Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
406 AM CST Fri Nov 17 2017

IAZ060-172200-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
406 AM CST Fri Nov 17 2017

Date             Fri 11/17/17            Sat 11/18/17            Sun 11/19/17
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                      54          36          43          24          45
Temp             41 44 50 54 54 51 47 42 37 36 40 43 37 32 29 25 25 29 40 45 39
Dewpt            34 40 45 49 49 48 43 39 35 30 29 28 26 23 20 19 18 20 23 26 25
RH               76 86 83 83 83 89 86 89 92 79 64 55 64 69 69 78 74 69 50 47 57
Wind dir         SE SE  S  S  S NW  N  N  N NW NW NW NW NW NW NW NW  W  W SW  S
Wind spd         11 11 12  9  6  4 12 14 16 18 19 18 14 12  9  8  8  6  6  9  6
Wind gust                                32 31 31 29
Clouds           OV OV OV OV OV OV OV OV OV B2 FW FW FW FW CL CL CL FW FW FW CL
PoP 12hr                     60          90          60           0           0
QPF 12hr                   0.04        0.17        0.04           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle             AR AR
Rain                       L           D  L  C
Snow                                      C  C
Wind chill       35 38                35 27 26 31 34 28 22 20 16 16 22
Min chill        33    35                26    24    27    19    15    16    33


Date               Mon 11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17
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    58      34    42      22    39      28    48
Temp          35   34 53 50 43   34 42 36 27   23 37 37 32   30 47 44
Dewpt         26   27 31 31 30   27 23 18 14   13 18 19 20   22 27 29
PWind dir          SW    SW      SW    NW       N    SW       S    SW
Wind char          GN    BZ      GN    GN      LT    LT      LT    GN
Avg clouds    FW   FW FW FW SC   SC SC FW FW   FW FW SC SC   SC SC SC
PoP 12hr            0     0       0     0       0     0       5     5

$$
IAZ039-172200-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
406 AM CST Fri Nov 17 2017

Date             Fri 11/17/17            Sat 11/18/17            Sun 11/19/17
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          35          39          21          39
Temp             34 36 40 42 45 44 43 40 36 35 38 38 32 28 26 23 21 25 35 39 32
Dewpt            31 34 38 41 43 42 41 38 34 31 29 27 24 21 18 16 14 16 18 23 23
RH               89 92 92 96 93 93 93 92 92 85 70 64 72 75 71 74 74 68 49 52 69
Wind dir         SE SE  S  S SE NE  N  N  N NW NW NW NW NW NW NW NW  W  W SW  S
Wind spd         14 14 13 11  9  3 10 13 16 17 17 19 16 14 11 10  9  8  8  9  6
Wind gust                                28 29 28 31 27    21
Clouds           OV OV OV OV OV OV OV OV OV B2 SC FW FW FW FW FW CL FW SC FW FW
PoP 12hr                     80          60          60           0           0
QPF 12hr                   0.06        0.17        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle              O AR    AR  O
Rain                       D           L  L  C
Snow                                      L  C
Wind chill       24 27 32 36       37 32 27 25 28 28 21 16 15 12 11 16 29 33 26
Min chill        23    24    32    37    26    23    20    14    10    11    26


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

$$
IAZ048-172200-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
406 AM CST Fri Nov 17 2017

Date             Fri 11/17/17            Sat 11/18/17            Sun 11/19/17
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                      50          35          41          23          44
Temp             38 41 47 50 50 48 45 41 36 35 39 41 35 30 28 24 23 28 40 44 37
Dewpt            34 39 44 46 47 45 41 37 33 29 28 28 25 22 19 18 18 19 23 26 26
RH               85 92 89 86 89 89 86 85 89 78 64 59 66 72 68 77 81 68 50 49 64
Wind dir         SE SE  S  S SE NW  N  N  N NW NW NW NW NW NW NW NW  W  W SW  S
Wind spd         11 13 13  8  6  5 14 17 17 18 19 19 14 12 10  9  8  8  8  9  6
Wind gust                             27 32 32 31 32
Clouds           OV OV OV OV OV OV OV OV OV B2 FW FW FW FW CL CL CL FW FW FW CL
PoP 12hr                     60          70          60           0           0
QPF 12hr                   0.04        0.16        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle             AR AR
Rain                       L           L  L  S
Snow                                      L  S
Wind chill       30 33             39 32 26 24 29 32 26 20 19 15 14 21       31
Min chill        28    30          37    26    24    24    17    13    14    30


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

$$
IAZ004-172200-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
406 AM CST Fri Nov 17 2017

