Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
906 AM CST Thu Jan 18 2018

IAZ060-182200-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
906 AM CST Thu Jan 18 2018

Date             Thu 01/18/18            Fri 01/19/18            Sat 01/20/18
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                      39          24          47          28          42
Temp                   34 39 30 25 24 24 24 26 40 45 38 34 32 30 28 30 40 41 37
Dewpt                  19 21 21 21 21 20 19 22 27 29 27 28 27 27 25 27 31 34 32
RH                     54 48 69 84 88 84 81 85 59 53 64 78 81 88 88 88 70 76 82
Wind dir               SW SW SW SW SW  S  S SW SW SW SW SW SW SW SW SW SW  S SE
Wind spd               10 10  6  6  6  5  6  8 11 12 11  9  8  5  5  4  5  5  4
Wind gust                                         23
Clouds                 FW FW CL FW FW FW FW FW FW FW SC FW SC SC SC SC B1 SC B1
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle                                                                       S
Wind chill             26 32 22 18 17 17 16 18 32 39 31 27 25 24 22
Min chill              11    21    16    16    15    29    24    20    20    33


Date               Sun 01/21/18  Mon 01/22/18  Tue 01/23/18  Wed 01/24/18
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    45      31    37      20    32      18    33
Temp          34   35 44 44 39   32 36 31 23   21 31 30 22   19 32 30
Dewpt         34   34 41 39 35   31 27 23 18   16 16 16 17   15 20 19
PWind dir          SE    SE       S     W      NW    NW      NW     W
Wind char          LT    GN      GN    BZ      BZ    GN      LT    LT
Avg clouds    B1   B1 B2 B2 B2   B2 B2 B2 B1   B1 B1 SC B1   B1 B1 B1
PoP 12hr           30    60      60    60      40     0       5     5
Drizzle        S    C  S
Rain                      L  L    L  L  S
Snow                              L  L  S  C

$$
IAZ039-182200-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
906 AM CST Thu Jan 18 2018

Date             Thu 01/18/18            Fri 01/19/18            Sat 01/20/18
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                      35          18          41          23          38
Temp                   29 32 25 21 20 18 18 22 34 40 34 30 29 25 23 26 35 38 31
Dewpt                  19 23 21 19 18 18 18 20 26 29 27 27 26 24 22 24 29 31 28
RH                     66 69 84 92 92100100 92 72 64 75 88 88 96 96 92 78 76 88
Wind dir               SW SW SW SW SW  S  S  S  S  S SW SW SW SW  W SW SW  S SE
Wind spd               11 10  6  6  6  5  5  8 11 12 10  9  8  5  4  3  3  4  4
Clouds                 FW CL CL FW FW FW SC SC FW FW SC SC SC SC B1 B1 B1 SC B1
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle                                                                       S
Frzg drzl                                                                     S
Wind chill             20 24 17 13 12 10  9 13 26 33 26 22 21 18 17
Min chill              11    17    10     8     8    24    20    17    17    25


Date               Sun 01/21/18  Mon 01/22/18  Tue 01/23/18  Wed 01/24/18
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            28    41      30    37      16    26      13    27
Temp          29   29 39 41 41   31 37 28 20   16 24 25 17   14 26 24
Dewpt         29   29 37 39 37   31 29 24 16   14 14 14 13   12 16 17
PWind dir          SE    SE      SE    SW      NW    NW      NW     W
Wind char          LT    GN      GN    BZ      BZ    GN      LT    LT
Avg clouds    B2   B2 B2 OV OV   OV OV B2 B2   B1 B1 B1 B1   B1 B1 B1
PoP 12hr           30    50      70    70      30     5       5     5
Drizzle                C
Frzg drzl      S    C  C
Rain                      C  L    L  L  C
Snow                              L  L  C  C

$$
IAZ048-182200-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
906 AM CST Thu Jan 18 2018

