17    19    36


Date          Sun 04/21/24  Mon 04/22/24  Tue 04/23/24  Wed 04/24/24
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          28    58      37    61      39    58      35    62
Temp          34 30 52 56   40 39 55 56   45 41 53 54   41 37 56 59
Dewpt         24 23 26 27   29 31 39 42   39 35 35 33   33 31 35 35
PWind dir        NW     W      SW     S       W    NW       N    SE
Wind char        GN    GN      GN    BZ      BZ    BZ      GN    GN
Avg clouds    SC FW CL CL   FW SC B2 B2   B1 SC SC SC   SC FW FW SC
PoP 12hr          0     0       5    70      50    10       5    10
Rain shwrs                         C  L    C  S
Tstms                                 S    S  S

$$
IAZ035-182100-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
1214 PM CDT Thu Apr 18 2024

Date             Thu 04/18/24            Fri 04/19/24            Sat 04/20/24
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                      55          31          55          28          50
Temp                   49 52 49 43 38 35 33 47 53 55 51 42 35 31 29 38 45 48 47
Dewpt                  38 35 32 31 30 28 28 27 24 25 25 26 24 22 21 24 25 26 25
RH                     66 52 52 62 73 75 82 45 32 31 36 53 64 69 72 57 45 42 42
Wind dir               NW NW NW NW NW  W  W  W  W  W  W NW NW NW NW NW NW NW NW
Wind spd               10 14 13 10  8  5  8 16 20 19 16 13 10 10 10 13 14 13 12
Wind gust                                         31
Clouds                 B2 SC FW FW CL FW CL CL FW SC SC SC FW FW CL SC B1 B1 B1
PoP 12hr                     40           0           0           0           0
QPF 12hr                   0.05           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S
Wind chill                      37 32    27             34 27 22 20 30 38
Min chill                          30    26    29          27    20    22


Date          Sun 04/21/24  Mon 04/22/24  Tue 04/23/24  Wed 04/24/24
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          28    59      36    62      41    61      35    63
Temp          34 30 53 56   40 38 57 57   47 42 56 56   41 37 58 60
Dewpt         25 25 28 28   31 31 39 41   40 38 38 33   33 32 36 35
PWind dir        NW     W      SW     S       W    NW       N    SE
Wind char        LT    GN      GN    BZ      BZ    BZ      GN    GN
Avg clouds    SC FW CL CL   FW SC B1 B2   B2 SC SC SC   FW SC SC SC
PoP 12hr          0     0       5    60      60    10       5    20
Rain shwrs                         C  L    L  C                   S
Tstms                                 S    S

$$
IAZ094-182100-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
1214 PM CDT Thu Apr 18 2024

Date             Thu 04/18/24            Fri 04/19/24            Sat 04/20/24
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                      52          34          59          35          52
Temp                   48 48 49 46 42 38 37 49 56 58 56 48 43 40 36 43 48 50 49
Dewpt                  45 44 41 36 33 30 29 30 29 30 33 32 30 28 26 26 26 27 27
RH                     89 86 74 68 70 73 72 48 35 34 42 54 60 62 67 51 42 41 42
Wind dir                N  N  N  N NW NW  W  W NW NW NW NW NW NW NW NW NW NW NW
Wind spd               17 18 13 12 10  6  5 10 10 10  8  5  9 10  9 13 12 12 11
Wind gust              28 28 24
Clouds                 OV B2 SC CL CL FW FW SC SC B1 B2 B2 B2 B2 B1 FW SC B1 SC
PoP 12hr                     70           0           0           5           0
QPF 12hr                   0.22           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C
Tstms                   C
Wind chill                         36                         33 29 36
Min chill                          35    31    35          37    29    29


Date          Sun 04/21/24  Mon 04/22/24  Tue 04/23/24  Wed 04/24/24
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          31    58      37    65      47    66      40    65
Temp          39 33 54 56   42 40 60 62   55 49 61 60   47 42 61 62
Dewpt         28 27 30 31   32 32 39 42   44 42 41 38   36 36 40 40
PWind dir        NW    NW      SW     S      SW    NW       N     E
Wind char        LT    GN      LT    BZ      BZ    BZ      GN    GN
Avg clouds    SC FW FW FW   FW FW SC B2   B2 B1 SC SC   FW FW SC SC
PoP 12hr          0     0       0    30      50    30      10    20
Rain shwrs                         S  C    C  C  C             S  S
Tstms                                      S  S

$$
IAZ017-182100-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
1214 PM CDT Thu Apr 18 2024