Date             Fri 11/17/17            Sat 11/18/17            Sun 11/19/17
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                      47          29          36          19          41
Temp             36 40 46 47 45 41 37 33 30 30 34 35 28 24 23 21 19 25 37 41 34
Dewpt            32 37 40 41 40 36 32 28 24 22 22 22 19 17 15 14 14 17 21 25 25
RH               85 89 79 79 82 82 82 82 78 72 61 59 68 74 71 74 80 71 52 52 69
Wind dir          S  S  S SW  N  N  N  N NW NW NW NW NW NW NW NW  W  W SW SW SW
Wind spd         19 17 11  6 10 12 16 17 16 17 19 20 16 12 10  9  8  8 11 11  9
Wind gust                                26 29 32 33
Clouds           OV OV OV OV OV OV OV OV B2 FW FW SC FW FW FW CL FW FW FW FW FW
PoP 12hr                     20          40           0           0           0
QPF 12hr                      0        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle                 O
Rain                                C
Snow                                   S
Wind chill       25 31       39 34 28 22 19 18 23 23 16 12 12 10  9 16 29 34 27
Min chill        23    27    38    28    18    17    15    10     8     9    27


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

$$
IAZ035-172200-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
406 AM CST Fri Nov 17 2017

Date             Fri 11/17/17            Sat 11/18/17            Sun 11/19/17
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                      49          32          39          22          44
Temp             38 41 47 49 48 45 41 37 33 33 38 38 33 27 26 24 22 26 39 44 37
Dewpt            33 37 43 45 44 41 37 33 29 25 26 25 22 19 17 16 15 18 23 26 25
RH               82 85 86 86 86 86 85 85 85 72 62 59 63 71 68 71 74 71 52 49 61
Wind dir          S  S  S  S SE  N  N  N  N NW NW NW NW NW NW NW  W  W SW SW  S
Wind spd         14 14 12  6  5  9 12 14 17 17 19 19 16 13 10  8  6  8  9 10  8
Wind gust                                27 29 31 32 26
Clouds           OV OV OV OV OV OV OV OV OV B1 FW FW FW FW FW CL FW FW FW FW CL
PoP 12hr                     50          60          20           0           0
QPF 12hr                   0.02        0.09           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle              O AR AR
Rain                                   L
Snow                                      S
Wind chill       29 33             34 28 22 22 28 28 22 16 16 15 14 18 33 38 31
Min chill        28    29          33    22    21    22    15    14    14    29


Date               Mon 11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17
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    53      29    37      19    36      26    47
Temp          32   31 52 47 39   29 37 30 23   20 35 31 31   28 46 41
Dewpt         26   25 30 31 28   24 19 15 11   11 17 19 19   21 26 29
PWind dir           S    SW       W    NW       N    SW       S    SW
Wind char          GN    GN      GN    GN      LT    LT      GN    GN
Avg clouds    FW   FW FW FW SC   SC FW FW FW   FW FW SC SC   SC SC SC
PoP 12hr            0     0       0     0       0     0       0     0

$$
IAZ094-172200-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
406 AM CST Fri Nov 17 2017

Date             Fri 11/17/17            Sat 11/18/17            Sun 11/19/17
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                      57          38          44          25          46
Temp             43 47 53 56 56 54 50 45 39 37 42 44 38 33 29 25 25 30 41 46 40
Dewpt            36 43 49 52 52 50 47 41 36 33 30 29 27 24 21 20 20 21 24 26 26
RH               76 86 86 86 86 86 89 86 89 85 62 55 64 69 72 81 81 69 50 45 57
Wind dir          S  S  S  S  S  W  N  N  N NW NW NW NW NW NW NW NW  W  W SW  S
Wind spd         12 12 12 11  8  4 10 16 20 19 19 18 14 12  9  8  8  6  8 10  8
Wind gust                                35 33 32 29
Clouds           OV OV OV OV OV OV OV OV OV OV SC FW FW FW CL CL CL FW FW CL CL
PoP 12hr                     50          90          80           0           0
QPF 12hr                   0.06        0.08        0.10           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle           O AR AR AR
Rain                                   C  D  C
Snow                                         C
Wind chill       36                   38 29 27 33 36 30 24 20 16 16 23
Min chill        35    38                29    27    29    20    16    18    33


Date               Mon 11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17
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    55      35    45      24    40      29    49
Temp          35   35 53 51 42   35 45 38 29   25 39 37 33   31 48 44
Dewpt         26   27 31 30 30   28 24 20 16   14 19 20 21   22 28 30
PWind dir           S    SW      SW    NW       N    SW       S    SW
Wind char          GN    BZ      GN    GN      LT    LT      LT    GN
Avg clouds    FW   FW FW FW FW   SC SC FW FW   FW FW SC SC   SC SC SC
PoP 12hr            0     0       0     0       0     0       0     5

$$
IAZ017-172200-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
406 AM CST Fri Nov 17 2017

