Point Forecast Matrices
Issued by NWS Des Moines, IA

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FOUS53 KDMX 201807
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Point Forecast Matrices
National Weather Service Des Moines IA
1206 PM CST Tue Feb 20 2018

IAZ060-202200-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
1206 PM CST Tue Feb 20 2018

Date             Tue 02/20/18            Wed 02/21/18            Thu 02/22/18
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                      29          10          28          19          33
Temp                      26 23 19 16 12 10 15 23 28 24 22 21 19 21 24 31 33 32
Dewpt                     18 16 13 10  8  6  7  8 10 11 13 13 14 15 18 21 23 26
RH                        71 74 77 77 84 83 70 52 46 57 68 71 80 77 77 66 66 78
Wind dir                  NW NW NW  N  N  N  N  N NE NE NE NE  E  E  E  E  E  E
Wind spd                  13 14 14 13 11  9  8  6  6  5  6  6  6  8  6  8  8  6
Clouds                    B2 B2 B1 SC SC FW FW FW FW B1 B2 B2 B2 B2 B2 B2 B2 OV
PoP 12hr                      0           0           0          40          30
QPF 12hr                      0           0           0        0.03        0.01
Snow 12hr                 00-00       00-00       00-00
Frzg rain                                                                     L
Rain                                                                       C
Snow                                                        C  C  C  C  C     S
Wind chill                15 11  5  2 -1 -3  4 15 20 17 14 11 10 12 16 23 27 26
Min chill              16    10     0    -4    -3    16    10    10    13    24


Date               Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
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            27    39      24    39      22    43      26    44
Temp          31   27 38 34 26   26 38 37 29   23 40 40 29   28 43 40
Dewpt         28   25 29 26 23   22 28 28 23   20 27 27 23   22 28 26
PWind dir           E     N       N    NE      NW    SW       S     W
Wind char          LT    LT      LT    GN      GN    GN      LT    GN
Avg clouds    OV   OV B1 B1 B1   B1 B2 B2 B1   SC SC SC SC   SC SC SC
PoP 12hr           60     5      20    70      40     5       0     5
Frzg rain      L    C
Rain                                 C  L  C
Sleet          S
Snow                              S  C     C

$$
IAZ039-202200-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
1206 PM CST Tue Feb 20 2018

Date             Tue 02/20/18            Wed 02/21/18            Thu 02/22/18
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                      32           9          24          15          32
Temp                      26 22 18 13 11  9 12 21 24 19 16 15 15 16 20 28 32 29
Dewpt                     20 17 14 10  8  5  7  9 10 11 13 12 14 14 17 20 23 25
RH                        78 81 84 87 87 83 80 59 54 70 88 88 96 92 88 71 69 85
Wind dir                  NW NW NW NW NW NW  N  N  N NE NE NE  E  E  E  E  E  E
Wind spd                  16 14 16 16 12 10  9  6  5  5  5  6  6  8  8  9  9  8
Clouds                    OV B2 B1 SC SC SC FW FW FW SC B1 B2 B2 B2 B1 B2 B2 OV
PoP 12hr                     10           0           0          30          40
QPF 12hr                      0           0           0        0.01        0.01
Snow 12hr                 00-00       00-00       00-00
Frzg rain                                                                     C
Snow                                                        C  C  C  C  C  C  L
Wind chill                14  9  3 -2 -4 -5  0 12 17 11  7  5  5  5 10 19 24 21
Min chill              17     8    -3    -7    -6    11     5     5     7    20


Date               Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
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            25    35      20    37      20    37      23    40
Temp          28   25 34 31 23   21 34 36 27   20 35 36 27   24 39 36
Dewpt         27   25 29 25 21   20 28 29 24   20 25 26 23   21 29 26
PWind dir          SE    NW       N    NE      NW     W       S    SW
Wind char          LT    LT      LT    LT      GN    GN      GN    GN
Avg clouds    OV   OV B2 B1 SC   B1 B1 B2 B2   B1 SC SC SC   SC SC SC
PoP 12hr           60    10       5    60      40     5       5     5
Frzg rain      C    L
Rain                                    L  C
Snow           L    S                C  L  C    C

$$
IAZ048-202200-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
1206 PM CST Tue Feb 20 2018

