Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
407 AM CST Tue Nov 21 2017

IAZ060-212200-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
407 AM CST Tue Nov 21 2017

Date             Tue 11/21/17            Wed 11/22/17            Thu 11/23/17
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          19          40          31          51
Temp             40 38 37 35 30 27 25 23 19 25 36 40 35 32 32 31 32 35 46 51 43
Dewpt            25 21 17 14 13 13 13 13 12 14 14 15 16 18 21 21 25 28 32 33 33
RH               55 50 44 41 49 55 60 65 74 62 40 36 45 56 63 66 75 75 58 50 67
Wind dir          N  N  N  N  N  N NW NW  W SW SW SW  S  S SW SW  W NW NW  W SW
Wind spd         13 23 24 21 14  9  6  5  3  4  8  8  6  8  8  6  5  8  6  5  4
Wind gust        28 35 35 32
Clouds           B2 SC FW CL CL CL FW CL CL CL FW B1 B2 SC SC FW FW CL CL CL FW
PoP 12hr                      5           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill       32 27 25 23 19 18 17 16       29 34 29 25 26 24 26 29
Min chill        32    24    19    16    13    15    28    24    24    25


Date               Fri 11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17
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            39    62      38    47      28    40      27    47
Temp          39   42 60 54 46   38 47 41 33   29 39 36 29   28 46 45
Dewpt         36   38 43 37 31   28 29 26 25   22 22 22 22   21 28 30
PWind dir          SW    SW      NW    NW      NW     N      SE     S
Wind char          LT    BZ      GN    GN      LT    LT      LT    GN
Avg clouds    FW   FW SC SC SC   FW FW FW FW   FW FW FW FW   FW FW FW
PoP 12hr            0     5       5     0       0     0       0     0

$$
IAZ039-212200-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
407 AM CST Tue Nov 21 2017

Date             Tue 11/21/17            Wed 11/22/17            Thu 11/23/17
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                      34          18          35          26          44
Temp             35 31 32 32 27 24 22 20 18 23 32 35 31 29 29 28 26 32 41 44 36
Dewpt            24 20 18 17 15 14 14 12 11 13 13 15 16 18 19 20 22 25 29 31 29
RH               64 63 56 53 60 65 71 71 73 65 45 43 53 63 66 71 85 75 62 60 75
Wind dir         NW NW NW NW NW NW NW NW  W SW SW SW  S  S  S SW  W NW NW  W SW
Wind spd         17 25 26 23 16 11  9  6  3  4  6  9  8  9  9  5  6  8  6  6  4
Wind gust        34 43 39 34 26
Clouds           B1 FW FW CL CL CL FW FW CL CL FW B1 B2 B2 B1 SC FW FW FW FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill       24 17 18 19 15 13 12 11       26 28 24 20 21 21 19 25
Min chill        23    17    13    11    10    14    22    20    18    19    31


Date               Fri 11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17
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            33    57      34    40      24    35      23    42
Temp          33   37 55 51 44   36 40 35 28   25 34 29 25   23 42 40
Dewpt         31   35 42 40 32   28 26 24 22   18 20 21 20   19 25 28
PWind dir           S    SW      NW    NW      NW    NW      SW     S
Wind char          LT    BZ      GN    GN      GN    GN      LT    GN
Avg clouds    FW   FW SC B1 SC   FW FW FW FW   FW FW FW FW   SC SC SC
PoP 12hr            0    10       5     0       0     0       0     0

$$
IAZ048-212200-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
407 AM CST Tue Nov 21 2017

Date             Tue 11/21/17            Wed 11/22/17            Thu 11/23/17
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                      36          18          38          27          49
Temp             38 34 33 32 27 25 23 21 18 25 34 38 32 30 29 28 27 32 45 48 39
Dewpt            24 20 16 14 13 13 13 13 12 14 14 16 17 18 20 22 25 28 31 33 32
RH               57 56 49 47 55 60 65 71 77 62 43 40 53 60 69 78 92 85 58 56 76
Wind dir         NW NW  N  N NW  N NW NW  W SW  S  S  S  S SW  W  W NW NW  W SW
Wind spd         18 25 26 23 16 11  8  5  3  4  9 10  8  8  8  6  5  8  8  5  4
Wind gust        31 40 37 33 26
Clouds           B2 SC FW CL CL CL FW CL CL CL FW B1 B2 SC SC FW FW FW CL FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill       28 21 20 19 15 14 14 13    19 26 31 25 22 22 21 21 25
Min chill        27    19    14    12    11    12    24    20    20    21    36


Date               Fri 11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17
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    61      36    44      25    38      25    45
Temp          36   40 59 52 45   37 44 37 30   25 38 33 28   25 44 42
Dewpt         35   37 43 38 30   28 28 26 24   21 22 22 22   21 27 30
PWind dir           S    SW      NW    NW      NW     N      SE     S
Wind char          LT    BZ      GN    GN      GN    LT      LT    GN
Avg clouds    FW   FW SC SC SC   FW FW FW FW   FW FW FW FW   SC FW SC
PoP 12hr            0     5       0     0       0     0       0     0

$$
IAZ004-212200-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
407 AM CST Tue Nov 21 2017