Date             Fri 11/17/17            Sat 11/18/17            Sun 11/19/17
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                      44          32          36          19          39
Temp             34 38 42 43 44 43 40 36 33 32 35 35 28 25 23 20 19 24 34 39 31
Dewpt            31 36 39 41 41 40 37 34 30 26 25 24 21 19 16 14 12 16 19 23 24
RH               89 92 89 93 89 89 89 92 89 78 66 64 75 78 74 77 74 71 54 52 75
Wind dir         SE  S  S  S SE  N  N  N NW NW NW NW NW NW NW NW NW  W  W SW SW
Wind spd         17 17 13  9  6  8 14 17 17 17 19 20 17 16 12 11 10  9  9 10  8
Wind gust                                27 29 32 33 27
Clouds           OV OV OV OV OV OV OV OV OV B1 FW FW FW FW FW CL FW FW SC FW FW
PoP 12hr                     70          60          10           0           0
QPF 12hr                   0.06        0.06           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle              O AR     O
Rain                       L           L
Snow                                   L
Wind chill       23 29 35          32 26 22 21 24 24 16 12 11  8  7 14 27 32 24
Min chill        21    25    35    31    22    18    16    11     7     9    24


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

$$
IAZ049-172200-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
406 AM CST Fri Nov 17 2017

Date             Fri 11/17/17            Sat 11/18/17            Sun 11/19/17
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                      47          35          40          21          41
Temp             35 38 43 45 47 46 44 40 36 35 37 40 33 27 25 22 21 26 35 41 34
Dewpt            32 35 40 43 45 44 42 38 34 31 28 27 24 22 18 16 15 18 20 24 24
RH               89 89 89 93 93 93 93 92 92 85 70 59 69 81 74 77 77 71 54 50 66
Wind dir         SE SE  S  S SE NW  N  N  N NW NW NW NW NW NW NW NW  W  W SW  S
Wind spd         14 16 14 11  9  4 13 16 17 19 19 19 17 14 11 10  9  9  9 10  8
Wind gust                                32 33 31 31 27
Clouds           OV OV OV OV OV OV OV OV OV B2 SC FW FW FW FW CL CL FW FW FW CL
PoP 12hr                     80          60          60           0           0
QPF 12hr                   0.07        0.17        0.01           0           0
Snow 12hr                 00-00       00-00           T
Drizzle             AR AR     O
Rain                       D           L  L
Snow                                      C  C
Wind chill       26 29 35 39       38 32 26 24 27 31 22 16 14 11 11 17 29 34 27
Min chill        24    25    36    37    26    21    21    14    10    12    26


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

$$
IAZ086-172200-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
406 AM CST Fri Nov 17 2017

Date             Fri 11/17/17            Sat 11/18/17            Sun 11/19/17
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                      52          40          43          24          43
Temp             37 39 45 49 52 52 49 46 41 39 41 43 38 33 30 25 24 29 39 43 35
Dewpt            33 37 43 48 50 50 48 43 39 35 32 29 27 25 21 19 18 19 20 23 24
RH               85 92 93 96 93 93 96 89 92 85 70 57 64 72 69 78 77 66 46 45 64
Wind dir         SE SE  S  S  S  S NW  N  N NW NW NW NW NW NW NW NW NW  W  W  S
Wind spd         13 14 14 14 11  4  9 12 17 20 19 18 16 13 11  9  9  9  9  9  8
Wind gust                                32 35 31 29
Clouds           OV OV OV OV OV OV OV OV OV OV B1 FW FW FW CL CL CL FW FW FW CL
PoP 12hr                     70          90          90           0           0
QPF 12hr                   0.07        0.12        0.15           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle             AR AR    AR
Rain                       L           L  D  L
Wind chill       29 31 38                32 29 32 35 29 23 20 16 14 21 33    28
Min chill        26    29                32    26    28    19    14    16    27


Date               Mon 11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17
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    55      36    44      23    38      28    47
Temp          33   33 54 49 42   36 44 36 27   24 37 34 31   30 46 41
Dewpt         27   27 32 31 31   29 25 20 16   15 18 20 20   22 26 29
PWind dir          SW    SW      SW    NW      NW     W       S     S
Wind char          GN    BZ      GN    GN      GN    LT      LT    GN
Avg clouds    FW   FW FW FW FW   SC SC FW FW   FW FW SC SC   SC SC SC
PoP 12hr            0     0       0     0       0     0       5     5

$$



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