Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
1107 PM CST Fri Jan 19 2018

IAZ060-201000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
1107 PM CST Fri Jan 19 2018

Date           01/19/18      Sat 01/20/18            Sun 01/21/18            Mon
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      28          44          31          42          34
Temp                   35 32 29 30 40 43 37 34 32 31 31 33 39 42 42 40 41 41 38
Dewpt                  29 28 25 25 29 31 31 30 31 31 30 31 34 35 35 36 35 37 34
RH                     78 85 85 81 64 62 79 85 96100 96 92 82 76 76 85 79 85 85
Wind dir               SW SW SW SW  W SW  E  E  E  E  E NE  E NE NE NE  E SE SE
Wind spd                5  4  3  3  3  3  3  3  3  4  4  5  6  8  9  9 10  5  8
Clouds                 SC SC SC B1 B1 B1 B1 B2 B2 B2 B2 OV OV OV OV OV OV B1 B2
PoP 12hr                      0           5          30          40          80
QPF 12hr                      0           0        0.01        0.01        0.21
Snow 12hr                 00-00       00-00       00-00
Drizzle                                   S  S           C  C  C
Frzg drzl                                       C  C  C  C
Rain                                                              D  D  C  C  C
Obvis                        PF
Wind chill                                              27       36 34 35    32
Min chill              28    25    24    32    29    25    25    35    32    31


Date           01/22/18  Tue 01/23/18  Wed 01/24/18  Thu 01/25/18  Fri 01/26/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          38      22    34      21    37      24    43      33    45
Temp          38 32 26   22 33 32 25   22 36 33 27   26 41 41 38   33 44 41
Dewpt         32 27 22   18 20 21 20   19 22 22 21   22 26 29 28   29 33 31
PWind dir        NW      NW    NW       W     W       S     S       S     S
Wind char        GN      BZ    GN      LT    LT      LT    GN      GN    GN
Avg clouds    B2 OV B2   B1 SC SC SC   FW SC SC SC   SC SC B1 SC   SC B1 B1
PoP 12hr         60      40     0       0     5       0     0       5    20
Rain           C  L                                                       S
Snow           C  L  C

$$
IAZ039-201000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
1107 PM CST Fri Jan 19 2018

Date           01/19/18      Sat 01/20/18            Sun 01/21/18            Mon
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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          37          25          38          32
Temp                   33 30 26 26 34 37 32 25 25 25 25 29 35 37 38 34 38 39 38
Dewpt                  30 28 25 25 28 29 28 25 25 25 25 29 32 33 32 33 34 36 34
RH                     89 92 96 96 78 72 85100100100100100 89 85 79 96 85 89 85
Wind dir                W  W  W SW  W  S SE SE  E  E NE  E  E NE NE  E  E  E  E
Wind spd                6  4  2  2  1  3  2  2  3  3  4  5  8  9 10 11 14 11 11
Clouds                 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 OV OV OV OV OV OV OV OV
PoP 12hr                      0           0          20          30          90
QPF 12hr                      0           0           0        0.01        0.35
Snow 12hr                 00-00       00-00       00-00
Drizzle                                                     C  C
Frzg drzl                                       S  S  S  S
Frzg rain                                                            D
Rain                                                              D  D  D  D  L
Obvis                     PF  F PF
Wind chill             27                            19 23 28 30 31 25 29 32 31
Min chill              27    23    22    28    21    18    19    29    23    29


Date           01/22/18  Tue 01/23/18  Wed 01/24/18  Thu 01/25/18  Fri 01/26/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          37      20    28      15    30      17    37      28    42
Temp          37 31 24   20 27 26 19   16 29 27 21   19 34 36 35   28 41 38
Dewpt         35 29 22   18 18 19 17   15 20 20 17   18 25 28 28   28 32 32
PWind dir        NE      NW    NW       W     W       S     S       S     S
Wind char        GN      BZ    GN      LT    LT      LT    GN      GN    GN
Avg clouds    OV OV OV   B2 SC SC SC   SC SC SC SC   B1 B1 B1 B1   B1 B1 B2
PoP 12hr         70      60     0       5     5       0     0      10    10
Frzg rain      S
Rain           L  L
Sleet          L
Snow           L  L  L    S

$$
IAZ048-201000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
1107 PM CST Fri Jan 19 2018