Date             Thu 04/18/24            Fri 04/19/24            Sat 04/20/24
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                      54          30          52          28          47
Temp                   48 52 49 40 35 32 31 43 49 51 47 39 33 30 29 37 42 46 45
Dewpt                  37 35 32 31 29 27 27 26 25 23 25 24 22 20 21 23 24 24 24
RH                     65 52 52 70 78 81 85 51 39 33 42 54 63 66 72 56 48 42 43
Wind dir               NW NW NW NW  W  W  W  W  W  W NW NW NW NW NW NW NW NW NW
Wind spd               11 13 14 10 10  8 10 18 24 25 18 12 13 13 12 17 18 18 13
Wind gust                                   28 40 42 32             27 29 28
Clouds                 OV B1 SC FW CL CL CL CL FW FW SC SC SC FW FW SC B1 B1 SC
PoP 12hr                     30           0           0           0           0
QPF 12hr                   0.05           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S
Wind chill                      33 28 25 22 35          30 23 19 19 27 33 39 39
Min chill                          27    22    24    39    23    17    19    36


Date          Sun 04/21/24  Mon 04/22/24  Tue 04/23/24  Wed 04/24/24
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          28    58      35    61      40    59      34    61
Temp          32 29 52 54   39 37 57 54   46 41 54 53   40 36 56 57
Dewpt         24 23 26 26   28 30 36 40   40 38 38 33   32 31 36 34
PWind dir        NW     W      SW     S      SW    NW       N    SE
Wind char        GN    GN      LT    BZ      BZ    BZ      GN    GN
Avg clouds    FW FW CL CL   FW SC B1 B2   B2 B1 SC SC   FW FW FW SC
PoP 12hr          0     0       5    50      60    10       5    10
Rain shwrs                         C  C    L  C
Tstms                                      S  S

$$
IAZ049-182100-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
1214 PM CDT Thu Apr 18 2024

Date             Thu 04/18/24            Fri 04/19/24            Sat 04/20/24
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                      54          31          57          30          50
Temp                   48 50 50 43 39 34 32 47 55 57 53 43 38 33 31 40 45 48 46
Dewpt                  44 41 38 34 32 30 28 28 27 26 26 27 26 24 23 24 25 26 25
RH                     86 71 63 70 76 85 85 47 34 30 35 53 62 69 72 52 45 42 43
Wind dir                N NW NW NW NW  W  W  W  W  W  W NW NW NW NW NW NW NW NW
Wind spd                9 12 11 10  9  5  5 14 21 20 14 11 10 10  9 14 17 16 12
Wind gust                                   25 36 35 25             25    27
Clouds                 OV B2 SC FW CL CL CL CL FW FW SC SC SC FW CL FW B1 B2 B1
PoP 12hr                     80           0           0           0           0
QPF 12hr                   0.11           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              L
Wind chill                      37 33    26             36 31 25 23 32 38
Min chill                          32    26    29          30    21    24    39


Date          Sun 04/21/24  Mon 04/22/24  Tue 04/23/24  Wed 04/24/24
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          28    58      34    63      42    63      36    62
Temp          34 30 53 55   39 36 59 57   50 44 58 57   43 38 58 59
Dewpt         26 25 28 29   30 31 37 40   42 39 40 36   34 33 36 37
PWind dir        NW     W      SW     S      SW    NW       N     E
Wind char        LT    GN      LT    BZ      BZ    BZ      GN    GN
Avg clouds    SC FW CL CL   FW FW SC B2   B2 SC SC SC   FW FW FW SC
PoP 12hr          0     0       0    50      70    20       5    10
Rain shwrs                         S  C    L  C  S
Tstms                                      S

$$
IAZ086-182100-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
1214 PM CDT Thu Apr 18 2024

Date             Thu 04/18/24            Fri 04/19/24            Sat 04/20/24
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                      52          34          59          35          52
Temp                   48 48 49 46 43 38 37 49 56 59 56 47 43 39 36 43 48 50 49
Dewpt                  45 45 42 38 34 32 30 31 30 30 32 30 29 28 26 26 27 27 27
RH                     89 89 77 73 70 79 75 50 37 33 40 51 57 64 67 51 44 41 42
Wind dir               NE  N  N NW NW NW  W  W  W  W  W  W NW NW NW NW NW NW NW
Wind spd               13 13 14 10 12  8  6 12 14 14 11 10 11 10 10 13 13 14 12
Wind gust                 24                   25
Clouds                 OV OV SC FW FW CL FW FW SC SC B1 B2 B1 B1 SC FW SC SC B1
PoP 12hr                     80           0           0           0           0
QPF 12hr                   0.46        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              L  C
Tstms                   C
Wind chill                         36 32                   37 32 29 36
Min chill                          35    28    32          34    29    29


Date          Sun 04/21/24  Mon 04/22/24  Tue 04/23/24  Wed 04/24/24
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          31    58      37    65      48    66      40    64
Temp          37 33 54 56   41 39 61 61   55 49 61 60   47 42 59 61
Dewpt         28 28 29 31   31 31 37 40   42 42 42 39   36 36 39 39
PWind dir        NW    NW      SW     S      SW    NW       N     E
Wind char        LT    GN      LT    GN      BZ    BZ      GN    GN
Avg clouds    SC FW FW FW   FW FW SC B2   B2 B1 SC SC   FW FW FW SC
PoP 12hr          0     0       0    30      60    30      10    20
Rain shwrs                            C    L  C  C                S

$$


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