Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
651 PM CST Thu Nov 16 2017

IAZ060-171000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
651 PM CST Thu Nov 16 2017

Date           11/16/17      Fri 11/17/17            Sat 11/18/17            Sun
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                      34          52          36          44          23
Temp                34 36 41 43 45 50 52 52 53 49 44 38 36 42 44 38 31 27 24 24
Dewpt               28 29 31 37 41 46 49 50 49 45 40 35 30 29 28 24 22 18 16 16
RH                  78 75 67 79 86 86 89 93 86 86 86 89 79 60 53 57 69 68 71 71
Wind dir            SE SE SE  S  S  S  S  S NW  N  N NW NW NW NW NW NW NW NW NW
Wind spd            10  9 13 13 13 13 11  5  4  9 13 16 17 18 18 16 11  9  8  8
Wind gust                                         27 29 31 32 31 28
Clouds              SC B1 OV OV OV OV OV OV OV OV OV OV B2 FW FW FW FW CL CL CL
PoP 12hr                     10          30          80          40           0
QPF 12hr                      0           0        0.15        0.02           0
Snow 12hr                 00-00       00-00       00-00
Drizzle                       C  C  C  C
Rain                                      C  C  D  D  C  C
Snow                                                     C
Wind chill          27 29 33 35 39                37 29 26 33 36 29 22 19 15 15
Min chill        27    26    30    36                28    24    28    18    14


Date           11/19/17  Mon 11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17
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          44      33    55      34    41      24    38      28    46
Temp          38 38 35   35 54 50 43   34 41 36 28   25 37 35 30   30 45 41
Dewpt         20 24 26   26 31 31 30   26 21 17 15   14 18 19 20   22 27 28
PWind dir         W       S    SW      SW    NW      NW     S       S    SW
Wind char        LT      GN    GN      GN    GN      LT    LT      LT    GN
Avg clouds    FW FW FW   FW FW FW SC   SC FW FW FW   SC SC SC SC   SC SC SC
PoP 12hr          0       0     0       0     0       0     5       5     5

$$
IAZ039-171000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
651 PM CST Thu Nov 16 2017

Date           11/16/17      Fri 11/17/17            Sat 11/18/17            Sun
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                      32          45          35          39          20
Temp                33 33 34 37 38 42 44 45 47 45 42 38 35 39 37 32 27 25 22 20
Dewpt               29 29 30 32 35 39 42 44 44 43 39 36 31 29 26 23 20 16 14 13
RH                  85 85 85 82 89 89 93 96 89 93 89 92 85 67 64 69 74 68 71 74
Wind dir            SE SE SE  S  S  S SE  S NE  N  N NW NW NW NW NW NW NW NW NW
Wind spd            11 12 16 17 17 14 12  6  4  6 12 16 17 18 19 17 14 12 10  9
Wind gust                                         24 28 29 31 31 29 27 24
Clouds              B2 B1 B2 OV OV OV OV OV OV OV OV OV B2 SC FW FW FW FW FW FW
PoP 12hr                     10          50          70          40           0
QPF 12hr                      0        0.01        0.16        0.02           0
Snow 12hr                 00-00       00-00       00-00
Drizzle                       S  S  C  C
Rain                                      C  C  L  L  C  C
Snow                                                     C
Wind chill          24 24 24 27 29 35 38          36 29 25 30 27 21 14 14 10  9
Min chill        25    22    22    27    35          28    24    18    11     8


Date           11/19/17  Mon 11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17
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          38      28    51      31    37      21    34      25    41
Temp          33 31 29   30 50 45 40   31 37 30 25   22 33 30 28   26 40 35
Dewpt         17 22 25   25 31 32 30   25 21 18 16   14 18 19 19   20 25 27
PWind dir         W       S    SW      SW    NW      NW     W       S    SW
Wind char        GN      LT    GN      GN    GN      GN    LT      LT    GN
Avg clouds    FW FW FW   FW FW FW SC   SC FW FW FW   SC SC SC B1   B1 SC SC
PoP 12hr          0       0     0       0     0       0     5      10     5

$$
IAZ048-171000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
651 PM CST Thu Nov 16 2017