Date             Thu 01/18/18            Fri 01/19/18            Sat 01/20/18
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                      35          20          45          24          40
Temp                   30 34 27 23 21 20 20 25 38 44 37 31 30 27 24 27 38 39 31
Dewpt                  19 23 21 20 19 18 18 21 27 31 28 27 26 25 22 25 29 32 30
RH                     63 64 78 88 92 92 92 84 64 60 70 85 85 92 92 92 70 76 96
Wind dir               SW SW SW SW SW  S  S  S  S SW SW SW SW  W  W SW  S SE SE
Wind spd               11 10  6  6  5  5  6  8 12 12 10  9  8  5  4  3  4  4  4
Wind gust                                         23
Clouds                 FW CL CL FW FW FW FW FW FW FW SC SC SC SC B1 SC B1 SC B1
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Frzg drzl                                                                     S
Wind chill             20 26 20 15 13 12 12 16 30 38 29 24 23 21 18
Min chill              10    18    12    11    10    28    22    17    17    25


Date               Sun 01/21/18  Mon 01/22/18  Tue 01/23/18  Wed 01/24/18
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            30    42      29    35      18    29      16    30
Temp          31   30 40 41 37   29 35 29 22   18 28 27 21   17 29 27
Dewpt         31   30 39 38 34   29 27 23 17   14 16 16 16   13 19 18
PWind dir          SE    SE       S     W      NW    NW      NW     W
Wind char          LT    GN      GN    BZ      BZ    GN      LT    LT
Avg clouds    B2   B2 B2 B2 B2   OV B2 B2 B2   B1 B1 SC B1   B1 B1 B1
PoP 12hr           30    60      70    60      40     5       5     5
Drizzle                S
Frzg drzl      S    C  S
Rain                      L  L    L  L  C
Snow                              L  L  C  C

$$
IAZ004-182200-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
906 AM CST Thu Jan 18 2018

Date             Thu 01/18/18            Fri 01/19/18            Sat 01/20/18
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                      37          22          45          23          39
Temp                   32 36 28 25 23 22 22 25 38 44 35 30 27 25 23 27 37 38 31
Dewpt                  24 27 24 22 21 20 20 23 29 32 29 28 25 23 22 23 28 30 27
RH                     72 69 85 88 92 92 92 92 70 62 78 92 92 92 96 85 70 73 85
Wind dir               SW SW SW SW SW SW  S  S SW SW SW  W  W  W NW  W  E  E  E
Wind spd               13 12  9  9  9  8  9 13 16 13 10  9  6  5  4  3  3  4  5
Wind gust                                      26
Clouds                 CL CL FW FW SC SC SC SC SC SC SC SC SC SC B1 B1 B2 B1 B2
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill             22 28 19 16 14 13 12 13 30 37 27 22 20 18 17          25
Min chill               8    18    12    11    10    25    20    17    17    24


Date               Sun 01/21/18  Mon 01/22/18  Tue 01/23/18  Wed 01/24/18
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            24    35      22    28      11    21       8    23
Temp          24   24 34 32 27   22 28 23 16   11 19 20 10   10 22 20
Dewpt         24   24 31 30 26   22 22 18 12    9 11 11  7    8 15 13
PWind dir           E    NE       N    NW      NW    NW       W     W
Wind char          LT    GN      BZ    BZ      BZ    GN      GN    GN
Avg clouds    B2   B2 B2 OV OV   OV OV B2 B1   B1 B1 B1 B1   B1 B1 SC
PoP 12hr           20    50      80    70      30     5       5     5
Frzg drzl           S  S
Frzg rain                 C  L
Rain                      C
Snow                      S  L    D  L  C  C    S

$$
IAZ035-182200-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
906 AM CST Thu Jan 18 2018

Date             Thu 01/18/18            Fri 01/19/18            Sat 01/20/18
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                      37          20          44          23          40
Temp                   30 34 28 24 20 20 20 24 38 43 35 31 27 25 23 27 38 38 32
Dewpt                  21 25 22 20 19 19 18 21 29 32 28 27 25 24 21 24 30 31 28
RH                     69 69 78 84 96 96 92 88 70 65 75 85 92 96 92 88 73 76 85
Wind dir               SW SW SW SW  S  S  S  S SW SW SW SW  W  W NW  E SE SE  E
Wind spd               11 10  8  6  6  5  6  9 13 13 10  8  5  4  3  3  3  4  5
Clouds                 FW CL FW FW FW FW SC SC FW FW SC SC SC SC B1 B1 B1 SC B1
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill             20 26 20 16 12 12 11 14 30 36 28 24 20 19
Min chill               8    18    11    11    10    27    20    18    18    26


