Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
422 AM CST Sat Nov 18 2017

IAZ060-182200-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
422 AM CST Sat Nov 18 2017

Date             Sat 11/18/17            Sun 11/19/17            Mon 11/20/17
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          46          33          56
Temp             40 37 41 43 37 32 28 26 24 29 41 46 38 35 35 33 34 40 52 56 50
Dewpt            37 34 30 29 26 22 19 17 16 18 22 26 26 28 28 27 27 30 32 33 32
RH               89 89 65 57 64 66 68 68 71 63 46 45 62 75 75 78 75 67 46 42 50
Wind dir          N  N NW NW NW NW NW NW NW  W  W SW  S  S SW SW  S SW SW SW SW
Wind spd         17 17 18 20 14 12  9  9  6  6  8  9  8  8  8  8  9 11 14 14 11
Wind gust        27 27 28 32 25 23                                     26 27
Clouds           OV OV SC FW FW CL CL CL CL FW FW CL CL CL FW FW FW FW FW FW FW
PoP 12hr                    100           0           0           0           0
QPF 12hr                   0.07           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain              D  S
Wind chill       31 27 32 35 28 23 20 17 16 22          28 28 26 26 33
Min chill        30    26    28    19    14    16    31    25    25    26


Date               Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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            35    41      19    36      27    47      34    55
Temp          43   38 41 32 23   19 33 33 29   27 46 41 34   36 54 49
Dewpt         31   27 20 13 11   10 14 16 17   18 26 27 28   30 37 36
PWind dir          SW    NW      NW     W       S    SW      SW    SW
Wind char          GN    GN      GN    LT      LT    LT      LT    GN
Avg clouds    SC   SC FW FW FW   FW FW SC SC   SC SC FW FW   FW SC SC
PoP 12hr            0     0       0     0       0     0       0     5

$$
IAZ039-182200-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
422 AM CST Sat Nov 18 2017

Date             Sat 11/18/17            Sun 11/19/17            Mon 11/20/17
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          21          40          29          51
Temp             37 36 38 38 31 27 25 23 21 25 34 40 33 31 31 29 30 35 47 51 45
Dewpt            36 34 31 28 24 20 16 14 12 13 16 22 23 25 27 27 27 29 32 34 33
RH               96 92 76 67 75 74 68 68 68 60 47 48 66 78 85 92 88 78 56 52 62
Wind dir          N  N NW NW NW NW NW NW NW  W  W SW  S SW SW  S  S  S  S  S  S
Wind spd         17 16 18 20 16 16 12 11  9  9  8  9  6  8  6  6  6  9 12 13 12
Wind gust           26    31 29 27                                        24
Clouds           OV OV SC FW FW FW CL CL CL FW SC FW CL FW FW FW SC FW FW FW FW
PoP 12hr                     50           0           0           0           0
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain              C  S
Wind chill       28 26 28 28 20 15 14 11 11 15 27 34 27 23 23 22 22 28       39
Min chill        27    26    20    12     9    10    26    22    21    22    39


Date               Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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      18    32      24    41      29    51
Temp          40   35 35 27 22   18 30 27 25   24 40 35 31   32 50 44
Dewpt         31   27 18 14 11   11 13 15 16   17 24 26 26   27 35 34
PWind dir          SW    NW      NW     W      SW    SW      SW    SW
Wind char          GN    BZ      GN    LT      LT    LT      LT    GN
Avg clouds    FW   SC FW FW FW   FW FW SC SC   SC SC FW FW   SC SC SC
PoP 12hr            0     0       0     0       0     0       0     5

$$
IAZ048-182200-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
422 AM CST Sat Nov 18 2017

