Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
1051 PM CST Tue Nov 21 2017

IAZ060-221000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
1051 PM CST Tue Nov 21 2017

Date           11/21/17      Wed 11/22/17            Thu 11/23/17            Fri
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                      17          41          30          50          39
Temp                   24 21 18 26 36 41 36 33 33 31 30 34 46 50 43 39 40 40 42
Dewpt                  13 12 11 14 13 14 16 18 20 22 25 27 31 32 32 33 35 36 38
RH                     62 68 73 60 38 33 43 53 58 69 81 75 55 50 65 79 82 85 86
Wind dir               NW NW  W SW SW SW  S SW SW  W  W NW NW  W SW  S  S  S  S
Wind spd                5  4  2  4  8  9  8  9  8  6  6  8  6  5  3  5  6  9 10
Clouds                 FW CL CL CL FW B1 B1 SC SC FW CL CL CL 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             17 15       30    30 26 26 24 23 27                34 36
Min chill              16    12    13    28    25    23    24          34    33


Date           11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17
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          63      38    48      28    44      33    52      39    50
Temp          60 54 45   38 48 42 32   29 43 41 35   35 51 48 45   39 50 45
Dewpt         43 37 29   28 29 26 25   24 26 26 27   27 32 33 36   34 35 31
PWind dir        SW      NW    NW      NW    SW      SE     S      SW     W
Wind char        BZ      GN    GN      LT    LT      LT    GN      GN    GN
Avg clouds    SC SC FW   FW FW FW FW   FW FW FW FW   FW FW FW SC   SC B1 B1
PoP 12hr          5       0     0       0     0       0     0       5     5

$$
IAZ039-221000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
1051 PM CST Tue Nov 21 2017

Date           11/21/17      Wed 11/22/17            Thu 11/23/17            Fri
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                      14          37          26          45          33
Temp                   21 18 15 23 33 37 31 31 30 28 27 32 42 45 38 33 35 35 38
Dewpt                  13 12 11 13 14 13 16 18 19 20 22 24 28 29 29 29 31 33 35
RH                     71 77 84 65 45 37 53 58 63 71 81 72 57 53 70 85 85 92 89
Wind dir               NW NW NW  W SW SW  S  S  S SW  W NW NW  W SW  S  S  S  S
Wind spd                8  6  3  4  8 10  8 10  8  6  5  8  6  5  4  5  8  9 11
Clouds                 CL FW CL CL FW B2 B2 B1 B1 FW FW CL CL FW FW FW FW FW FW
PoP 12hr                      0           5           5           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Flurries                                  S
Wind chill             11  9  9 17 25 30 24 22 22 21 20 25             28 28 31
Min chill               9     8     9    23    20    18    20    32    27    27


Date           11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17
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      35    41      24    39      28    46      36    46
Temp          55 50 42   35 41 35 28   25 38 34 31   29 45 41 43   36 46 41
Dewpt         43 39 31   28 26 25 22   21 23 24 24   25 29 32 34   33 35 32
PWind dir        SW       W    NW      NW     W      SE     S       S     W
Wind char        BZ      GN    BZ      LT    LT      LT    GN      GN    GN
Avg clouds    SC SC SC   FW FW FW FW   FW FW FW FW   FW SC SC SC   B1 B1 B1
PoP 12hr         10       0     0       0     0       0     0       5    10

$$
IAZ048-221000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
1051 PM CST Tue Nov 21 2017

Date           11/21/17      Wed 11/22/17            Thu 11/23/17            Fri
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                      16          39          28          47          36
Temp                   22 19 16 24 34 39 34 32 31 29 28 33 43 47 39 36 37 37 39
Dewpt                  12 11 11 13 14 14 17 18 20 22 25 27 30 31 32 32 34 35 38
RH                     65 70 80 62 43 35 49 56 63 75 88 78 60 53 76 85 89 92 96
Wind dir               NW NW  W SW  S  S  S  S SW  W NW NW NW  W  S  S  S  S  S
Wind spd                8  5  3  4  9 10  9  9  8  6  5  8  8  5  4  5  8  9 10
Clouds                 FW CL CL CL FW B1 B1 SC SC FW FW CL CL 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             13 11 10 17 27 32 27 24 24 22 22 25                30 32
Min chill              11     9    10    25    22    21    20    36    30    30


Date           11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17
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          62      36    45      26    42      30    50      37    48
Temp          59 50 44   36 45 38 30   27 41 37 34   31 49 46 44   37 48 43
Dewpt         43 38 29   28 28 26 24   23 26 26 27   27 32 33 35   33 34 31
PWind dir        SW      NW    NW      NW    SW      SE     S      SW     W
Wind char        BZ      GN    GN      LT    LT      LT    GN      GN    GN
Avg clouds    SC SC FW   FW FW FW FW   FW FW FW FW   FW FW SC SC   B1 B1 B1
PoP 12hr          5       0     0       0     0       0     0       5    10

$$
IAZ004-221000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
1051 PM CST Tue Nov 21 2017