Date             Tue 11/21/17            Wed 11/22/17            Thu 11/23/17
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                      28          15          36          25          45
Temp             29 24 27 28 24 20 19 17 15 21 31 36 32 29 28 28 25 28 39 45 37
Dewpt            17 13 12 11 10  9  8  8  9 11 11 14 17 19 22 24 25 26 28 31 32
RH               60 62 53 48 54 62 61 67 77 65 43 40 53 66 78 85100 92 64 58 82
Wind dir         NW NW  N  N NW NW NW  W SW  S  S  S  S SW  W NW NW NW  W SW  S
Wind spd         23 27 28 23 14  9  8  5  4  8 13 14 13 11  9 11 10  8  5  6  8
Wind gust        37 42 41 34
Clouds           SC FW CL CL CL FW FW CL CL FW B1 B2 B1 SC SC FW FW FW FW FW SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill       15  7 11 14 12  9  9  9  8 11 20 27 22 19 19 19 15 20       31
Min chill        14     7    11     8     6     7    22    19    15    16    30
Wind              Y  Y  Y


Date               Fri 11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17
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    56      31    38      21    34      23    43
Temp          38   39 55 47 41   33 38 32 25   21 33 30 27   27 43 39
Dewpt         36   37 39 34 27   26 24 24 21   17 19 20 20   20 26 29
PWind dir          SW     W      NW    NW      NW     N       S    SW
Wind char          GN    BZ      BZ    BZ      GN    GN      GN    GN
Avg clouds    FW   FW SC B1 SC   FW FW FW FW   FW FW SC SC   SC SC SC
PoP 12hr            0    20       0     0       0     0       0     0
Rain                      S

$$
IAZ035-212200-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
407 AM CST Tue Nov 21 2017

Date             Tue 11/21/17            Wed 11/22/17            Thu 11/23/17
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                      33          17          37          28          47
Temp             35 30 30 30 26 24 22 20 17 23 32 37 33 31 30 29 28 32 43 46 38
Dewpt            22 17 13 12 11 11 11 10 10 12 13 15 17 18 21 23 26 28 31 31 32
RH               59 58 49 46 52 57 62 64 73 62 45 40 51 58 69 78 92 85 62 55 79
Wind dir         NW  N  N  N  N NW NW  W SW  S  S  S  S  S SW  W NW NW NW  W  S
Wind spd         17 23 24 20 13  9  6  4  3  6 11 11 10 10  8  6  6  9  6  5  5
Wind gust        32 41 40
Clouds           B1 FW CL CL CL CL FW CL CL CL SC B2 B2 SC SC FW FW FW FW FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill       25 16 16 17 14 14 13 13    15 23 29 25 22 23 22 21 24
Min chill        23    15    14    12    11    11    24    21    21    20    34


Date               Fri 11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17
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    59      35    42      24    37      25    44
Temp          36   39 58 50 44   37 42 36 30   25 36 33 28   26 44 42
Dewpt         36   38 42 35 29   27 27 24 23   19 21 21 21   20 27 29
PWind dir           S    SW      NW    NW      NW     N      SE     S
Wind char          GN    BZ      GN    GN      GN    LT      LT    GN
Avg clouds    FW   FW SC SC SC   FW FW FW FW   FW FW FW SC   SC SC SC
PoP 12hr            0     5       0     0       0     0       0     0

$$
IAZ094-212200-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
407 AM CST Tue Nov 21 2017

Date             Tue 11/21/17            Wed 11/22/17            Thu 11/23/17
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                      41          20          40          31          53
Temp             40 41 40 37 31 27 25 23 20 26 36 40 34 31 31 31 31 36 48 53 45
Dewpt            27 23 18 14 12 13 13 14 13 14 14 14 17 18 20 21 25 28 33 34 34
RH               59 48 41 38 45 55 60 68 74 60 40 34 49 58 63 66 78 72 56 48 65
Wind dir          N  N  N  N  N  N NW NW NW SW SW SW  S  S SW SW  W NW NW NW  W
Wind spd         12 20 24 21 12  8  6  5  4  3  8  9  8 10 10  9  8  8  8  6  4
Wind gust           33 35
Clouds           B2 B2 SC CL CL CL FW CL CL CL FW SC B1 SC SC FW FW CL CL CL FW
PoP 12hr                      5           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill       33 32 29 26 21 19 17 16 13    30 34 27 23 23 23 24 30
Min chill        31    28    21    16    12    13    27    22    22    24


Date               Fri 11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17
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            39    64      39    50      29    43      29    48
Temp          39   41 60 55 46   40 49 43 34   31 42 38 32   30 47 45
Dewpt         36   38 42 36 30   28 29 27 26   24 23 23 24   23 29 31
PWind dir          SW    SW      NW    NW      NW     N      SE     S
Wind char          LT    BZ      GN    GN      GN    GN      LT    GN
Avg clouds    FW   FW SC SC SC   FW FW FW FW   FW FW FW FW   FW FW FW
PoP 12hr            0     0       5     0       0     0       0     0

$$
IAZ017-212200-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
407 AM CST Tue Nov 21 2017