Date             Sat 11/18/17            Sun 11/19/17            Mon 11/20/17
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          22          44          31          54
Temp             38 36 41 41 34 29 26 24 22 27 39 44 35 33 33 31 32 38 50 54 47
Dewpt            36 33 30 28 24 20 18 16 15 18 22 26 26 28 28 27 27 29 32 33 32
RH               92 89 65 59 66 69 71 71 74 68 50 49 69 82 82 85 81 70 50 45 56
Wind dir          N  N NW NW NW NW NW NW NW  W  W SW  S  S  S SW  S  S SW SW SW
Wind spd         18 18 19 20 16 13 10 11  8  8  9 10  6  6  6  6  6 10 14 14 11
Wind gust           28 29 32 27 25                                     25 26
Clouds           OV OV FW FW FW CL CL CL CL FW FW CL CL CL FW FW FW FW FW FW FW
PoP 12hr                     70           0           0           0           0
QPF 12hr                   0.02           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain              L
Wind chill       28 26 32 31 23 18 16 14 13 19 33 38 29 27 27 24 25 31
Min chill        28    26    22    14    11    13    28    25    24    24


Date               Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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    39      18    34      25    45      31    54
Temp          41   36 39 30 23   18 32 31 27   25 44 38 32   33 53 47
Dewpt         31   27 19 13 11   10 14 16 17   18 27 28 27   29 37 36
PWind dir          SW    NW      NW     W       S    SW      SW    SW
Wind char          GN    BZ      GN    LT      LT    LT      LT    GN
Avg clouds    SC   SC FW FW FW   FW FW SC B1   SC SC FW FW   FW SC SC
PoP 12hr            0     0       0     0       0     0       0     5

$$
IAZ004-182200-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
422 AM CST Sat Nov 18 2017

Date             Sat 11/18/17            Sun 11/19/17            Mon 11/20/17
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          19          44          28          51
Temp             31 32 36 36 28 24 22 20 19 26 38 44 34 32 30 28 28 34 47 51 43
Dewpt            27 24 23 21 18 14 12 10 12 16 21 25 25 26 26 25 25 26 29 29 30
RH               85 72 59 54 66 65 65 64 74 65 50 47 69 78 85 88 88 72 49 42 60
Wind dir          N NW NW NW NW NW NW NW  W SW SW SW SW SW SW SW  S  S SW SW SW
Wind spd         13 17 23 24 18 13 12  9  6  9 13 12  9  8  8  8  9 10 14 13 11
Wind gust                       24
Clouds           OV SC FW FW FW CL FW CL FW FW FW FW CL FW SC FW FW FW FW FW SC
PoP 12hr                      5           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill       21 21 24 24 15 12 10  9 10 17 30 38 27 25 22 20 20 26       37
Min chill        21    19    14     9     9    10    27    22    19    20    37


Date               Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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    31      14    31      22    42      29    52
Temp          37   29 30 26 18   14 28 28 25   22 42 35 30   33 51 44
Dewpt         27   19 11 10  8    7  9 14 15   18 24 27 26   29 34 32
PWind dir           W    NW      NW     W       S     W      SW     W
Wind char          GN    BZ      GN    GN      GN    GN      LT    GN
Avg clouds    SC   SC FW FW FW   FW FW SC B1   SC FW FW SC   SC SC SC
PoP 12hr            0     0       0     0       0     0       0     5

$$
IAZ035-182200-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
422 AM CST Sat Nov 18 2017

Date             Sat 11/18/17            Sun 11/19/17            Mon 11/20/17
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                      40          21          45          30          54
Temp             35 33 39 39 32 28 25 23 21 27 40 45 37 33 33 30 30 36 50 54 48
Dewpt            32 28 26 25 21 17 15 13 13 16 22 26 26 27 27 26 25 27 31 31 31
RH               89 82 59 57 63 63 65 65 71 63 48 47 64 78 78 85 81 69 48 41 51
Wind dir          N  N NW NW NW NW NW NW  W  W SW SW  S  S  S SW  S  S  S SW SW
Wind spd         12 12 16 18 14 11 10  9  6  6 10 10  8  8  8  6  8 11 14 14 10
Wind gust           25 27 31 27 23
Clouds           OV B2 FW FW FW CL CL CL FW FW FW CL CL CL FW FW FW FW FW FW SC
PoP 12hr                     20           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain              S
Wind chill       26 24 30 30 21 18 16 13 12 20 33    31 26 26 23 22 28
Min chill        26    24    20    14    11    14    30    25    22    23