Date           11/21/17      Wed 11/22/17            Thu 11/23/17            Fri
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                      12          38          25          45          37
Temp                   17 14 12 19 31 38 34 32 30 28 25 27 40 45 39 37 39 40 41
Dewpt                   9  8  9 11 12 14 16 19 21 24 23 25 27 30 31 34 36 37 37
RH                     70 76 87 70 45 37 47 58 69 85 92 92 59 55 73 89 89 89 85
Wind dir               NW NW SW  S  S  S  S SW  W NW NW NW  W SW  S SW SW SW SW
Wind spd                6  5  4  9 16 17 13 11  9 11  9  8  5  8  8 10 11 12 13
Wind gust                                25
Clouds                 FW CL CL FW B1 B2 B1 SC FW FW FW FW FW FW SC FW SC FW SC
PoP 12hr                      0          10           5           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Flurries                               S
Sprinkles                              S
Wind chill              8  5  4  8 20 29 24 23 21 18 16 19       33 30 32 32 33
Min chill               6     3     3    22    19    15    16    32    30    31


Date           11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17
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          57      32    40      23    39      28    48      33    44
Temp          56 48 41   32 40 33 26   24 38 35 30   30 47 44 41   33 44 37
Dewpt         39 33 26   26 24 24 22   21 23 25 26   26 30 32 32   31 30 28
PWind dir         W      NW    NW      NW    SW       S     S      SW     W
Wind char        BZ      BZ    BZ      LT    GN      GN    GN      GN    BZ
Avg clouds    SC SC FW   FW FW FW FW   FW SC SC FW   SC SC SC B1   B1 B1 B1
PoP 12hr         20       0     0       0     0       0     0       5    20
Rain              S                                                    S
Snow                                                                   S

$$
IAZ035-221000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
1051 PM CST Tue Nov 21 2017

Date           11/21/17      Wed 11/22/17            Thu 11/23/17            Fri
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                      14          38          28          47          38
Temp                   20 18 15 22 32 38 34 32 31 30 28 31 43 47 40 38 39 39 42
Dewpt                  10 10 10 12 13 14 16 18 20 23 25 26 30 31 32 34 36 37 38
RH                     64 70 80 65 45 37 47 56 63 75 88 81 60 53 73 85 89 92 86
Wind dir                N NW SW  S  S  S  S SW SW NW NW NW NW SW  S  S  S  S  S
Wind spd                6  4  3  6 12 13 11 11  8  6  6  8  6  5  5  9  9 11 12
Clouds                 FW CL CL CL FW B1 SC SC FW FW FW FW FW FW FW FW FW FW FW
PoP 12hr                      0           5           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill             11 11  9 13 23 30 26 23 24 23 20 24          32 33 32 35
Min chill              10     8     6    24    22    19    19    35    32    32


Date           11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17
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          61      35    44      25    42      30    49      36    47
Temp          59 51 42   35 44 37 29   26 41 37 33   31 48 46 42   36 47 42
Dewpt         42 35 28   27 26 25 24   22 25 26 26   27 31 32 34   33 32 30
PWind dir        SW      NW    NW      NW    SW       S     S      SW     W
Wind char        BZ      GN    GN      LT    LT      GN    GN      GN    GN
Avg clouds    SC SC FW   FW FW FW FW   FW FW FW FW   FW FW SC SC   B1 B1 B1
PoP 12hr          5       0     0       0     0       0     0       5    20
Rain                                                                   S
Snow                                                                   S

$$
IAZ094-221000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
1051 PM CST Tue Nov 21 2017

Date           11/21/17      Wed 11/22/17            Thu 11/23/17            Fri
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                      18          41          30          52          40
Temp                   24 22 19 26 36 41 34 31 31 30 31 36 48 52 45 40 41 40 41
Dewpt                  13 12 12 13 13 13 17 18 20 21 25 28 33 32 34 34 36 35 37
RH                     62 65 74 57 38 31 49 58 63 69 78 72 56 46 65 79 82 82 85
Wind dir               NW NW NW SW SW SW  S  S SW SW  W NW NW  W SW  S  S  S  S
Wind spd                6  5  4  4  8 10  8 10 10  9  6  8  6  6  4  5  6  9 11
Clouds                 FW CL CL CL CL SC SC SC FW FW CL CL CL 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             16 14 13 20 30 35 27 23 22 22 24 29                34 35
Min chill              14    11    12    26    21    21    24          35    32


Date           11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17
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          63      38    50      29    47      33    53      41    52
Temp          58 53 44   38 50 43 33   30 46 42 36   35 51 50 46   41 52 47
Dewpt         42 37 29   28 29 27 26   25 27 28 29   28 33 34 36   35 35 31
PWind dir        SW      NW    NW      NW    SW      SE     S       S     W
Wind char        BZ      GN    GN      LT    LT      LT    GN      GN    GN
Avg clouds    SC SC FW   FW FW FW FW   FW FW FW FW   FW FW FW SC   SC B1 SC
PoP 12hr          0       0     0       0     0       0     0       5     0

$$
IAZ017-221000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
1051 PM CST Tue Nov 21 2017

