Point Forecast Matrices
Issued by NWS Des Moines, IA

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187
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Point Forecast Matrices
National Weather Service Des Moines IA
321 PM CST Fri Nov 17 2017

IAZ060-181000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
321 PM CST Fri Nov 17 2017

Date           11/17/17      Sat 11/18/17            Sun 11/19/17            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                      37          43          24          45          33
Temp             49 49 47 43 37 36 40 43 37 32 29 25 25 29 40 45 39 35 35 34 34
Dewpt            49 48 43 39 35 30 29 28 26 23 20 19 18 20 23 26 25 27 26 26 27
RH              100 96 86 86 92 79 64 55 64 69 69 78 74 69 50 47 57 72 69 72 75
Wind dir          E  N  N  N  N NW NW NW NW NW NW NW NW  W  W SW  S  S SW SW  S
Wind spd          4  3 12 14 16 18 19 18 14 12  9  8  8  6  6  9  6  8  9  9 11
Wind gust                    32 31 31 29
Clouds           OV B2 OV OV OV B2 FW FW FW FW CL CL CL FW FW FW CL CL FW FW SC
PoP 12hr                     90          60           0           0           0
QPF 12hr                   0.17        0.04           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                       D  L  C
Snow                          C  C
Obvis            PF PF
Wind chill                35 27 26 31 34 28 22 20 16 16 22          29 28 26 26
Min chill                    26    24    27    19    15    16    33    27    25


Date           11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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          58      34    42      22    39      28    48      35    50
Temp          53 50 43   34 42 36 27   23 37 37 32   30 47 44 39   36 50 44
Dewpt         31 31 30   27 23 18 14   13 18 19 20   22 27 29 31   31 36 37
PWind dir        SW      SW    NW       N    SW       S    SW      SW    SW
Wind char        BZ      GN    GN      LT    LT      LT    GN      LT    LT
Avg clouds    FW FW SC   SC SC FW FW   FW FW SC SC   SC SC SC FW   FW SC SC
PoP 12hr          0       0     0       0     0       5     5       5     0

$$
IAZ039-181000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
321 PM CST Fri Nov 17 2017

Date           11/17/17      Sat 11/18/17            Sun 11/19/17            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                      36          39          21          39          29
Temp             41 40 43 40 36 35 38 38 32 28 26 23 21 25 35 39 32 30 30 30 30
Dewpt            41 40 41 38 34 31 29 27 24 21 18 16 14 16 18 23 23 26 26 27 27
RH              100100 93 92 92 85 70 64 72 75 71 74 74 68 49 52 69 85 85 88 88
Wind dir         SE NE  N  N  N NW NW NW NW NW NW NW NW  W  W SW  S  S  S  S  S
Wind spd          5  4 10 13 16 17 17 19 16 14 11 10  9  8  8  9  6  8  8  8  8
Wind gust                    28 29 28 31 27    21
Clouds           OV OV OV OV OV B2 SC FW FW FW FW FW CL FW SC FW FW FW FW FW FW
PoP 12hr                     60          60           0           0           0
QPF 12hr                   0.18        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle           C  S
Rain                       L  L  C
Snow                          L  C
Obvis            PF PF
Wind chill             37 32 27 25 28 28 21 16 15 12 11 16 29 33 26 22 22 22 22
Min chill        31    36    26    23    20    14    10    11    26    21    21


Date           11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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          52      31    37      20    34      25    42      31    46
Temp          50 46 39   31 37 30 23   21 33 31 29   26 41 39 34   32 45 39
Dewpt         32 32 30   27 22 18 15   14 17 19 19   20 25 28 30   30 34 35
PWind dir        SW      SW    NW      NW     W       S     S      SW    SW
Wind char        GN      GN    GN      GN    LT      LT    GN      LT    LT
Avg clouds    FW FW SC   SC SC FW FW   FW FW SC B1   SC SC SC FW   FW SC B1
PoP 12hr          0       0     0       0     0       5     5       5     0

$$
IAZ048-181000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
321 PM CST Fri Nov 17 2017

