Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
1205 AM CDT Thu Apr 19 2018

IAZ060-201000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
1205 AM CDT Thu Apr 19 2018

Date           04/18/18      Thu 04/19/18            Fri 04/20/18            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                      29          49          28          55          37
Temp                   31 31 31 37 44 49 46 36 32 29 29 39 50 55 53 45 41 38 38
Dewpt                  29 29 27 28 28 28 28 28 26 24 24 31 32 31 32 31 32 31 32
RH                     92 92 85 70 53 44 49 72 78 81 81 73 50 40 44 58 70 76 79
Wind dir               NW  N  N  N  N  N NE NE NE NE  E SE SE SE  E  E  E  E  E
Wind spd                6  6  5  6  8  6  5  4  3  2  3  4  5  8  5  5  5  5  6
Clouds                 B2 B2 SC FW FW CL CL FW FW SC SC FW FW FW B1 B1 B2 B1 B2
PoP 12hr                      5           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain
Snow
Wind chill             24 25    30 38
Min chill              24    23    26          29    23    26          36    32


Date           04/21  Sun 04/22/18  Mon 04/23/18  Tue 04/24/18  Wed 04/25/18
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          56      39    63      40    66      44    66      41    62
Temp          53 54   43 41 57 59   45 42 61 63   48 47 63 60   48 42 58 56
Dewpt         35 35   33 33 37 37   35 35 40 41   38 40 43 42   39 37 38 39
PWind dir         E       E     E      SE    SE       S    NW      NW    NW
Wind char        GN      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B2 B2   B2 B2 B1 SC   SC SC FW FW   FW SC SC B1   B1 SC SC FW
PoP 12hr          5       5     5       0     0      10    10      30     5
Rain shwrs                                                       S  C

$$
IAZ039-201000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
1205 AM CDT Thu Apr 19 2018

Date           04/18/18      Thu 04/19/18            Fri 04/20/18            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                      24          44          20          50          32
Temp                   30 27 27 34 40 44 40 30 25 22 22 35 44 50 47 37 35 34 33
Dewpt                  29 26 24 27 30 30 29 26 22 20 20 28 32 33 32 32 31 31 30
RH                     96 96 88 75 67 57 64 85 88 92 92 75 62 52 56 82 85 89 89
Wind dir               NW  N  N  N NW NW  N  N  N NW  N  E  S SE  E  E  E  E  E
Wind spd                9  8  6  6  8  8  4  2  3  2  2  3  4  4  4  4  4  4  4
Clouds                 OV B1 SC FW FW FW FW SC SC SC SC SC FW FW SC B1 B2 B2 B2
PoP 12hr                      5           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow
Wind chill             21 19 20       38
Min chill              20    17    21    36    20    15    23          27    25


Date           04/21  Sun 04/22/18  Mon 04/23/18  Tue 04/24/18  Wed 04/25/18
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          56      34    60      36    64      41    63      39    60
Temp          52 54   39 36 55 55   42 38 60 59   46 43 60 56   45 40 57 55
Dewpt         35 35   32 31 37 37   35 33 40 41   38 38 43 41   38 35 37 38
PWind dir         E       E    SE      SE    SE       S    NW      NW    NW
Wind char        LT      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B2 B2   B1 B1 B1 SC   SC SC FW FW   FW SC SC B1   B1 SC SC SC
PoP 12hr          5       5     5       5     5      20    20      30    20
Rain shwrs                                            S  S       C  S  S

$$
IAZ048-201000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
1205 AM CDT Thu Apr 19 2018