Date           01/19/18      Sat 01/20/18            Sun 01/21/18            Mon
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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          41          27          39          32
Temp                   34 31 26 26 37 40 33 29 28 28 27 29 36 39 39 39 39 40 36
Dewpt                  30 28 25 25 29 31 29 28 27 28 27 29 31 33 33 34 34 36 33
RH                     85 88 96 96 72 70 85 96 96100100100 82 79 79 82 82 85 89
Wind dir                W  W  W SW  W  E  E  E  E NE NE NE NE NE NE NE NE  E  E
Wind spd                5  4  2  3  3  3  3  3  3  4  5  6  8  9  9 11 12  9  9
Clouds                 B1 B1 SC B1 B1 B1 B1 B2 B2 B2 OV OV OV OV OV OV OV B2 B2
PoP 12hr                      0           0          20          40          80
QPF 12hr                      0           0           0        0.01        0.24
Snow 12hr                 00-00       00-00       00-00
Drizzle                                                     C  C
Frzg drzl                                       S  S  S  S
Rain                                                              D  D  L  L  C
Obvis                     PF PF PF
Wind chill             28                         22 20 22 30 32 32 32 31 34 29
Min chill              28    21    19    29    22    20    19    29    30    28


Date           01/22/18  Tue 01/23/18  Wed 01/24/18  Thu 01/25/18  Fri 01/26/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          36      21    31      18    35      21    41      31    43
Temp          36 31 25   21 30 29 23   19 34 31 25   22 39 39 39   31 43 37
Dewpt         32 26 22   17 19 21 19   17 21 21 20   20 26 29 28   28 33 31
PWind dir         N      NW    NW       W     W       S     S       S     S
Wind char        GN      BZ    GN      LT    LT      LT    GN      GN    GN
Avg clouds    B2 OV B2   B1 SC SC SC   SC SC SC SC   SC B1 B1 SC   B1 B1 B2
PoP 12hr         50      50     0       0     5       0     0       5    20
Rain           C  C                                                       S
Snow           C  C  C

$$
IAZ004-201000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
1107 PM CST Fri Jan 19 2018

Date           01/19/18      Sat 01/20/18            Sun 01/21/18            Mon
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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          40          24          34          27
Temp                   33 30 25 25 36 40 31 27 26 25 25 26 33 33 33 35 33 31 30
Dewpt                  29 27 24 25 30 32 30 27 25 24 24 25 28 29 30 30 28 28 27
RH                     85 88 96100 79 73 96100 96 96 96 96 82 85 89 82 82 88 88
Wind dir               NW NW NW NW NW  N  N NE NE NE NE NE NE NE NE NE NE  N  N
Wind spd                6  5  3  2  3  3  4  4  5  6  9  9 11 16 18 18 21 23 23
Wind gust                                                                 33
Clouds                 B1 B1 B2 B2 B2 B2 B1 B2 B2 B2 B2 OV OV OV OV OV OV OV OV
PoP 12hr                      0           0           5          30          90
QPF 12hr                      0           0           0           0        0.46
Snow 12hr                 00-00       00-00       00-00
Drizzle                                                     C  C
Frzg rain                                                                  C
Rain                                                              C  D  S
Snow                                                              D  D  D  D  D
Obvis                        PF PF                                           BS
Wind chill             27 24                   19 17 15 17 24 22 22 24 21 18 17
Min chill              25    20    18    26    18    14    14    21    21    15
Winter Storm                                                      A  A  A  A  A


Date           01/22/18  Tue 01/23/18  Wed 01/24/18  Thu 01/25/18  Fri 01/26/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          30      14    24      12    26      15    33      24    33
Temp          30 26 20   14 22 23 16   13 25 21 16   17 31 32 32   24 33 30
Dewpt         27 23 17   13 16 17 12   11 17 16 14   16 25 26 26   24 29 27
PWind dir         N      NW     W       W     W       S     S       S     S
Wind char        WY      BZ    GN      GN    LT      GN    GN      GN    GN
Avg clouds    OV OV B2   B1 SC SC SC   SC SC SC SC   B1 B1 B1 B1   B1 B2 B2
PoP 12hr         90      40     0       5     5       0     5       5    10
Snow           D  D  C

$$
IAZ035-201000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
1107 PM CST Fri Jan 19 2018

Date           01/19/18      Sat 01/20/18            Sun 01/21/18            Mon
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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          39          24          36          30
Temp                   32 29 25 26 35 39 31 25 24 24 24 26 34 35 36 36 36 36 34
Dewpt                  29 26 23 23 28 30 26 24 24 24 24 25 29 30 30 31 31 31 30
RH                     88 88 92 88 75 70 81 96100100100 96 82 82 79 82 82 82 85
Wind dir                W NW  N NW  N NE NE  E  E NE NE NE NE NE NE NE NE NE NE
Wind spd                5  3  2  1  3  4  3  4  3  5  6  8  9 10 11 13 14 13 13
Clouds                 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 OV OV OV OV OV OV OV OV
PoP 12hr                      0           0          10          30          80
QPF 12hr                      0           0           0           0        0.33
Snow 12hr                 00-00       00-00       00-00
Drizzle                                                     C  C
Frzg drzl                                       S  S  S  S
Frzg rain                                                                     S
Rain                                                              L  L  D  D  L
Obvis                      F  F PF
Wind chill             26                   19    17 16 18 27 27 28 27 27 27 25
Min chill              26    21    20    26    17    15    15    26    25    23


