Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
907 AM CST Fri Jan 19 2018

IAZ060-192200-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
907 AM CST Fri Jan 19 2018

Date             Fri 01/19/18            Sat 01/20/18            Sun 01/21/18
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                      48          28          42          32          44
Temp                   42 48 40 36 33 31 28 29 39 41 35 33 33 32 33 34 40 44 43
Dewpt                  29 31 29 28 28 27 26 26 30 32 31 31 32 32 32 34 36 38 37
RH                     60 51 64 72 82 85 92 88 70 70 85 92 96100 96100 85 79 79
Wind dir               SW SW SW SW SW SW SW SW SW SW SE SE  E  E  E  E  E  E  E
Wind spd               13 13 10  9  6  5  4  4  4  3  3  3  3  4  5  5  6  6  6
Wind gust              25
Clouds                 SC SC SC FW FW SC SC SC B1 B1 B2 B2 B2 B2 OV B2 OV OV OV
PoP 12hr                      0           0           0          30          40
QPF 12hr                      0           0           0        0.01        0.02
Snow 12hr                 00-00       00-00       00-00
Drizzle                                               S  S  C  C  C  C  C  C
Frzg drzl                                                S  C  C  C
Rain                                                                          D
Obvis                                    PF PF PF PF
Wind chill             35    34 29 27 25
Min chill              24    33    26    22    22    31    29    26    26    36


Date               Mon 01/22/18  Tue 01/23/18  Wed 01/24/18  Thu 01/25/18
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            33    36      21    33      20    37      24    43
Temp          41   35 36 31 25   21 32 31 23   22 36 33 27   25 41 41
Dewpt         37   32 29 25 19   17 19 19 18   17 21 21 20   22 26 28
PWind dir          SE     W      NW    NW       W     W       S     S
Wind char          LT    BZ      BZ    GN      LT    LT      LT    GN
Avg clouds    OV   B2 B2 B2 B2   B1 SC SC SC   SC SC SC SC   SC SC B1
PoP 12hr           80    50      30     0       0     5       5     0
Drizzle             C  C  C
Frzg drzl                 S
Frzg rain                 S  C
Rain           D          C
Snow                   C  C  C

$$
IAZ039-192200-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
907 AM CST Fri Jan 19 2018

Date             Fri 01/19/18            Sat 01/20/18            Sun 01/21/18
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                      43          24          38          25          37
Temp                   39 43 36 32 30 27 24 26 35 38 31 25 27 25 27 30 36 37 37
Dewpt                  29 32 29 27 26 26 23 24 29 30 28 25 27 25 27 30 33 34 35
RH                     67 65 75 81 85 96 96 92 78 73 88100100100100100 89 89 92
Wind dir                S  S SW SW SW SW SW SW SW SW SE SE SE  E  E  E  E  E  E
Wind spd               11 11  8  8  6  4  3  2  3  3  3  2  3  4  5  6  6  8  9
Clouds                 SC SC SC SC SC SC SC B1 B1 B1 B1 B2 B2 B2 OV OV OV OV OV
PoP 12hr                      0           0           0          20          50
QPF 12hr                      0           0           0           0        0.03
Snow 12hr                 00-00       00-00       00-00
Drizzle                                                                 C  C
Frzg drzl                                                   S  S  C  C
Rain                                                                          D
Obvis                                    PF PF PF PF
Wind chill             32 37 30 25 23                         19 21 23 30 31 30
Min chill              18    28    21    18    18    26    21    18    20    30


Date               Mon 01/22/18  Tue 01/23/18  Wed 01/24/18  Thu 01/25/18
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            31    36      17    27      13    30      18    37
Temp          39   35 36 29 22   17 26 25 17   15 29 27 20   19 35 36
Dewpt         36   33 33 27 20   16 17 17 15   14 19 19 17   18 24 27
PWind dir           E     W      NW    NW      NW     W      SE    SE
Wind char          GN    GN      BZ    GN      LT    LT      LT    GN
Avg clouds    OV   B2 B2 B2 OV   B2 B1 SC SC   SC SC SC SC   B1 B1 B1
PoP 12hr           90    60      50     0       0     5       5     0
Frzg rain                 S  S
Rain           D    L  C  L
Snow                      L  C    S

$$
IAZ048-192200-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
907 AM CST Fri Jan 19 2018