Date           11/16/17      Fri 11/17/17            Sat 11/18/17            Sun
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                      31          50          35          42          22
Temp                32 34 37 40 43 47 50 50 48 46 42 37 35 41 40 34 29 26 23 22
Dewpt               28 29 30 35 40 45 48 48 47 43 38 34 29 29 27 24 21 18 15 15
RH                  85 82 75 82 89 93 93 93 96 89 86 89 78 62 59 66 72 71 71 74
Wind dir            SE SE SE  S  S  S  S  S NW  N  N NW NW NW NW NW NW NW NW NW
Wind spd            11 11 12 13 13 13 10  5  5 10 14 17 18 19 19 16 11 10  8  8
Wind gust                                         28 29 31 33 31 28 24
Clouds              SC B1 OV OV OV OV OV OV OV OV OV OV B1 FW FW FW FW CL CL CL
PoP 12hr                     10          30          80          30           0
QPF 12hr                      0           0        0.14           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle                       S  S  C  C
Rain                                      C  C  D  D  C  C
Snow                                                  C  C
Wind chill          24 25 29 33 36                34 27 24 32 31 24 19 16 14 13
Min chill        24    22    26    33                26    23    23    15    12


Date           11/19/17  Mon 11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17
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          42      30    54      32    39      21    36      26    44
Temp          36 35 33   32 53 49 42   32 39 32 26   22 35 32 29   27 43 39
Dewpt         20 25 26   26 31 31 30   25 21 17 15   14 18 19 20   22 27 28
PWind dir         W       S    SW       W    NW      NW     S       S    SW
Wind char        GN      LT    GN      GN    GN      GN    LT      LT    GN
Avg clouds    FW FW FW   FW FW FW SC   SC FW FW SC   SC SC SC SC   SC SC SC
PoP 12hr          0       0     0       0     0       0     5       5     5

$$
IAZ004-171000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
651 PM CST Thu Nov 16 2017

Date           11/16/17      Fri 11/17/17            Sat 11/18/17            Sun
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                      29          46          27          36          18
Temp                31 32 36 38 42 46 45 45 40 36 32 28 28 35 34 28 24 22 20 18
Dewpt               27 28 30 34 39 42 42 41 37 33 29 25 23 22 21 18 14 13 11 12
RH                  85 85 79 85 89 86 89 86 89 89 88 88 81 59 58 66 65 68 67 77
Wind dir             S  S  S  S  S  S  N  N  N  N  N NW NW NW NW NW NW NW NW  W
Wind spd            18 18 21 19 16 12  8  8 11 13 17 16 18 21 21 17 13 10  9  9
Wind gust                                      25    26 29 33 32 27 24
Clouds              B1 B1 B1 OV OV OV OV OV OV OV OV B2 FW FW FW FW FW FW CL FW
PoP 12hr                     10          20          40           5           0
QPF 12hr                      0           0        0.05           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle                       S  S  S  S
Rain                                      C  C  C
Snow                                            C  C
Obvis                        PF PF
Wind chill          19 20 24 28 34          33 27 21 16 15 23 22 16 12 11  9  7
Min chill        15    17    21    30    37    27    15    14    16     9     7


Date           11/19/17  Mon 11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17
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          40      28    50      25    32      16    33      23    42
Temp          36 35 31   30 49 44 37   25 32 26 21   17 32 30 30   24 41 34
Dewpt         19 24 25   23 28 28 25   20 15 13 11   11 14 17 18   19 24 26
PWind dir        SW      SW    SW       W    NW      NW    SW       S    SW
Wind char        GN      GN    GN      GN    BZ      GN    GN      GN    GN
Avg clouds    FW FW FW   FW FW SC SC   SC FW FW SC   SC SC SC B1   B1 SC SC
PoP 12hr          0       0     0       0     0       0     5       5     0

$$
IAZ035-171000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
651 PM CST Thu Nov 16 2017

Date           11/16/17      Fri 11/17/17            Sat 11/18/17            Sun
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                      31          49          31          40          21
Temp                33 34 38 40 43 47 49 49 44 42 37 32 32 39 39 33 27 25 22 21
Dewpt               27 28 30 34 39 44 46 44 43 39 34 30 26 26 24 20 18 15 13 14
RH                  78 78 73 79 86 89 89 83 96 89 89 92 78 59 54 58 68 65 68 74
Wind dir            SE  S  S  S  S  S  S  N  N  N  N NW NW NW NW NW NW NW NW  W
Wind spd            14 14 16 17 14 12  9  5  8 11 14 13 16 18 19 13 12  9  8  6
Wind gust                                      21 27 26 28 31 31 27 24
Clouds              SC B2 B2 OV OV OV OV OV OV OV OV B2 SC FW FW FW FW FW CL FW
PoP 12hr                     10          30          70          10           0
QPF 12hr                      0           0        0.12           0           0
Snow 12hr                 00-00       00-00           T
Drizzle                       S  S  S  C
Rain                                      C  C  L  L
Wind chill          23 25 29 31 36             36 28 22 21 30 29 24 16 16 13 12
Min chill        19    20    25    31          35    22    20    23    14    11