Date           01/22/18  Tue 01/23/18  Wed 01/24/18  Thu 01/25/18  Fri 01/26/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          34      18    28      15    30      19    38      28    38
Temp          34 30 24   18 27 25 18   16 29 28 22   20 36 37 35   28 38 34
Dewpt         30 25 19   15 19 19 16   14 21 19 18   18 27 27 28   26 31 29
PWind dir         N      NW    NW       W     W       S     S       S     S
Wind char        BZ      BZ    GN      LT    LT      LT    GN      GN    GN
Avg clouds    OV OV B2   B1 SC SC SC   SC SC SC SC   B1 B1 B1 B1   B1 B2 B2
PoP 12hr         70      50     0       0     5       0     0       5    20
Frzg rain      S
Rain           L                                                          S
Snow           L  L  C                                                    S

$$
IAZ094-201000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
1107 PM CST Fri Jan 19 2018

Date           01/19/18      Sat 01/20/18            Sun 01/21/18            Mon
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      30          44          34          45          34
Temp                   35 33 32 33 41 43 39 36 35 35 35 35 42 44 44 46 45 40 37
Dewpt                  28 27 27 29 34 34 35 34 34 34 34 35 38 38 38 41 38 36 33
RH                     75 78 81 85 76 70 85 92 96 96 96100 86 79 79 83 76 85 85
Wind dir               SW SW SW SW SW SW  S  E SE SE  E  E  E  E  E  E SE  S  S
Wind spd                9  8  6  6  8  5  4  4  4  5  5  6  6  6  8 10 10  8  9
Clouds                 FW FW SC B1 B1 B2 B2 B2 B2 B2 B2 B2 OV B2 OV OV B2 SC B2
PoP 12hr                      0          10          30          40          80
QPF 12hr                      0           0           0        0.03        0.15
Snow 12hr                 00-00       00-00       00-00
Drizzle                                   S  S  C  C  C  C  C  C
Rain                                                              D  D  C  C  C
Snow                                                                          C
Wind chill             27 26 25 27                      29                34 30
Min chill              27    24    24    36    30    30    28    36    38    29


Date           01/22/18  Tue 01/23/18  Wed 01/24/18  Thu 01/25/18  Fri 01/26/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          38      23    36      22    40      26    45      34    46
Temp          38 33 27   24 35 33 26   23 39 36 28   28 44 41 39   34 45 41
Dewpt         31 27 22   19 21 22 22   20 23 24 23   22 27 29 28   30 33 30
PWind dir         W      NW     W       W     W       S     S       S     S
Wind char        BZ      BZ    GN      LT    LT      GN    GN      GN    BZ
Avg clouds    B2 OV B2   B1 SC SC FW   FW SC SC SC   SC SC SC SC   SC B1 B1
PoP 12hr         60      30     0       0     0       0     0       5    10
Rain           C  L
Snow           C  L  C

$$
IAZ017-201000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
1107 PM CST Fri Jan 19 2018

Date           01/19/18      Sat 01/20/18            Sun 01/21/18            Mon
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      22          37          22          35          29
Temp                   31 29 24 25 34 37 29 24 23 22 24 25 34 31 31 35 36 36 35
Dewpt                  29 27 23 24 29 31 27 24 23 22 23 25 29 29 29 31 30 31 30
RH                     92 92 96 96 82 79 92100100100 96100 82 92 92 85 79 82 82
Wind dir                W NW NW  W  N NW NE  E  E NE NE NE NE NE NE NE NE NE NE
Wind spd                6  4  3  2  2  2  3  3  3  4  6  8  9 11 13 13 17 17 17
Clouds                 B1 B1 B1 B1 B1 B2 B1 B1 B2 B2 B2 OV OV OV OV OV OV OV OV
PoP 12hr                      0           0          10          30          90
QPF 12hr                      0           0           0           0        0.37
Snow 12hr                 00-00       00-00       00-00
Drizzle                                                     C  C
Frzg drzl                                                      C
Frzg rain                                                         L
Rain                                                              L  L  D  D  D
Snow                                                              S
Obvis                        PF PF
Wind chill             25                         16 16 17 26 21 21 26 26 26 25
Min chill              24    19    17    25    17    15    15    18    21    23