Date             Fri 01/19/18            Sat 01/20/18            Sun 01/21/18
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                      45          25          39          28          40
Temp                   41 45 37 32 30 27 25 26 36 38 31 28 29 28 29 31 37 40 39
Dewpt                  30 31 29 27 27 25 24 25 29 32 29 28 29 28 29 31 34 36 35
RH                     65 58 72 81 88 92 96 96 75 79 92100100100100100 89 85 85
Wind dir               SW SW SW SW SW SW SW SW SW  S  E  E  E NE  E  E  E  E  E
Wind spd               12 12  9  8  6  4  3  3  3  2  3  3  4  4  6  8  6  8  8
Wind gust              23
Clouds                 SC SC SC FW FW SC SC B1 B1 B1 B1 B2 B2 B2 OV B2 OV OV OV
PoP 12hr                      0           0           0          30          50
QPF 12hr                      0           0           0        0.01        0.03
Snow 12hr                 00-00       00-00       00-00
Drizzle                                                                 C  C
Frzg drzl                                                   C  C  C  C
Rain                                                                          D
Obvis                                    PF PF PF PF
Wind chill             33 39 30 25 24                            22 24 31    33
Min chill              21    29    23    19    19    26    22    20    21    32


Date               Mon 01/22/18  Tue 01/23/18  Wed 01/24/18  Thu 01/25/18
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            32    35      19    30      16    34      21    40
Temp          39   34 35 29 23   19 29 28 22   17 33 29 24   22 38 39
Dewpt         36   32 30 24 19   16 19 18 18   15 21 21 20   20 26 27
PWind dir           E    NW      NW    NW       W     W      SE    SE
Wind char          LT    BZ      BZ    GN      LT    LT      LT    GN
Avg clouds    OV   B2 B2 B2 B2   B1 SC SC SC   SC SC SC SC   SC SC B1
PoP 12hr           80    50      40     0       0     5       5     0
Drizzle                C  C
Frzg drzl              S
Frzg rain                    C
Rain           D    L
Snow                   C  C  C

$$
IAZ004-192200-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
907 AM CST Fri Jan 19 2018

Date             Fri 01/19/18            Sat 01/20/18            Sun 01/21/18
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                      44          23          40          23          34
Temp                   40 44 35 30 26 24 23 25 37 39 32 26 24 23 24 26 31 34 32
Dewpt                  31 35 32 29 26 24 23 24 30 31 28 25 24 23 23 25 28 29 29
RH                     70 70 89 96100100100 96 75 73 85 96100100 96 96 88 82 88
Wind dir               SW SW  W  W NW NW NW  W NW  N NE NE  N NE NE NE NE NE NE
Wind spd               13 12  9  8  6  5  4  2  3  4  4  4  5  8  9  9 10 12 13
Clouds                 B1 B1 SC B1 B1 SC B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 OV OV OV
PoP 12hr                      0           0           0           5          30
QPF 12hr                      0           0           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Drizzle                                                                    C
Frzg drzl                                                               C
Frzg rain                                                                     C
Snow                                                                          D
Wind chill             32 38 28 22 19 17 17             20 17 14 14 17 22 25 22
Min chill              20    28    18    16    17    26    16    13    13    21


Date               Mon 01/22/18  Tue 01/23/18  Wed 01/24/18  Thu 01/25/18
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            26    28      13    23      11    25      14    33
Temp          32   29 28 23 17   13 21 22 14   12 25 20 16   16 31 32
Dewpt         29   27 25 21 15   11 15 14 11   10 17 16 14   15 24 25
PWind dir          NE     N      NW     W       W     W       S     S
Wind char          BZ    WY      BZ    GN      GN    GN      GN    GN
Avg clouds    OV   OV OV OV B2   B1 SC SC SC   SC SC SC SC   B1 B1 B1
PoP 12hr           90    80      30     5       5     5       0     5
Frzg rain      C    D     S  C
Rain           C
Snow           D    D  D  L  C

$$
IAZ035-192200-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
907 AM CST Fri Jan 19 2018

Date             Fri 01/19/18            Sat 01/20/18            Sun 01/21/18
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                      44          24          39          24          37
Temp                   40 44 37 32 29 26 24 25 35 39 31 24 25 24 26 28 33 35 36
Dewpt                  30 33 30 27 26 23 22 23 29 31 26 24 25 24 25 27 31 32 31
RH                     67 65 75 81 88 88 92 92 78 73 81100100100 96 96 92 89 82
Wind dir               SW SW SW SW SW NW NW NW NW  N  E  E  E NE NE NE NE NE NE
Wind spd               12 11  8  6  5  3  3  2  3  3  3  4  3  5  6  8  8 10 10
Clouds                 B1 SC SC SC SC SC B1 B1 B1 B1 B1 B2 B2 B2 B2 OV OV OV OV
PoP 12hr                      0           0           0          10          40
QPF 12hr                      0           0           0           0        0.02
Snow 12hr                 00-00       00-00       00-00
Drizzle                                                                 C  C
Frzg drzl                                                         S  S  C
Rain                                                                          D
Obvis                                    PF PF PF PF
Wind chill             33 38 31 26 23                   18    17 18 20 26 28 29
Min chill              20    31    22    18    18    28    18    17    18    25