Date           11/19/17  Mon 11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17
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          43      30    53      29    37      20    35      25    44
Temp          37 37 34   31 52 48 40   29 37 31 24   21 34 30 29   26 43 38
Dewpt         20 24 25   24 30 30 28   23 18 15 13   12 16 18 19   21 25 27
PWind dir         W       S    SW       W    NW      NW    SW       S    SW
Wind char        GN      GN    GN      GN    GN      LT    LT      GN    GN
Avg clouds    FW FW FW   FW FW FW SC   SC FW FW SC   SC SC SC SC   SC SC SC
PoP 12hr          0       0     0       0     0       0     0       5     0

$$
IAZ094-171000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
651 PM CST Thu Nov 16 2017

Date           11/16/17      Fri 11/17/17            Sat 11/18/17            Sun
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          57          38          45          25
Temp                37 38 41 45 48 54 57 57 54 51 46 40 38 43 45 39 33 30 26 25
Dewpt               28 30 33 40 44 49 52 52 51 49 43 37 33 31 28 25 22 20 18 17
RH                  70 73 73 82 86 83 83 83 90 93 89 89 82 62 51 57 63 66 71 71
Wind dir            SE SE SE  S  S  S  S  S SW NW  N  N NW NW NW NW NW NW NW NW
Wind spd            10 11 11 12 12 14 11  6  5  6 16 19 19 20 19 14 12  9  8  8
Wind gust                                         28 33 32 32 29
Clouds              SC B2 OV OV OV OV OV OV B2 B2 OV OV B2 FW FW FW FW CL CL CL
PoP 12hr                     20          30          80          50           0
QPF 12hr                      0        0.01        0.09        0.08           0
Snow 12hr                 00-00       00-00       00-00
Drizzle                       C  C  C  S
Rain                                      S  S  D  D  C  C
Wind chill          30 31 34 39                   39 30 28 34 37 31 24 21 17 16
Min chill        33    29    31    39                29    27    29    19    15


Date           11/19/17  Mon 11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17
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          45      34    55      35    45      25    40      29    47
Temp          41 40 36   36 54 50 42   35 45 39 30   26 39 36 31   31 46 41
Dewpt         22 25 26   26 31 30 30   27 22 18 17   15 20 21 22   24 28 29
PWind dir         W       S    SW      SW    NW       N     E       S    SW
Wind char        GN      GN    BZ      GN    GN      LT    LT      LT    GN
Avg clouds    FW FW FW   FW FW FW SC   SC SC FW SC   SC SC SC SC   SC SC SC
PoP 12hr          0       0     0       0     0       0     5       5     5

$$
IAZ017-171000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
651 PM CST Thu Nov 16 2017

Date           11/16/17      Fri 11/17/17            Sat 11/18/17            Sun
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                      31          46          31          36          18
Temp                31 31 34 37 40 45 46 46 45 43 38 34 31 35 34 27 24 21 20 18
Dewpt               28 28 29 32 36 40 43 42 41 39 35 31 26 25 23 20 17 14 12 11
RH                  88 88 82 82 85 82 89 86 86 86 89 89 81 66 64 74 74 74 71 73
Wind dir            SE SE SE  S  S  S  S  S  N  N  N NW NW NW NW NW NW NW NW NW
Wind spd            14 14 17 18 17 14 10  5  6 11 16 17 18 20 20 18 16 13 11 10
Wind gust                                         26 27 29 32 32 29 26
Clouds              B1 B2 OV OV OV OV OV OV OV OV OV OV B1 FW FW FW FW FW CL FW
PoP 12hr                     10          50          60          10           0
QPF 12hr                      0        0.01        0.17           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle                       S  S  C  C
Rain                                      C  C  L  L
Wind chill          21 21 23 27 31 38          37 29 23 19 24 22 14 11  9  8  6
Min chill        19    20    21    27    39    34    22    18    14     8     5