Date             Tue 02/20/18            Wed 02/21/18            Thu 02/22/18
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                      28           8          25          17          32
Temp                      24 21 17 13 10  8 12 20 25 19 18 18 17 19 21 28 32 30
Dewpt                     17 15 12  9  7  4  5  8 10 11 13 12 14 15 17 20 23 24
RH                        74 77 80 84 87 83 73 59 52 70 80 77 88 84 84 71 69 78
Wind dir                  NW NW NW NW  N  N  N  N  N NE NE  E  E  E  E  E  E  E
Wind spd                  16 14 16 14 12 10  8  6  8  6  6  6  6  8  8  9  8  8
Clouds                    B2 B2 B1 SC SC FW FW FW FW SC B1 B2 B2 B2 B1 B2 B2 OV
PoP 12hr                      0           0           0          40          30
QPF 12hr                      0           0           0        0.03        0.01
Snow 12hr                 00-00       00-00       00-00
Frzg rain                                                                     L
Snow                                                        C  C  C  C  C  C  C
Wind chill                12  7  2 -3 -6 -7  1 11 16 10  9  8  8  9 12 20 25 22
Min chill              13     6    -4    -8    -8    10     7     7     8    20


Date               Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
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            25    35      21    36      20    40      24    41
Temp          29   25 35 30 24   22 35 33 26   21 37 38 28   25 40 37
Dewpt         27   24 28 25 21   20 27 26 22   18 26 27 24   21 28 26
PWind dir          SE    NW       N    NE      NW    SW       S     W
Wind char          LT    LT      LT    GN      GN    GN      GN    GN
Avg clouds    OV   OV B1 SC SC   B1 B2 B2 B1   SC SC SC SC   SC SC SC
PoP 12hr           60     5      10    70      40     5       0     5
Frzg rain      L    C
Rain                                    L
Snow           S                     C  L  C

$$
IAZ004-202200-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
1206 PM CST Tue Feb 20 2018

Date             Tue 02/20/18            Wed 02/21/18            Thu 02/22/18
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                      17          -3          19           6          25
Temp                      16 12  8  3  0 -3  3 15 19 11  7  6  8 10 12 22 25 25
Dewpt                      9  8  5  1  0 -4 -2  3  7  4  6  4  5  7  9 15 18 20
RH                        73 84 87 91100 95 79 58 59 73 96 91 87 87 87 74 74 81
Wind dir                  NW NW NW NW NW  W  W  W SW  E SE SE SE  E  E  E  E  E
Wind spd                  17 10 10 10  9  8  5  4  5  4  4  5  5  6  6 10  8  9
Clouds                    B2 SC SC FW FW CL CL FW CL FW SC B1 B1 B2 B2 B2 B2 OV
PoP 12hr                      0           0           0          20          50
QPF 12hr                      0           0           0           0        0.04
Snow 12hr                 00-00       00-00       00-00
Frzg rain
Snow                                                        S  S  C  C  C  C  L
Wind chill                 1 -4 -8-14-14-18 -8  8 11  3 -2 -4 -2 -2  1 11 16 15
Min chill              -1    -4   -16   -19   -18     3    -4    -4    -3    12


Date               Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
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            17    27      13    29      15    33      19    33
Temp          20   17 27 23 15   14 26 28 18   16 30 31 22   20 32 30
Dewpt         20   17 20 17 14   14 20 21 16   15 22 23 19   18 24 21
PWind dir           S    NW       N    NE      NW    SW       S     W
Wind char          LT    LT      LT    GN      GN    GN      GN    GN
Avg clouds    OV   B2 B1 SC SC   B1 B2 B2 B1   SC SC SC SC   SC B1 SC
PoP 12hr           70     5       5    70      30     5       5    30
Frzg rain           S
Snow           L    S                C  L  C                     C

$$
IAZ035-202200-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
1206 PM CST Tue Feb 20 2018

Date             Tue 02/20/18            Wed 02/21/18            Thu 02/22/18
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                      21           3          22          13          29
Temp                      20 17 13 10  6  3  7 17 22 18 13 14 14 15 17 26 29 26
Dewpt                     13 12  9  6  4  1  3  6  9  9 10  9 10 12 14 19 21 23
RH                        74 80 84 83 91 91 83 61 57 67 87 80 84 88 88 74 72 88
Wind dir                  NW NW NW NW NW NW  N  N NE NE  E  E  E  E  E  E  E  E
Wind spd                  13 11 10  9  6  5  4  4  4  4  5  6  6  6  8  9  8  8
Clouds                    B2 B1 B1 SC FW FW CL FW FW SC B1 B2 B2 B2 B1 B2 B2 OV
PoP 12hr                      0           0           0          40          40
QPF 12hr                      0           0           0        0.01           0
Snow 12hr                 00-00       00-00       00-00
Frzg rain                                                                     C
Snow                                                        C  C  C  C  C  C  L
Wind chill                 7  4  0 -5 -8 -8 -2 10 16 11  4  4  4  5  7 17 21 18
Min chill               7     2    -6    -9    -8    10     3     3     4    18