Date               Mon 01/22/18  Tue 01/23/18  Wed 01/24/18  Thu 01/25/18
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            29    32      16    27      14    30      18    37
Temp          35   31 32 27 20   16 25 26 17   15 29 27 21   20 35 35
Dewpt         33   29 28 23 17   13 18 16 14   13 20 19 17   17 26 25
PWind dir          NE    NW      NW    NW       W    SW      SE     S
Wind char          GN    BZ      BZ    GN      LT    LT      GN    GN
Avg clouds    OV   OV OV OV B2   B1 SC SC SC   SC SC SC SC   B1 B1 B1
PoP 12hr           80    60      40     5       0     5       5     0
Frzg drzl                 S
Frzg rain           L  L     S
Rain           D    L
Sleet               S
Snow                   L  C  C

$$
IAZ094-192200-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
907 AM CST Fri Jan 19 2018

Date             Fri 01/19/18            Sat 01/20/18            Sun 01/21/18
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                      46          29          42          35          47
Temp                   40 46 38 34 33 30 29 31 39 42 38 36 36 35 36 38 44 47 46
Dewpt                  28 29 28 28 28 27 28 30 33 34 34 34 34 34 35 37 41 42 41
RH                     62 51 67 78 82 88 96 96 79 73 85 92 92 96 96 96 89 83 83
Wind dir               SW SW  S SW SW SW SW SW SW  S SE SE SE SE SE SE SE SE SE
Wind spd               14 14 11 11 10  9  9  8  8  5  4  4  5  5  6  6  8  6  8
Wind gust              26
Clouds                 FW FW FW FW FW FW SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 OV
PoP 12hr                      0           0          10          30          50
QPF 12hr                      0           0           0        0.01        0.05
Snow 12hr                 00-00       00-00       00-00
Drizzle                                               S  S  C  C  C  C
Rain                                                                    C  C  L
Obvis                                    PF PF PF PF
Wind chill             32    31 26 25 22 20 24 33
Min chill              19    30    23    20    20    34    30    29    30    39


Date               Mon 01/22/18  Tue 01/23/18  Wed 01/24/18  Thu 01/25/18
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            32    36      22    35      21    39      26    44
Temp          45   34 35 32 27   23 34 32 25   22 38 34 28   28 42 41
Dewpt         40   30 28 24 20   18 20 20 19   19 23 23 21   22 27 28
PWind dir           S     W      NW     W       W     W       S     S
Wind char          GN    BZ      BZ    GN      LT    LT      LT    GN
Avg clouds    B2   B1 B2 B2 B1   SC SC SC SC   SC SC SC SC   SC SC SC
PoP 12hr           70    50      20     0       0     5       5     5
Drizzle             C     C
Frzg rain                    S
Rain           L
Snow                C  C  C  S

$$
IAZ017-192200-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
907 AM CST Fri Jan 19 2018

Date             Fri 01/19/18            Sat 01/20/18            Sun 01/21/18
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                      42          23          38          21          34
Temp                   38 42 35 31 28 25 23 26 35 37 29 23 22 21 22 26 32 34 34
Dewpt                  30 33 30 27 26 23 22 23 29 30 26 23 22 21 22 26 30 31 31
RH                     73 70 82 85 92 92 96 88 78 75 88100100100100100 92 89 89
Wind dir               SW SW SW SW  W  W NW  W NW  W  E SE  E NE  E  E  E NE NE
Wind spd               11 12  9  8  6  5  3  3  3  2  3  3  3  5  6  8  8 10 11
Clouds                 B1 SC SC SC SC SC B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 OV OV OV
PoP 12hr                      0           0           0           5          40
QPF 12hr                      0           0           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Drizzle                                                                    C
Frzg drzl                                                            S  C
Rain                                                                          D
Snow                                                              S
Obvis                                    PF PF PF PF
Wind chill             31 35 28 23 21 18                      13 14 18 25 26 26
Min chill              19    27    21    17    18    24    16    12    14    24