Date           11/17/17      Sat 11/18/17            Sun 11/19/17            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                      36          41          23          44          31
Temp             46 46 45 41 36 35 39 41 35 30 28 24 23 28 40 44 37 33 33 32 32
Dewpt            46 45 41 37 33 29 28 28 25 22 19 18 18 19 23 26 26 27 26 27 26
RH              100 96 86 85 89 78 64 59 66 72 68 77 81 68 50 49 64 78 75 81 78
Wind dir          E  N  N  N  N NW NW NW NW NW NW NW NW  W  W SW  S  S SW  S  S
Wind spd          4  4 14 17 17 18 19 19 14 12 10  9  8  8  8  9  6  8  8  8 10
Wind gust                 27 32 32 31 32
Clouds           OV OV OV OV OV B2 FW FW FW FW CL CL CL FW FW FW CL FW FW FW SC
PoP 12hr                     70          60           0           0           0
QPF 12hr                   0.16        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                       L  L  S
Snow                          L  S
Obvis            PF PF
Wind chill             38 33 26 24 29 32 26 20 19 15 14 21       31 26 26 25 24
Min chill              37    26    24    24    17    13    14    30    24    23


Date           11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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          54      32    40      21    37      27    46      33    49
Temp          53 48 40   32 40 33 25   22 36 33 32   29 45 40 37   34 48 42
Dewpt         31 32 30   26 22 18 14   13 18 20 20   21 27 29 30   30 35 36
PWind dir        SW      SW    NW      NW    SW       S    SW      SW    SW
Wind char        GN      GN    GN      LT    LT      LT    GN      LT    LT
Avg clouds    FW FW SC   SC SC FW FW   FW FW SC SC   SC SC SC FW   FW SC B1
PoP 12hr          0       0     0       0     0       5     5       5     0

$$
IAZ004-181000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
321 PM CST Fri Nov 17 2017

Date           11/17/17      Sat 11/18/17            Sun 11/19/17            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          36          19          41          28
Temp             41 38 37 33 30 30 34 35 28 24 23 21 19 25 37 41 34 32 31 30 28
Dewpt            39 37 32 28 24 22 22 22 19 17 15 14 14 17 21 25 25 26 26 24 24
RH               92 96 82 82 78 72 61 59 68 74 71 74 80 71 52 52 69 78 81 78 85
Wind dir          N  N  N  N NW NW NW NW NW NW NW NW  W  W SW SW SW SW SW SW  S
Wind spd          8 11 16 17 16 17 19 20 16 12 10  9  8  8 11 11  9  9  9  8  9
Wind gust                    26 29 32 33
Clouds           OV OV OV OV B2 FW FW SC FW FW FW CL FW FW FW FW FW FW FW FW FW
PoP 12hr                     40           0           0           0           0
QPF 12hr                   0.02           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle              C
Rain                    C
Snow                       S
Obvis            PF
Wind chill          31 28 22 19 18 23 23 16 12 12 10  9 16 29 34 27 24 23 22 19
Min chill        36    28    19    17    15    10     8     9    27    23    19


Date           11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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          50      25    32      16    34      24    44      29    45
Temp          48 43 34   25 32 27 20   17 33 30 29   26 43 38 34   30 45 37
Dewpt         28 28 25   21 15 13 10   10 14 18 18   19 25 28 30   29 32 31
PWind dir        SW       W    NW      NW    SW       S    SW       W    NW
Wind char        GN      GN    BZ      GN    GN      GN    GN      GN    GN
Avg clouds    FW FW SC   SC FW FW FW   FW SC SC B1   SC SC SC FW   FW SC B2
PoP 12hr          0       0     0       0     0       0     0       5     0

$$
IAZ035-181000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
321 PM CST Fri Nov 17 2017

Date           11/17/17      Sat 11/18/17            Sun 11/19/17            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                      33          39          22          44          30
Temp             45 44 41 37 33 33 38 38 33 27 26 24 22 26 39 44 37 32 32 31 31
Dewpt            45 42 37 33 29 25 26 25 22 19 17 16 15 18 23 26 25 27 26 26 25
RH              100 93 85 85 85 72 62 59 63 71 68 71 74 71 52 49 61 81 78 81 78
Wind dir          E  N  N  N  N NW NW NW NW NW NW NW  W  W SW SW  S  S SW  S  S
Wind spd          4 10 12 14 17 17 19 19 16 13 10  8  6  8  9 10  8  8  8  8  9
Wind gust                    27 29 31 32 26
Clouds           OV OV OV OV OV B1 FW FW FW FW FW CL FW FW FW FW CL FW FW FW SC
PoP 12hr                     60          20           0           0           0
QPF 12hr                   0.09           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle
Rain                       L
Snow                          S
Obvis            PF PF
Wind chill          38 33 28 22 22 28 28 22 16 16 15 14 18 33 38 31 25 25 24 23
Min chill              32    22    21    22    15    14    14    29    24    22