Date               Sun 01/21/18  Mon 01/22/18  Tue 01/23/18  Wed 01/24/18
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            28    38      26    32      15    26      12    27
Temp          28   28 37 36 32   26 32 25 19   15 24 25 17   13 26 23
Dewpt         28   28 35 34 31   26 25 21 15   12 14 14 12   10 18 15
PWind dir           E     E      NE    NW      NW    NW      NW     W
Wind char          LT    GN      GN    BZ      BZ    GN      LT    GN
Avg clouds    B2   B2 B2 B2 B2   OV OV B2 B1   B1 B1 B1 B1   B1 B1 SC
PoP 12hr           20    50      80    70      30     5       5     5
Drizzle                S
Frzg drzl           S  S
Rain                      C  L
Snow                         L    D  L  C  C

$$
IAZ094-182200-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
906 AM CST Thu Jan 18 2018

Date             Thu 01/18/18            Fri 01/19/18            Sat 01/20/18
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                      37          22          45          28          42
Temp                   30 35 30 27 24 22 22 24 38 44 37 33 31 28 28 30 40 42 40
Dewpt                  17 21 20 20 20 19 19 21 25 28 27 28 27 27 26 29 33 35 35
RH                     58 56 66 74 84 88 88 88 59 53 67 82 85 96 92 96 76 76 82
Wind dir               SW SW SW SW SW SW  S SW SW  S  S SW SW SW SW SW SW  S SE
Wind spd               13 13  9 10  9  9  9 11 13 14 12 12 11  9  8  6  9  6  6
Clouds                 SC CL CL CL CL FW FW FW FW FW FW FW FW FW SC SC B1 B1 B2
PoP 12hr                      0           0           0           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle                                                                       C
Wind chill             19 26 22 17 15 12 12 13 30 37 29 24 22 19 20 23 34
Min chill               4    20    14    11    10    29    22    19    20    34


Date               Sun 01/21/18  Mon 01/22/18  Tue 01/23/18  Wed 01/24/18
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    48      32    37      22    35      21    36
Temp          36   39 47 47 40   34 34 31 24   23 34 32 24   22 35 32
Dewpt         36   38 43 42 36   31 26 23 19   18 19 19 18   17 21 21
PWind dir           S     S      SW     W      NW     W      NW     W
Wind char          GN    GN      GN    BZ      BZ    GN      LT    GN
Avg clouds    B1   B1 B2 B2 B2   B2 B2 B1 B1   B1 SC SC SC   B1 B1 SC
PoP 12hr           30    50      60    30      20     0       5     5
Drizzle        C    S  S
Rain                      C  L    L  C
Snow                              L  C  C  S

$$
IAZ017-182200-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
906 AM CST Thu Jan 18 2018

Date             Thu 01/18/18            Fri 01/19/18            Sat 01/20/18
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                      34          19          42          22          39
Temp                   30 32 25 22 20 19 19 23 36 41 34 29 27 24 22 26 37 38 31
Dewpt                  23 26 22 20 19 19 19 21 28 31 28 27 25 23 22 23 30 30 27
RH                     75 78 88 92 96100100 92 72 67 78 92 92 96100 88 75 73 85
Wind dir               SW SW SW SW SW SW  S  S  S SW SW SW  W  W NW  W SW SE  E
Wind spd               12 10  8  8  8  6  6  9 13 13 10  9  6  5  4  3  3  3  4
Wind gust                                         24
Clouds                 FW CL FW FW FW SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill             20 24 16 13 10 10 10 13 28 33 26 21 20 17 16
Min chill               9    15    10     9     8    25    18    16    16    26