Date               Mon 01/22/18  Tue 01/23/18  Wed 01/24/18  Thu 01/25/18
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            29    31      14    23      11    25      14    34
Temp          35   31 31 25 19   14 22 21 14   12 24 20 16   16 32 32
Dewpt         32   30 29 24 17   13 16 14 12   10 17 16 14   15 23 25
PWind dir          NE     N      NW    NW       W    SW       S    SE
Wind char          GN    BZ      BZ    GN      LT    LT      LT    GN
Avg clouds    OV   OV OV OV B2   B1 SC SC SC   SC SC SC SC   B1 B1 B1
PoP 12hr           90    60      60     0       0     5       0     0
Frzg drzl                 S
Frzg rain           D  L  S  S
Rain           D    D
Sleet               C  L
Snow                   L  L  L    S

$$
IAZ049-192200-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
907 AM CST Fri Jan 19 2018

Date             Fri 01/19/18            Sat 01/20/18            Sun 01/21/18
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                      43          24          39          27          40
Temp                   39 43 36 31 30 28 24 26 36 38 30 27 28 27 28 31 36 40 39
Dewpt                  29 31 29 27 26 25 24 25 29 31 29 27 28 27 28 31 35 36 36
RH                     67 62 75 85 85 88100 96 75 76 96100100100100100 96 85 89
Wind dir               SW SW SW SW SW SW SW SW SW  S SE SE SE  E  E  E  E  E  E
Wind spd               12 12 10  8  8  4  4  3  3  2  3  3  4  4  6  6  8  9  9
Clouds                 SC SC FW FW FW SC SC B1 B1 B1 B1 B2 B2 B2 OV OV OV OV OV
PoP 12hr                      0           0           0          30          50
QPF 12hr                      0           0           0        0.01        0.04
Snow 12hr                 00-00       00-00       00-00
Drizzle                                                                 C  C
Frzg drzl                                                   C  C  C  C
Rain                                                                          D
Obvis                                    PF PF PF PF
Wind chill             31 37 29 24 22                            21 24 30    32
Min chill              19    27    22    18    18    26    20    18    21    31


Date               Mon 01/22/18  Tue 01/23/18  Wed 01/24/18  Thu 01/25/18
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            32    35      18    29      15    31      19    39
Temp          40   35 35 28 23   18 28 26 20   16 30 27 22   20 37 37
Dewpt         37   33 32 26 19   16 18 17 16   14 20 20 19   19 25 26
PWind dir          SE     W      NW    NW       W     W      SE     S
Wind char          GN    BZ      BZ    GN      LT    LT      LT    GN
Avg clouds    OV   B2 B2 B2 B2   B1 SC SC SC   SC SC SC SC   SC SC B1
PoP 12hr           80    50      40     0       5     5       5     0
Drizzle                C
Frzg rain                 S  C
Rain           D    L     C
Snow                   C  C  C

$$
IAZ086-192200-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
907 AM CST Fri Jan 19 2018

Date             Fri 01/19/18            Sat 01/20/18            Sun 01/21/18
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                      46          30          43          34          48
Temp                   41 46 38 36 33 31 30 31 40 43 38 34 36 34 37 39 44 47 47
Dewpt                  27 29 28 28 28 28 29 30 33 35 34 34 35 34 36 37 41 43 43
RH                     57 51 67 72 82 88 96 96 76 73 85100 96100 96 92 89 86 86
Wind dir               SW SW SW SW SW SW SW SW SW SW  S SE SE SE SE SE SE SE SE
Wind spd               14 14 11 12 10  9  8  8  8  5  4  4  5  5  6  6  8  6  9
Clouds                 SC FW FW FW FW FW SC SC B1 B1 B2 B2 B2 B2 OV B2 OV OV OV
PoP 12hr                      0           0           5          40          40
QPF 12hr                      0           0           0        0.01        0.01
Snow 12hr                 00-00       00-00       00-00
Drizzle                                               S  S  C  C  C  C  C  C
Rain                                                                          L
Wind chill             33    30 28 25 24 22 24                   31
Min chill              21    29    24    21    20    34    30    29    32    39


Date               Mon 01/22/18  Tue 01/23/18  Wed 01/24/18  Thu 01/25/18
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    40      22    34      20    38      24    43
Temp          47   40 38 33 26   23 33 31 23   22 37 33 26   26 42 40
Dewpt         43   37 31 27 22   19 20 20 20   19 22 22 21   22 26 28
PWind dir           S     W      NW    NW       W    SW      SE     S
Wind char          GN    BZ      BZ    GN      LT    LT      LT    GN
Avg clouds    OV   B1 B2 B2 B2   B1 SC SC SC   SC SC SC SC   SC SC SC
PoP 12hr           70    50      40     0       0     5       5     0
Drizzle             C  C
Frzg rain                    C
Rain           L          C
Snow                      C  C
Tstms          S

$$



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