Date               Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
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            22    32      17    32      17    37      21    38
Temp          26   22 32 26 20   19 31 29 24   18 34 35 27   22 37 34
Dewpt         24   21 25 21 18   17 23 24 19   16 24 25 21   19 27 24
PWind dir           S    NW       N     N      NW    SW       S     W
Wind char          LT    LT      LT    LT      GN    GN      GN    GN
Avg clouds    OV   OV B1 SC SC   B1 B2 B2 B1   SC SC SC SC   SC SC SC
PoP 12hr           70     5       5    70      30     5       5     5
Frzg rain      L    C
Snow           L                     C  L  C

$$
IAZ094-202200-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
1206 PM CST Tue Feb 20 2018

Date             Tue 02/20/18            Wed 02/21/18            Thu 02/22/18
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                      31          12          30          21          35
Temp                      28 24 20 16 14 12 16 25 30 24 22 21 21 21 25 31 35 33
Dewpt                     19 17 14 10  9  7  7  8 10 11 13 13 15 16 20 22 25 27
RH                        68 74 77 77 80 80 67 48 42 57 68 71 77 81 81 69 66 78
Wind dir                  NW NW  N  N  N  N  N NE NE NE NE NE NE  E  E  E  E  E
Wind spd                  14 14 14 14 12 11 11 10 10  9 10  9 10  9  8  8  6  6
Clouds                    OV B2 B1 SC SC FW FW FW SC B1 B2 B2 B2 OV OV B2 OV OV
PoP 12hr                     10           0           0          40          30
QPF 12hr                      0           0           0        0.03           0
Snow 12hr                 00-00       00-00       00-00
Frzg rain                                                            C  S     S
Rain                                                                       S  L
Snow                                                        C  C  C  S
Wind chill                17 12  6  1  0 -3  3 15 21 15 12 11 10 11 17 24 29
Min chill              17    11     1    -3    -3    14    10    10    12    25


Date               Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
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    42      27    41      24    45      28    47
Temp          32   28 41 38 30   28 39 40 31   25 42 42 31   30 45 43
Dewpt         28   27 30 29 26   25 29 30 24   21 27 27 25   23 29 27
PWind dir           E     N      NE    NE      NW    SW       S     W
Wind char          LT    LT      GN    GN      GN    GN      GN    GN
Avg clouds    OV   OV B1 B1 B1   B2 B2 B2 B1   SC SC FW FW   FW SC SC
PoP 12hr           60     5      40    60      40     5       0    20
Frzg rain      L    C
Rain           L             S       C  L  C                        S
Sleet          S
Snow                         S    C  C     C

$$
IAZ017-202200-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
1206 PM CST Tue Feb 20 2018

Date             Tue 02/20/18            Wed 02/21/18            Thu 02/22/18
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                      23           4          21          10          28
Temp                      20 17 13 10  7  4  8 18 21 14 10 11 11 12 15 24 28 26
Dewpt                     14 13  9  6  5  2  3  6  9  8  9  7  9 10 13 17 21 22
RH                        77 84 84 83 91 91 79 59 59 76 96 83 91 91 92 74 75 85
Wind dir                  NW NW NW NW NW NW NW NW NW NE  E  E  E  E  E  E  E  E
Wind spd                  14 14 14 13 11  8  5  4  4  5  4  6  5  6  8 10  9  9
Clouds                    B2 B1 B1 SC FW FW CL FW FW FW SC B1 B1 B2 B1 B2 B2 OV
PoP 12hr                      0           0           0          20          40
QPF 12hr                      0           0           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Frzg rain
Snow                                                        S  S  C  C  C  C  L
Wind chill                 6  2 -3 -7 -9-10 -2 11 15  6  2  0  2  1  4 14 19 17
Min chill               8     1    -7   -11    -9     5    -1    -1     0    16