Date               Sun 01/21/18  Mon 01/22/18  Tue 01/23/18  Wed 01/24/18
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            24    37      26    32      12    22       9    24
Temp          28   28 36 36 34   26 32 25 17   12 20 21 13   10 23 20
Dewpt         27   27 33 33 31   26 26 21 14   10 12 11  9    7 15 14
PWind dir           E     E      NE    NW      NW    NW      NW     W
Wind char          LT    GN      GN    BZ      BZ    GN      LT    LT
Avg clouds    B2   B2 B2 OV OV   OV OV B2 B2   B1 B1 B1 SC   B1 B1 B1
PoP 12hr           20    40      80    80      50     5       5     5
Drizzle                S
Frzg drzl           S  S
Rain                      C  L
Snow                         L    D  D  C  C

$$
IAZ049-182200-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
906 AM CST Thu Jan 18 2018

Date             Thu 01/18/18            Fri 01/19/18            Sat 01/20/18
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                      35          19          42          23          39
Temp                   29 33 26 23 20 20 19 22 36 41 34 30 29 26 23 26 36 38 31
Dewpt                  19 22 20 19 19 18 18 20 26 30 28 27 26 25 23 25 29 32 30
RH                     66 63 78 84 96 92 96 92 67 65 78 88 88 96100 96 75 79 96
Wind dir               SW SW SW SW SW SW  S  S  S SW SW SW SW SW SW SW SW  S SE
Wind spd               12 10  8  8  6  6  6  9 12 13 11 10  9  6  5  2  4  4  4
Clouds                 FW CL CL FW FW FW FW FW FW FW SC FW SC SC B1 SC B1 SC B1
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Frzg drzl                                                                     S
Wind chill             18 24 17 14 11 11 10 12 28 33 26 21 20 18 16
Min chill               9    16    10     9     8    24    19    16    17    25


Date               Sun 01/21/18  Mon 01/22/18  Tue 01/23/18  Wed 01/24/18
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            30    42      29    36      16    28      14    29
Temp          31   30 41 41 37   29 36 27 21   16 26 25 20   15 28 25
Dewpt         31   30 39 39 35   29 28 23 16   14 15 15 14   13 17 17
PWind dir          SE    SE       S     W      NW    NW      NW     W
Wind char          LT    GN      GN    BZ      BZ    GN      GN    LT
Avg clouds    B2   B2 B2 OV OV   OV B2 B2 B2   B1 B1 SC B1   B1 B1 B1
PoP 12hr           30    60      70    60      30     5       5     5
Drizzle             C  S
Frzg drzl      S    C  S
Rain                      L  L    L  L  C
Snow                              L  L  C  C

$$
IAZ086-182200-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
906 AM CST Thu Jan 18 2018

Date             Thu 01/18/18            Fri 01/19/18            Sat 01/20/18
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                      37          21          46          29          43
Temp                   32 37 29 27 24 22 22 26 41 45 38 34 32 30 29 31 42 42 40
Dewpt                  17 20 20 20 20 19 19 21 25 28 26 29 28 28 27 30 33 36 35
RH                     53 50 69 74 84 88 88 81 52 51 62 82 85 92 92 96 70 79 82
Wind dir               SW SW SW SW SW SW SW SW SW SW  S SW SW SW SW SW SW  S SE
Wind spd               13 13  9  9  9  8  9 11 13 14 12 12 11  9  8  8  9  5  6
Clouds                 FW CL CL CL CL FW FW FW FW FW FW FW FW FW SC SC B1 B1 B1
PoP 12hr                      0           0           0           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle                                                                       C
Wind chill             22 28 21 17 14 13 12 15 33 38 30 25 23 21 21 24 36
Min chill               9    19    14    12    11    29    22    19    20    34


Date               Sun 01/21/18  Mon 01/22/18  Tue 01/23/18  Wed 01/24/18
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    50      34    39      22    34      19    34
Temp          34   39 47 50 45   37 35 31 24   23 33 32 23   21 33 31
Dewpt         34   38 44 44 39   36 28 25 20   19 17 18 18   17 19 20
PWind dir          SE     S       S     W       W    NW      NW     W
Wind char          LT    GN      GN    BZ      BZ    GN      LT    LT
Avg clouds    B1   B1 B2 OV B2   B2 B2 B2 B2   B1 B1 SC B1   B1 B1 B1
PoP 12hr           30    50      70    40      20     0       5     5
Drizzle        C    C  C
Rain                      C  L    L  C  C
Snow                                 C  C  S

$$



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