Date           11/21/17      Wed 11/22/17            Thu 11/23/17            Fri
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                      14          35          26          44          34
Temp                   18 17 14 21 31 35 31 30 29 27 26 31 40 43 36 34 37 38 39
Dewpt                  11 11 11 13 13 14 16 18 19 21 22 24 27 28 29 31 33 35 36
RH                     73 77 88 71 47 41 53 60 66 78 85 75 59 55 75 89 85 89 89
Wind dir               NW NW  W SW  S  S  S SW SW  W NW NW NW  W  S  S  S  S  S
Wind spd                9  6  4  5 11 12 11 11  9  9  9  9  8  5  5  9 10 11 12
Wind gust                                21
Clouds                 SC CL CL CL SC OV B2 SC SC FW FW FW FW FW FW FW FW FW FW
PoP 12hr                      0          10          10           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Flurries                               S  S
Sprinkles                              S
Wind chill              7  8  7 13 22 27 22 20 20 18 17 23          27 30 31 31
Min chill               6     5     6    21    20    17    18    30    27    29


Date           11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17
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          57      33    39      23    38      27    45      34    44
Temp          56 48 40   33 39 32 27   24 37 33 31   28 44 40 40   34 44 38
Dewpt         42 37 28   26 25 23 22   21 23 25 24   25 29 32 33   32 33 31
PWind dir        SW      NW    NW      NW     W       S     S      SW     W
Wind char        BZ      BZ    BZ      GN    LT      GN    GN      GN    GN
Avg clouds    SC SC FW   FW FW FW FW   FW FW FW FW   FW SC SC B1   B1 B1 B1
PoP 12hr         20       0     0       0     0       0     0       5    30
Rain              S                                                    C
Snow                                                                   C

$$
IAZ049-221000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
1051 PM CST Tue Nov 21 2017

Date           11/21/17      Wed 11/22/17            Thu 11/23/17            Fri
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                      14          38          27          46          35
Temp                   19 17 14 22 33 38 31 31 30 27 27 32 42 46 38 35 37 37 39
Dewpt                  12 11 10 13 14 13 16 18 19 20 23 25 29 30 30 30 32 34 36
RH                     74 77 84 68 45 35 53 58 63 74 85 75 60 53 73 82 82 89 89
Wind dir               NW NW  W SW SW SW  S  S SW  W  W NW NW  W SW  S  S  S  S
Wind spd                6  5  3  4  9 10  9 10  8  6  6  9  8  6  4  5  8 10 12
Clouds                 FW FW CL CL FW B1 B2 B1 SC FW FW CL CL 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             10  9       25 31 23 22 22 20 20 25             31 30 32
Min chill               9     8     9    23    21    20    20    34    29    30


Date           11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17
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          59      35    43      25    40      28    48      36    47
Temp          56 50 42   35 43 36 29   26 40 34 31   30 47 43 43   36 47 42
Dewpt         42 37 30   28 27 24 23   22 24 25 25   26 30 32 34   33 35 31
PWind dir        SW      NW    NW      NW     W      SE     S       S     W
Wind char        BZ      GN    GN      GN    LT      LT    GN      GN    GN
Avg clouds    SC SC FW   FW FW FW FW   FW FW FW FW   FW SC SC SC   B1 B1 B1
PoP 12hr          5       0     0       0     0       0     0       5    10

$$
IAZ086-221000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
1051 PM CST Tue Nov 21 2017

Date           11/21/17      Wed 11/22/17            Thu 11/23/17            Fri
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                      18          41          28          49          36
Temp                   23 21 18 26 36 41 31 31 31 29 28 34 45 49 41 36 36 36 39
Dewpt                  14 13 12 14 14 13 16 17 19 21 23 25 30 31 31 30 33 33 35
RH                     68 71 77 60 40 31 53 56 61 72 81 69 55 50 67 79 89 89 85
Wind dir               NW NW NW  W SW SW  S  S  S SW  W NW NW NW  W SW  S  S  S
Wind spd                8  6  4  4  6  9  6  9 10  8  8  9  9  6  4  5  6  9 11
Clouds                 CL FW CL CL CL SC B1 B1 SC FW FW CL CL CL 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             14 13 11 20 30 35 24 23 22 21 20 27             30 29 32
Min chill              12    10    11    23    21    20    21    37    29    28


Date           11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17
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          61      38    47      28    43      31    50      39    51
Temp          57 53 44   38 47 40 32   29 42 39 34   33 49 46 45   39 51 45
Dewpt         42 39 31   29 28 26 25   23 25 25 27   27 31 32 34   35 37 32
PWind dir        SW       W    NW      NW    NW      SE     S       S     W
Wind char        BZ      GN    GN      GN    LT      LT    GN      GN    GN
Avg clouds    FW SC FW   FW FW FW FW   FW FW FW FW   FW FW FW SC   SC B1 B1
PoP 12hr          5       0     0       0     0       0     0       5     5

$$



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