Date             Tue 11/21/17            Wed 11/22/17            Thu 11/23/17
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                      29          16          35          25          44
Temp             31 26 29 29 24 22 20 19 16 22 31 35 31 29 28 26 25 30 41 43 36
Dewpt            20 17 15 14 13 13 12 11 11 12 12 14 16 18 19 21 23 26 28 29 29
RH               63 68 55 53 62 68 71 70 80 65 45 41 53 63 68 81 92 85 59 57 75
Wind dir         NW NW NW NW NW NW NW NW  W SW  S  S  S  S SW  W NW NW NW  W SW
Wind spd         25 28 28 24 17 12 10  6  4  5 10 11 10 11  9  8  8  9  8  5  5
Wind gust        37 42 41 34
Clouds           SC FW FW CL CL CL FW CL CL CL SC B2 B2 B1 B1 SC FW FW FW FW SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill       17 10 14 15 10 10  9 10  9 15 23 27 22 19 19 18 16 22
Min chill        16    10    10     9     8    10    22    19    16    17    30
Wind              Y  Y  Y


Date               Fri 11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17
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            34    56      33    38      22    33      22    41
Temp          36   39 55 49 42   34 38 32 27   22 32 29 25   23 41 39
Dewpt         33   36 41 37 29   27 25 23 21   18 20 20 20   19 25 28
PWind dir           S    SW      NW    NW      NW     N      SE     S
Wind char          GN    BZ      BZ    BZ      GN    GN      LT    GN
Avg clouds    FW   FW SC SC SC   FW FW FW FW   FW FW FW SC   SC SC SC
PoP 12hr            0    20       5     0       0     0       0     0
Rain                      S

$$
IAZ049-212200-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
407 AM CST Tue Nov 21 2017

Date             Tue 11/21/17            Wed 11/22/17            Thu 11/23/17
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                      35          17          36          27          46
Temp             36 33 32 32 25 23 22 20 17 23 32 36 30 29 29 27 27 32 42 46 37
Dewpt            23 19 16 14 13 13 13 12 11 12 14 15 16 18 20 20 23 26 30 31 31
RH               59 56 51 47 60 65 68 71 77 62 47 42 55 63 69 74 85 78 62 55 79
Wind dir         NW NW NW NW NW NW NW NW  W SW SW SW  S  S  S SW  W NW NW  W SW
Wind spd         17 25 27 25 17 11  9  5  3  4  8 10  9 10  9  6  6  9  8  6  4
Wind gust        33 40 39
Clouds           B2 SC CL CL CL CL FW CL CL CL FW B1 B2 B1 B1 FW FW FW CL FW FW
PoP 12hr                      5           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill       26 20 18 19 12 12 12 11       25 29 22 20 20 20 20 25
Min chill        26    17    12    10    10    13    22    19    20    20    33


Date               Fri 11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17
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            34    58      36    41      24    36      24    43
Temp          34   38 57 51 45   38 41 35 29   25 35 32 27   26 42 40
Dewpt         33   36 42 38 31   29 27 25 23   20 21 20 21   20 26 29
PWind dir          SW    SW      NW    NW      NW     N      SE     S
Wind char          LT    BZ      GN    BZ      GN    GN      LT    GN
Avg clouds    FW   FW SC SC SC   FW FW FW FW   FW FW FW FW   SC SC SC
PoP 12hr            0    10       5     0       0     0       0     0

$$
IAZ086-212200-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
407 AM CST Tue Nov 21 2017

Date             Tue 11/21/17            Wed 11/22/17            Thu 11/23/17
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          19          39          29          49
Temp             40 40 38 37 30 26 24 22 19 26 35 39 32 30 30 30 29 35 46 49 40
Dewpt            28 23 18 15 13 13 14 14 13 14 14 14 16 17 20 20 22 25 31 32 31
RH               62 50 44 40 49 57 65 71 77 60 41 35 51 58 66 66 75 66 55 52 70
Wind dir         NW NW  N  N NW NW NW NW NW  W SW SW  S  S  S SW SW  W NW NW  W
Wind spd         11 21 26 21 14 10  8  6  4  3  5  8  6  9  9  8  8  9  9  6  4
Wind gust           33 37 32
Clouds           OV B1 FW FW CL CL FW CL CL CL CL SC B2 B1 B1 SC FW FW CL CL FW
PoP 12hr                      5           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill       33 30 27 26 19 17 16 15 12       33 26 21 22 22 21 28
Min chill        33    26    19    15    12    13    24    20    20    21    37


Date               Fri 11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17
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    60      38    47      28    39      26    46
Temp          36   39 57 53 45   38 47 40 33   30 39 35 30   27 45 43
Dewpt         33   36 42 39 33   29 28 27 24   22 21 21 22   21 26 28
PWind dir          SW    SW      NW    NW      NW     N      SE     S
Wind char          LT    BZ      GN    BZ      GN    GN      LT    GN
Avg clouds    FW   FW FW SC SC   FW FW FW FW   FW FW FW FW   FW FW FW
PoP 12hr            0     5       5     0       0     0       0     0

$$



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