Date           04/18/18      Thu 04/19/18            Fri 04/20/18            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                      26          46          24          53          35
Temp                   31 30 30 35 41 46 42 31 27 25 25 36 47 53 50 41 38 36 36
Dewpt                  29 28 26 27 29 29 28 28 24 23 22 29 32 32 33 34 32 33 31
RH                     92 92 85 72 62 51 57 88 88 92 88 75 56 44 52 76 79 89 82
Wind dir               NW  N  N  N  N  N  N NE  N NE NE SE SE SE  E  E  E  E  E
Wind spd               10  9  6  8  8  8  6  3  2  2  2  4  5  8  5  6  4  5  5
Clouds                 OV B1 SC FW FW CL CL FW SC SC SC FW FW FW B1 B1 B2 B1 B2
PoP 12hr                      5           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow
Wind chill             22 22 23 26 35 39 35
Min chill              21    21    23    35    24    22    23          34    30


Date           04/21  Sun 04/22/18  Mon 04/23/18  Tue 04/24/18  Wed 04/25/18
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          55      36    62      37    66      43    64      40    62
Temp          53 53   41 38 56 57   43 39 60 62   47 45 60 57   45 41 56 54
Dewpt         35 36   33 33 37 37   34 34 40 41   38 39 42 41   39 36 38 38
PWind dir         E       E     E      SE    SE       S    NW      NW    NW
Wind char        GN      LT    GN      LT    LT      LT    GN      LT    GN
Avg clouds    B2 B2   B2 B2 B1 SC   SC SC FW FW   FW SC SC B1   B1 SC SC FW
PoP 12hr          5       0     5       0     0      20    10      20    10
Rain shwrs                                            S          S  S

$$
IAZ004-201000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
1205 AM CDT Thu Apr 19 2018

Date           04/18/18      Thu 04/19/18            Fri 04/20/18            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                      23          42          19          41          32
Temp                   28 25 26 34 40 42 39 28 25 21 20 33 39 41 39 35 33 33 32
Dewpt                  25 21 20 26 27 29 28 23 20 19 18 26 29 31 29 30 30 30 30
RH                     88 84 78 72 59 60 64 81 81 92 92 75 67 67 67 82 89 89 92
Wind dir               NW  N  N  N  N NW NW  S SW  S  S SE SE SE  E  E SE  E SE
Wind spd               10  9  8  5  4  4  2  2  2  3  2  4  5  5  4  4  4  4  5
Clouds                 B1 B1 SC FW FW FW FW SC SC SC SC SC SC SC B1 B2 B2 B2 B2
PoP 12hr                      5           0           0           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow
Wind chill             19 16 17                                              26
Min chill              18    13    20    37    20    14    18    36    28    26


Date           04/21  Sun 04/22/18  Mon 04/23/18  Tue 04/24/18  Wed 04/25/18
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      33    58      37    64      39    59      36    60
Temp          45 47   38 34 51 55   41 40 59 59   46 40 55 54   42 37 56 53
Dewpt         34 34   31 29 35 38   35 34 41 42   39 36 38 38   36 33 35 36
PWind dir        SE      SE    SE       S     S      SW    NW      NW     W
Wind char        LT      LT    GN      LT    GN      GN    GN      GN    GN
Avg clouds    B2 B2   B1 SC SC SC   SC SC FW SC   SC SC B1 B1   B1 SC SC SC
PoP 12hr          5       5     5       5     5      20    10      20    10
Rain shwrs                                         S  S          S  S
Snowshwrs                                                           S

$$
IAZ035-201000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
1205 AM CDT Thu Apr 19 2018

Date           04/18/18      Thu 04/19/18            Fri 04/20/18            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                      25          42          19          45          33
Temp                   29 28 27 34 39 42 37 27 22 20 20 33 42 45 44 37 35 34 33
Dewpt                  28 24 22 26 29 30 29 24 21 20 19 27 31 34 32 32 32 32 31
RH                     96 85 81 72 67 62 72 88 96100 96 78 65 65 62 82 89 92 92
Wind dir               NW  N  N  N  N  N  N NE NE NE  E SE SE  E  E  E  E  E  E
Wind spd                9  8  6  6  5  5  4  2  1  1  2  4  5  6  5  6  5  6  6
Clouds                 B2 B1 SC FW FW FW FW SC SC SC SC SC SC SC B1 B2 B2 B2 B2
PoP 12hr                      5           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow
Wind chill             20 20 20 28                                        28 27
Min chill              20    17    21    32    22    15    18    38    29    26