Date               Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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    35      17    33      25    45      31    54
Temp          41   34 35 28 21   17 30 29 28   25 44 38 32   33 53 47
Dewpt         28   24 15 11  9    9 12 14 16   18 25 27 27   30 35 34
PWind dir           W    NW      NW     W       S     W      SW    SW
Wind char          GN    BZ      GN    LT      LT    LT      LT    GN
Avg clouds    SC   SC FW FW FW   FW FW SC B1   SC FW FW FW   FW SC SC
PoP 12hr            0     0       0     0       0     0       0     5

$$
IAZ094-182200-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
422 AM CST Sat Nov 18 2017

Date             Sat 11/18/17            Sun 11/19/17            Mon 11/20/17
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          26          47          34          55
Temp             43 38 42 45 39 34 30 27 26 32 43 47 39 36 35 34 35 41 51 55 49
Dewpt            41 35 32 31 29 25 22 20 19 20 23 26 26 28 28 27 27 30 32 32 32
RH               93 89 67 58 67 69 72 74 74 61 45 43 59 72 75 75 72 65 48 41 52
Wind dir          N  N NW NW NW NW NW NW NW  W  W SW  S  S  S  S  S SW SW SW  S
Wind spd         20 20 20 21 14 13  9  9  8  8  9 10  8  9 11 10 11 13 18 17 13
Wind gust        31 32 31 32 25 24                                     28 32
Clouds           OV OV B1 CL FW CL CL CL CL CL CL CL CL CL FW FW SC FW FW FW FW
PoP 12hr                    100           0           0           0           0
QPF 12hr                   0.13           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain              D  C
Wind chill       34 28 33 37 30 25 21 18 18 25       33 29 27 26 27 33
Min chill        33    28    29    20    17    18    32    27    26    28


Date               Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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    44      20    37      29    48      35    56
Temp          42   38 44 34 25   21 34 34 29   29 46 42 38   38 55 49
Dewpt         31   28 21 15 11   11 14 16 18   19 27 29 29   31 37 36
PWind dir          SW    NW      NW     W       S    SW      SW    SW
Wind char          GN    GN      GN    LT      LT    LT      LT    GN
Avg clouds    FW   SC SC FW FW   FW FW SC B1   SC SC FW FW   FW SC SC
PoP 12hr            0     0       0     0       0     0       0     5

$$
IAZ017-182200-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
422 AM CST Sat Nov 18 2017

Date             Sat 11/18/17            Sun 11/19/17            Mon 11/20/17
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                      38          18          40          28          50
Temp             34 33 37 36 29 25 22 19 18 24 35 40 32 31 30 28 28 34 47 49 43
Dewpt            34 30 27 25 21 17 13 12 10 14 18 23 24 26 27 26 26 28 31 31 31
RH              100 89 67 64 72 71 68 74 70 65 49 50 72 81 88 92 92 78 53 50 62
Wind dir          N NW NW NW NW NW NW NW NW  W SW SW SW SW SW SW  S  S  S SW SW
Wind spd         16 17 20 23 18 17 13 12  9  9 11 12  9  8  8  6  8 10 13 13 11
Wind gust              31 33 31
Clouds           OV B2 FW FW FW CL CL CL CL FW SC FW CL FW FW FW SC FW FW FW FW
PoP 12hr                     10           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain
Wind chill       24 22 26 25 17 12  9  6  7 15 27 33 24 23 22 21 20 26       37
Min chill        24    22    16     9     5     8    24    22    20    20    37