Date           11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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          53      29    37      19    36      26    47      31    48
Temp          52 47 39   29 37 30 23   20 35 31 31   28 46 41 35   32 48 39
Dewpt         30 31 28   24 19 15 11   11 17 19 19   21 26 29 30   29 34 34
PWind dir        SW       W    NW       N    SW       S    SW      SW    SW
Wind char        GN      GN    GN      LT    LT      GN    GN      LT    GN
Avg clouds    FW FW SC   SC FW FW FW   FW FW SC SC   SC SC SC FW   FW SC B1
PoP 12hr          0       0     0       0     0       0     0       5     0

$$
IAZ094-181000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
321 PM CST Fri Nov 17 2017

Date           11/17/17      Sat 11/18/17            Sun 11/19/17            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                      38          44          25          46          34
Temp             54 53 51 46 39 37 42 44 38 33 29 25 25 30 41 46 40 35 35 34 35
Dewpt            53 52 47 41 36 33 30 29 27 24 21 20 20 21 24 26 26 26 26 26 27
RH               96 96 86 83 89 85 62 55 64 69 72 81 81 69 50 45 57 69 69 72 72
Wind dir         SE  E  N  N  N NW NW NW NW NW NW NW NW  W  W SW  S  S  S  S  S
Wind spd          5  4 10 16 20 19 19 18 14 12  9  8  8  6  8 10  8  9 10 10 12
Wind gust                    35 33 32 29
Clouds           B2 B2 OV OV OV OV SC FW FW FW CL CL CL FW FW CL CL CL FW FW SC
PoP 12hr                     90          80           0           0           0
QPF 12hr                   0.08        0.10           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle           S
Rain                       C  D  C
Snow                             C
Obvis            PF PF
Wind chill                39 29 27 33 36 30 24 20 16 16 23          28 27 26 26
Min chill                    29    27    29    20    16    18    33    27    25


Date           11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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          55      35    45      24    40      29    49      36    52
Temp          53 51 42   35 45 38 29   25 39 37 33   31 48 44 40   37 51 44
Dewpt         31 30 30   28 24 20 16   14 19 20 21   22 28 30 32   33 37 37
PWind dir        SW      SW    NW       N    SW       S    SW       S     S
Wind char        BZ      GN    GN      LT    LT      LT    GN      GN    GN
Avg clouds    FW FW FW   SC SC FW FW   FW FW SC SC   SC SC SC SC   FW SC SC
PoP 12hr          0       0     0       0     0       0     5       5     0

$$
IAZ017-181000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
321 PM CST Fri Nov 17 2017

Date           11/17/17      Sat 11/18/17            Sun 11/19/17            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                      33          36          19          39          28
Temp             40 38 40 36 33 32 35 35 28 25 23 20 19 24 34 39 31 30 30 28 30
Dewpt            40 38 37 34 30 26 25 24 21 19 16 14 12 16 19 23 24 26 26 26 26
RH              100100 89 92 89 78 66 64 75 78 74 77 74 71 54 52 75 85 85 92 85
Wind dir          E  N  N  N NW NW NW NW NW NW NW NW NW  W  W SW SW SW SW  S  S
Wind spd          4  8 14 17 17 17 19 20 17 16 12 11 10  9  9 10  8  8  8  8  9
Wind gust                    27 29 32 33 27
Clouds           OV OV OV OV OV B1 FW FW FW FW FW CL FW FW SC FW FW FW FW FW FW
PoP 12hr                     60          10           0           0           0
QPF 12hr                   0.08           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle           S  S
Rain                       L
Snow                       L
Obvis            PF PF
Wind chill          32 32 26 22 21 24 24 16 12 11  8  7 14 27 32 24 22 22 20 22
Min chill        32    31    22    18    16    11     7     9    24    21    19