Date           04/21  Sun 04/22/18  Mon 04/23/18  Tue 04/24/18  Wed 04/25/18
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      34    59      36    65      41    62      38    61
Temp          50 52   40 36 54 55   41 39 61 62   48 42 59 58   46 39 57 56
Dewpt         36 37   33 31 38 39   35 33 41 43   39 37 41 40   38 34 37 38
PWind dir         E       E    SE      SE     S       S    NW      NW    NW
Wind char        GN      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    B2 B2   B2 B1 B1 SC   SC SC FW FW   SC SC B1 B1   B1 SC SC SC
PoP 12hr          5       5     5       0     0      20    10      20    10
Rain shwrs                                            S          S  S

$$
IAZ094-201000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
1205 AM CDT Thu Apr 19 2018

Date           04/18/18      Thu 04/19/18            Fri 04/20/18            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                      31          53          30          58          39
Temp                   32 32 33 40 48 53 50 39 35 32 32 48 55 58 55 46 43 40 40
Dewpt                  28 29 28 30 30 29 29 29 29 27 27 32 32 31 33 31 32 31 32
RH                     85 88 82 67 49 39 44 67 78 81 81 54 41 36 43 55 65 70 73
Wind dir               NW NW  N  N  N NE NE NE NE  E  E SE SE SE  E  E  E  E  E
Wind spd                9  8  8  9  8  8  6  5  4  4  4  6  8  9  6  6  6  6  6
Clouds                 B1 B1 B1 SC FW CL CL CL FW FW FW FW FW FW SC B1 B2 B1 B2
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain
Wind chill             24 25 26 33
Min chill              24    24    27          30    25    31          39    34


Date           04/21  Sun 04/22/18  Mon 04/23/18  Tue 04/24/18  Wed 04/25/18
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          58      41    62      42    66      45    66      43    63
Temp          57 55   46 42 59 59   47 44 63 63   49 47 65 60   50 43 59 59
Dewpt         35 35   35 35 38 38   36 36 41 41   39 41 44 44   40 38 40 41
PWind dir         E       E     E       E     E      SE    NW      NW    NW
Wind char        GN      GN    GN      LT    LT      LT    GN      GN    GN
Avg clouds    B2 B2   B2 B2 B1 B1   SC SC SC FW   FW SC SC B1   B1 SC SC FW
PoP 12hr          5       5     5       5     5      10    10      30     0
Rain shwrs                                                       S  C

$$
IAZ017-201000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
1205 AM CDT Thu Apr 19 2018

Date           04/18/18      Thu 04/19/18            Fri 04/20/18            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                      23          42          19          43          29
Temp                   29 25 26 33 39 42 38 27 25 21 20 33 39 43 41 34 32 32 29
Dewpt                  26 22 21 26 29 31 29 23 20 19 19 27 30 33 31 31 30 30 28
RH                     88 88 81 75 67 65 70 85 81 92 96 78 70 67 67 89 92 92 96
Wind dir               NW  N  N  N NW NW NW  N NW NW  N SE SE SE  E  E  E  E  E
Wind spd               10  8  6  8  6  6  4  2  2  2  2  3  4  4  3  3  3  4  4
Clouds                 B1 SC SC FW FW FW FW SC SC SC SC SC SC SC B1 B2 B2 B2 B2
PoP 12hr                      5           0           0           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow
Wind chill             20 16 18 27
Min chill              19    15    19    34    20    15    19    37    29    24