Date               Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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    31      15    30      23    40      28    51
Temp          37   31 31 24 19   15 28 27 24   23 40 34 30   32 51 44
Dewpt         28   23 14 11 10    9 12 14 15   17 24 26 25   28 34 33
PWind dir           W    NW      NW     W      SW     W      SW    SW
Wind char          GN    BZ      GN    GN      LT    GN      LT    GN
Avg clouds    SC   SC FW FW FW   FW FW SC B1   SC SC FW SC   SC SC SC
PoP 12hr            0     0       0     0       0     0       0     5

$$
IAZ049-182200-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
422 AM CST Sat Nov 18 2017

Date             Sat 11/18/17            Sun 11/19/17            Mon 11/20/17
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                      40          21          42          30          52
Temp             37 36 38 40 32 28 26 23 21 25 36 42 34 31 30 30 30 36 49 51 45
Dewpt            36 34 31 28 24 20 16 14 13 15 19 23 24 26 28 27 27 30 32 33 32
RH               96 92 76 62 72 71 65 68 71 65 50 46 66 81 92 88 88 79 52 50 60
Wind dir          N  N NW NW NW NW NW NW NW  W  W SW  S  S  S SW  S  S SW SW SW
Wind spd         19 18 20 23 18 16 11 11 10  9  9 10  8  8  8  8  8 11 14 16 12
Wind gust           28    33 29 26                                        28
Clouds           OV OV SC CL FW CL CL CL CL FW FW FW CL CL FW FW SC FW FW FW FW
PoP 12hr                     80           0           0           0           0
QPF 12hr                   0.05           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain              D  S
Wind chill       27 26 28 29 20 16 15 12 11 16 29 36 27 23 23 22 23 28       39
Min chill        27    26    19    14     9    11    26    21    21    23    39


Date               Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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    38      17    32      23    42      30    52
Temp          40   35 38 28 21   17 30 26 25   23 42 36 32   34 51 44
Dewpt         31   27 19 14 10   10 14 15 17   18 25 26 26   28 35 35
PWind dir          SW    NW      NW     W      SW    SW      SW    SW
Wind char          GN    BZ      GN    LT      LT    GN      LT    GN
Avg clouds    FW   SC FW FW FW   FW FW SC SC   SC SC FW FW   FW SC SC
PoP 12hr            0     0       0     0       0     0       0     5

$$
IAZ086-182200-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
422 AM CST Sat Nov 18 2017

Date             Sat 11/18/17            Sun 11/19/17            Mon 11/20/17
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          43          33          55
Temp             42 38 40 43 37 32 29 26 24 29 39 43 35 33 34 33 34 40 51 55 48
Dewpt            39 36 34 31 28 24 21 18 16 17 19 22 24 25 28 27 28 30 33 34 33
RH               89 92 79 62 70 72 72 71 71 60 44 43 64 72 78 78 78 67 50 45 56
Wind dir          N  N NW NW NW NW NW NW NW NW  W  W  S  S SW SW SW SW SW SW  S
Wind spd         18 21 20 20 16 16 12 10 10 10  9  9  8  9 10 10 10 13 17 16 13
Wind gust           33 31 31 27 27                                     28 28
Clouds           OV OV B2 FW FW CL CL CL CL FW FW CL CL CL FW CL FW FW FW FW FW
PoP 12hr                    100           0           0           0           0
QPF 12hr                   0.20           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain              D  D
Wind chill       33 27 31 34 28 21 19 16 15 20 33    29 25 26 25 26 33
Min chill        33    27    26    17    13    15    28    24    24    26


Date               Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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    43      21    35      26    45      33    54
Temp          42   38 43 33 24   21 33 31 26   26 44 39 35   36 53 46
Dewpt         32   30 22 16 12   11 13 16 17   18 25 27 27   28 35 35
PWind dir          SW    NW      NW    NW      SW    SW      SW    SW
Wind char          GN    GN      GN    LT      LT    LT      LT    GN
Avg clouds    FW   SC SC FW FW   FW FW FW SC   SC SC FW FW   FW SC SC
PoP 12hr            0     0       0     0       0     0       0     5

$$



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