Date           11/19/17  Mon 11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17
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          37      27    50      27    33      18    32      23    40
Temp          33 29 29   29 49 44 37   27 33 26 22   19 31 28 28   24 39 32
Dewpt         17 22 25   25 30 30 28   22 18 15 13   12 16 18 18   20 24 26
PWind dir         W       S    SW       W    NW      NW     W       S    SW
Wind char        GN      GN    GN      GN    BZ      GN    LT      GN    GN
Avg clouds    FW FW FW   FW FW FW SC   SC FW FW SC   SC SC SC B1   B1 SC SC
PoP 12hr          0       0     0       0     0       0     0       5     0

$$
IAZ049-171000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
651 PM CST Thu Nov 16 2017

Date           11/16/17      Fri 11/17/17            Sat 11/18/17            Sun
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                      31          47          34          41          21
Temp                31 32 36 38 41 45 47 47 48 47 42 37 34 39 40 33 27 25 22 21
Dewpt               28 29 30 33 37 42 45 46 45 44 39 35 30 28 26 23 20 17 14 14
RH                  88 88 79 82 85 89 93 96 89 89 89 92 85 64 57 66 74 71 71 74
Wind dir            SE SE SE SE  S  S SE  S  W  N  N NW NW NW NW NW NW NW NW NW
Wind spd            12 13 16 17 17 16 12  6  4  9 14 18 19 20 20 18 14 11 10  9
Wind gust                                         26 31 32 33 33 31 26 21
Clouds              B1 B1 B2 OV OV OV OV OV OV OV OV OV B2 SC FW FW FW FW CL CL
PoP 12hr                     10          40          80          40           0
QPF 12hr                      0        0.01        0.17        0.01           0
Snow 12hr                 00-00       00-00       00-00
Drizzle                       S  S  C  C
Rain                                      C  C  D  D  C
Snow                                                     C
Wind chill          21 23 26 29 32 38             34 27 23 29 30 22 15 14 11 11
Min chill        25    21    23    30    38          27    21    20    12     9


Date           11/19/17  Mon 11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17
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          39      29    52      31    37      20    34      25    42
Temp          35 33 31   31 51 46 40   31 37 30 24   21 33 29 28   26 41 37
Dewpt         18 23 25   25 31 31 30   26 21 17 15   14 18 19 19   21 25 27
PWind dir         W       S    SW      SW    NW      NW     N       S    SW
Wind char        GN      GN    GN      GN    GN      GN    LT      LT    GN
Avg clouds    FW FW FW   FW FW FW SC   SC FW FW FW   SC SC SC B1   B1 SC SC
PoP 12hr          0       0     0       0     0       0     5       5     5

$$
IAZ086-171000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
651 PM CST Thu Nov 16 2017

Date           11/16/17      Fri 11/17/17            Sat 11/18/17            Sun
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          51          40          44          23
Temp                33 34 37 40 42 47 49 51 54 51 47 43 39 42 44 38 31 28 24 23
Dewpt               28 29 30 34 38 44 48 50 50 49 45 40 34 31 29 26 24 20 17 16
RH                  82 82 75 79 86 89 96 96 86 93 93 89 82 65 55 62 75 71 74 74
Wind dir            SE SE SE  S  S  S  S  S  S NW  N NW NW NW NW NW NW NW NW NW
Wind spd            10 11 13 14 14 16 14  8  5  5 12 18 19 20 19 16 14 11  9  9
Wind gust                                            32 32 33 32 27 26
Clouds              SC B1 B2 OV OV OV OV OV OV OV OV OV B2 B1 FW FW FW FW CL CL
PoP 12hr                     20          50          80          70           0
QPF 12hr                      0        0.02        0.15        0.12           0
Snow 12hr                 00-00       00-00       00-00
Drizzle                       S  S  C  C
Rain                                      C  C  D  D  L  L
Wind chill          25 26 28 32 34                   35 30 33 36 29 21 18 14 13
Min chill        25    24    26    32                33    29    26    17    12


Date           11/19/17  Mon 11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17
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          42      31    55      35    44      24    38      27    45
Temp          37 35 32   34 54 49 43   35 44 36 29   24 37 33 29   29 44 40
Dewpt         18 23 25   26 32 31 30   28 24 19 17   16 19 20 21   23 27 28
PWind dir         W       S    SW      SW    NW      NW     W       S    SW
Wind char        GN      GN    BZ      GN    GN      GN    LT      LT    GN
Avg clouds    FW FW FW   FW FW FW FW   SC SC FW FW   SC SC SC SC   SC SC SC
PoP 12hr          0       0     0       0     0       0     5       5     0

$$



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