Date               Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
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            22    31      15    32      16    34      19    36
Temp          25   22 31 26 18   16 30 31 24   16 31 32 23   21 35 32
Dewpt         24   22 25 21 16   16 23 25 20   16 23 25 20   18 27 24
PWind dir          SE    NW       N     N      NW    SW       S     W
Wind char          LT    LT      LT    LT      GN    GN      GN    GN
Avg clouds    OV   OV B1 SC SC   B1 B1 B2 B2   B1 SC SC SC   SC SC SC
PoP 12hr           70     5       5    70      40     5       5    10
Frzg rain           C
Snow           L    C                C  L  C

$$
IAZ049-202200-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
1206 PM CST Tue Feb 20 2018

Date             Tue 02/20/18            Wed 02/21/18            Thu 02/22/18
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                      31           9          24          16          32
Temp                      24 21 17 14 11  9 12 21 24 19 16 16 16 17 21 29 32 29
Dewpt                     19 16 13  9  8  5  6  9 11 11 13 12 14 14 18 21 23 25
RH                        81 81 84 80 87 83 76 59 57 70 88 84 92 88 88 72 69 85
Wind dir                  NW NW NW NW  N NW  N  N  N NE NE NE  E  E  E  E  E  E
Wind spd                  16 14 17 16 11 10  9  8  8  6  6  8  6  9  9 10  9  8
Clouds                    B2 B2 B1 SC SC FW FW FW FW SC B1 B2 B2 B2 B2 B2 B2 OV
PoP 12hr                      5           0           0          40          30
QPF 12hr                      0           0           0        0.01        0.01
Snow 12hr                 00-00       00-00       00-00
Frzg rain                                                                     L
Snow                                                        C  C  C  C  C  C  S
Wind chill                12  7  2 -2 -4 -7  0 11 15 10  7  6  7  7 12 20 24 20
Min chill              14     6    -3    -8    -6     9     5     5     7    19


Date               Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
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            25    35      21    36      20    38      22    40
Temp          29   26 35 32 24   22 35 34 27   20 35 36 27   23 39 36
Dewpt         27   26 28 26 21   20 27 28 23   20 25 26 23   21 29 26
PWind dir          SE    NW       N    NE      NW    SW       S    SW
Wind char          LT    LT      LT    GN      GN    GN      GN    GN
Avg clouds    OV   OV B1 SC SC   B1 B2 B2 B2   B1 SC SC SC   SC SC SC
PoP 12hr           70     5      10    70      40     5       0     5
Frzg rain      L    C
Rain                                    L
Snow           S    S                C  L  C    S

$$
IAZ086-202200-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
1206 PM CST Tue Feb 20 2018

Date             Tue 02/20/18            Wed 02/21/18            Thu 02/22/18
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                      33          14          30          22          37
Temp                      30 26 23 19 16 14 17 25 30 24 23 22 22 24 27 33 37 36
Dewpt                     24 22 19 14 11  9  9 11 13 13 16 15 17 17 20 24 25 27
RH                        78 85 84 80 80 80 70 55 49 62 74 74 81 74 74 69 61 69
Wind dir                  NW NW NW NW  N  N  N  N  N NE NE NE NE NE  E  E  E  E
Wind spd                  16 16 17 16 13 12 12 10 10  8  8  9 10 10 10  9  8  8
Clouds                    OV B2 B2 B1 SC SC FW SC SC B1 B2 B2 B2 OV B2 OV OV OV
PoP 12hr                     50           5           0          40          40
QPF 12hr                   0.01           0           0        0.01        0.01
Snow 12hr                 00-00       00-00       00-00
Frzg rain                  S
Rain                                                                    S  S  L
Sleet                      C
Snow                                                        C  C  C  C  S
Tstms
Wind chill                19 15  9  4  2  0  4 15 21 15 14 12 12 13 17 26 31 30
Min chill              21    14     3    -1     0    13    12    11    12    27


Date               Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
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      27    42      25    44      27    47
Temp          32   30 41 38 30   28 40 41 33   26 42 41 31   29 46 42
Dewpt         30   29 32 30 27   25 31 32 27   22 27 28 25   24 30 28
PWind dir           E    NW       N    NE      NW     W       S    SW
Wind char          LT    LT      LT    GN      GN    GN      GN    GN
Avg clouds    OV   OV B2 B1 B1   B2 B2 B2 B1   SC SC SC SC   SC SC SC
PoP 12hr           70    10      40    60      40     5       5    20
Frzg rain      L    L
Rain           L    C        S       L  L  C                        S
Snow                         S    C  L     C    S

$$



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