Date           04/21  Sun 04/22/18  Mon 04/23/18  Tue 04/24/18  Wed 04/25/18
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      31    56      35    62      39    61      36    59
Temp          47 49   36 33 51 54   39 38 58 59   44 41 57 55   42 37 55 53
Dewpt         35 35   31 29 36 37   33 32 41 42   37 37 41 40   36 33 37 37
PWind dir         E       E    SE      SE     S       S    NW      NW    NW
Wind char        LT      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B2 B1   B1 B1 SC SC   SC SC FW FW   SC SC B1 B1   B1 SC SC SC
PoP 12hr          5       5     5       5     5      20    10      20    20
Rain shwrs                                            S          S  S  S
Snowshwrs                                                           S

$$
IAZ049-201000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
1205 AM CDT Thu Apr 19 2018

Date           04/18/18      Thu 04/19/18            Fri 04/20/18            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                      25          45          22          51          33
Temp                   29 28 28 35 42 45 41 30 25 23 23 35 46 51 47 39 37 35 34
Dewpt                  29 27 25 27 29 29 28 27 23 22 21 29 31 32 33 32 32 32 31
RH                    100 96 88 72 60 53 59 88 92 96 92 78 55 48 58 76 82 89 89
Wind dir               NW  N  N  N  N  N  N  N  N  N  N SE SE SE  E  E  E  E  E
Wind spd               10  9  8  8  8  9  5  3  3  2  2  3  4  6  5  5  5  5  5
Clouds                 OV B1 SC FW FW FW FW FW SC SC SC SC FW FW SC B1 B2 B2 B2
PoP 12hr                      5           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow
Wind chill             20 19 21 26 35 39
Min chill              20    18    22    34    20    18    23          31    27


Date           04/21  Sun 04/22/18  Mon 04/23/18  Tue 04/24/18  Wed 04/25/18
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      34    60      36    65      41    63      39    61
Temp          51 51   39 36 55 54   41 38 58 59   45 43 59 54   46 40 54 52
Dewpt         35 36   33 32 37 37   33 33 39 41   38 38 42 42   38 36 38 38
PWind dir         E       E     E      SE    SE       S     W      NW    NW
Wind char        LT      LT    GN      LT    LT      LT    GN      GN    GN
Avg clouds    B2 B2   B2 B2 B1 B1   SC SC FW FW   FW SC SC B1   B1 SC SC FW
PoP 12hr          5       0     5       5     5      20    10      30    20
Rain shwrs                                            S          S  C  S

$$
IAZ086-201000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
1205 AM CDT Thu Apr 19 2018

Date           04/18/18      Thu 04/19/18            Fri 04/20/18            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                      29          52          26          58          37
Temp                   31 32 33 40 47 52 48 36 32 28 27 42 53 58 54 45 41 38 38
Dewpt                  28 29 29 28 28 28 28 30 27 24 24 31 30 29 31 30 31 30 31
RH                     88 88 85 62 47 39 46 79 81 85 88 65 41 33 41 55 67 73 76
Wind dir               NW NW  N  N  N  N  N NE NE NE NE  E SE SE  E  E  E  E  E
Wind spd               10 10  9  8  9  9  6  5  3  2  2  3  5  8  6  6  5  6  5
Clouds                 B2 B1 SC FW FW CL CL CL FW SC SC FW FW FW SC SC B1 B1 B2
PoP 12hr                      5           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain
Snow
Wind chill             22 24 25 33
Min chill              20    22    27          27    22    28          37    32


Date           04/21  Sun 04/22/18  Mon 04/23/18  Tue 04/24/18  Wed 04/25/18
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          58      39    62      40    66      44    66      43    62
Temp          55 56   44 40 57 58   45 42 62 63   48 46 63 61   49 44 58 57
Dewpt         33 34   33 34 37 36   35 36 39 40   37 40 44 43   40 38 39 39
PWind dir         E       E     E       E     E      SE     W      NW    NW
Wind char        GN      LT    GN      LT    LT      LT    GN      GN    GN
Avg clouds    B2 B2   B2 B2 B1 B1   SC SC FW FW   FW SC SC B1   B1 SC SC FW
PoP 12hr          5       5     5       5     5      10    20      20    10
Rain shwrs                                               S       S  S

$$



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