Date           11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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          51      28    34      17    33      24    43      29    45
Temp          49 43 35   28 34 28 21   18 32 27 28   26 42 37 32   30 45 36
Dewpt         30 31 28   24 18 16 12   12 16 18 19   20 25 27 29   29 34 33
PWind dir        SW       W    NW      NW    SW       S     S      SW    SW
Wind char        GN      GN    BZ      GN    LT      GN    GN      GN    GN
Avg clouds    FW FW SC   SC FW FW FW   FW FW SC B1   SC SC SC FW   FW SC B2
PoP 12hr          0       0     0       0     0       5     5       5     0

$$
IAZ049-181000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
321 PM CST Fri Nov 17 2017

Date           11/17/17      Sat 11/18/17            Sun 11/19/17            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                      36          40          21          41          29
Temp             43 43 44 40 36 35 37 40 33 27 25 22 21 26 35 41 34 31 31 30 30
Dewpt            43 43 42 38 34 31 28 27 24 22 18 16 15 18 20 24 24 26 26 26 26
RH              100100 93 92 92 85 70 59 69 81 74 77 77 71 54 50 66 81 81 85 85
Wind dir         SE NE  N  N  N NW NW NW NW NW NW NW NW  W  W SW  S  S  S  S  S
Wind spd          5  5 13 16 17 19 19 19 17 14 11 10  9  9  9 10  8  8  9  8  9
Wind gust                    32 33 31 31 27
Clouds           OV OV OV OV OV B2 SC FW FW FW FW CL CL FW FW FW CL FW FW FW SC
PoP 12hr                     60          60           0           0           0
QPF 12hr                   0.18        0.01           0           0           0
Snow 12hr                 00-00           T       00-00
Drizzle           C
Rain                       L  L
Snow                          C  C
Obvis            PF PF
Wind chill             37 32 26 24 27 31 22 16 14 11 11 17 29 34 27 24 23 22 22
Min chill        36    36    26    21    21    14    10    12    26    22    21


Date           11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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          51      32    38      20    34      25    44      31    47
Temp          50 45 39   32 38 30 24   21 33 30 28   27 43 40 35   32 47 39
Dewpt         32 32 30   27 22 18 14   13 17 19 19   20 26 28 31   29 34 35
PWind dir        SW      SW    NW      NW     W       S     S      SW    SW
Wind char        GN      GN    GN      LT    LT      LT    GN      LT    GN
Avg clouds    FW FW SC   SC SC FW FW   FW FW SC SC   SC SC SC FW   FW SC B1
PoP 12hr          0       0     0       0     0       5     5       5     0

$$
IAZ086-181000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
321 PM CST Fri Nov 17 2017

Date           11/17/17      Sat 11/18/17            Sun 11/19/17            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                      39          43          24          43          32
Temp             49 49 49 46 41 39 41 43 38 33 30 25 24 29 39 43 35 32 33 32 33
Dewpt            48 48 48 43 39 35 32 29 27 25 21 19 18 19 20 23 24 26 27 26 27
RH               96 96 96 89 92 85 70 57 64 72 69 78 77 66 46 45 64 78 78 78 78
Wind dir         SE SE NW  N  N NW NW NW NW NW NW NW NW NW  W  W  S  S SW SW SW
Wind spd          8  5  9 12 17 20 19 18 16 13 11  9  9  9  9  9  8  9 10 11 11
Wind gust                    32 35 31 29
Clouds           OV OV OV OV OV OV B1 FW FW FW CL CL CL FW FW FW CL CL FW FW SC
PoP 12hr                     90          90           0           0           0
QPF 12hr                   0.11        0.15           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle           C
Rain                       L  D  L
Wind chill                   32 29 32 35 29 23 20 16 14 21 33    28 24 25 23 25
Min chill                    32    26    28    19    14    16    27    23    22


Date           11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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          55      36    44      23    38      28    47      34    51
Temp          54 49 42   36 44 36 27   24 37 34 31   30 46 41 38   35 51 43
Dewpt         32 31 31   29 25 20 16   15 18 20 20   22 26 29 32   32 37 37
PWind dir        SW      SW    NW      NW     W       S     S      SW    SW
Wind char        BZ      GN    GN      GN    LT      LT    GN      GN    GN
Avg clouds    FW FW FW   SC SC FW FW   FW FW SC SC   SC SC SC SC   FW FW SC
PoP 12hr          0       0     0       0     0       5     5       5     0

$$



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