Date           01/22/18  Tue 01/23/18  Wed 01/24/18  Thu 01/25/18  Fri 01/26/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          33      17    24      12    26      15    34      26    36
Temp          33 27 22   17 23 22 14   13 25 22 17   17 32 33 36   26 36 31
Dewpt         30 25 19   15 17 17 13   11 18 17 14   16 25 27 27   26 31 28
PWind dir         N      NW    NW       W     W       S     S       S     S
Wind char        BZ      BZ    GN      LT    LT      LT    GN      GN    GN
Avg clouds    OV OV OV   B2 SC SC SC   SC SC SC SC   B1 B1 B1 B1   B1 B2 B2
PoP 12hr         80      70     0       5     5       0     0       5    20
Rain           D                                                          S
Snow           D  D  L    S                                               S

$$
IAZ049-201000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
1107 PM CST Fri Jan 19 2018

Date           01/19/18      Sat 01/20/18            Sun 01/21/18            Mon
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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          39          26          39          32
Temp                   32 29 25 26 36 38 31 27 26 27 26 29 37 39 39 39 40 41 36
Dewpt                  29 26 24 24 29 31 29 27 26 27 26 29 33 34 33 35 35 37 34
RH                     88 88 96 92 75 76 92100100100100100 85 82 79 85 82 85 92
Wind dir               SW  W SW SW  W  S SE  E SE  E NE NE NE NE NE NE  E  E  E
Wind spd                6  4  3  3  2  2  2  3  4  4  6  6  8  9 10 11 14 10 10
Clouds                 B1 B1 SC B1 B1 B1 B1 B2 B2 B2 OV OV OV OV OV OV OV B2 B2
PoP 12hr                      0           0          30          40          80
QPF 12hr                      0           0        0.01        0.01        0.31
Snow 12hr                 00-00       00-00       00-00
Drizzle                                                     C  C
Frzg drzl                                       C  C  S  S
Rain                                                              D  D  D  D  C
Obvis                     PF PF PF
Wind chill             25 23                      21 19 22 31 33 32 32 32 35 29
Min chill              24    20    20    28    20    18    18    29    28    27


Date           01/22/18  Tue 01/23/18  Wed 01/24/18  Thu 01/25/18  Fri 01/26/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          37      20    29      16    32      19    39      29    42
Temp          37 30 25   20 29 26 21   17 31 27 23   21 37 38 36   29 41 37
Dewpt         34 27 22   18 19 19 18   15 21 21 19   19 25 28 29   28 32 32
PWind dir         N      NW    NW       W     W       S     S       S     S
Wind char        GN      BZ    GN      LT    LT      LT    GN      GN    GN
Avg clouds    B2 OV B2   B2 SC SC SC   SC SC SC SC   B1 B1 B1 B1   B1 B1 B2
PoP 12hr         60      50     0       5     5       5     0       5    10
Rain           C  L
Snow           C  L  C

$$
IAZ086-201000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
1107 PM CST Fri Jan 19 2018

Date           01/19/18      Sat 01/20/18            Sun 01/21/18            Mon
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      30          44          33          46          37
Temp                   37 35 31 33 41 44 39 34 34 33 34 35 42 44 45 46 47 46 44
Dewpt                  29 29 28 29 35 35 35 34 34 33 34 35 38 40 40 42 41 42 40
RH                     72 78 88 85 79 70 85100100100100100 86 86 82 86 79 86 86
Wind dir               SW SW SW SW SW SW  S SE SE  E  E  E  E  E  E  E SE SE  S
Wind spd               10  8  6  6  8  5  4  3  4  5  5  5  8  8  9 10 10  8  9
Clouds                 B1 B1 SC B1 B1 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV OV B1 B2
PoP 12hr                      0          10          40          40          80
QPF 12hr                      0           0        0.02        0.03        0.22
Snow 12hr                 00-00       00-00       00-00
Drizzle                                   S  S  C  C  C  C  C  C
Rain                                                              D  D  C  C  C
Tstms                                                                S
Wind chill             30 28 25 26                      29
Min chill              29    24    22    34    29    28    27    37          38


Date           01/22/18  Tue 01/23/18  Wed 01/24/18  Thu 01/25/18  Fri 01/26/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          42      24    35      21    39      25    44      33    47
Temp          42 36 28   24 34 33 24   23 38 34 27   27 42 42 39   34 46 42
Dewpt         36 30 24   21 21 22 21   20 23 23 22   24 27 29 29   30 33 34
PWind dir        SW      NW    NW       W     W       S     S       S     S
Wind char        GN      BZ    GN      LT    LT      LT    GN      GN    BZ
Avg clouds    B2 B2 OV   B1 SC FW SC   SC SC SC SC   SC SC SC SC   SC B1 B1
PoP 12hr         50      40     0       5     5       5     0       5    10
Rain           C  C  C
Snow              C  C

$$



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