Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
907 PM CST Sat Feb 24 2018

IAZ060-251000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
907 PM CST Sat Feb 24 2018

Date           02/24/18      Sun 02/25/18            Mon 02/26/18            Tue
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                      23          43          24          52          32
Temp                   28 25 23 28 39 43 35 28 25 24 24 31 47 52 45 34 35 33 33
Dewpt                  24 22 20 21 24 26 25 24 21 21 20 25 29 30 29 28 28 29 29
RH                     85 88 88 75 54 51 66 85 84 88 84 78 49 43 53 78 75 85 85
Wind dir                W  W  W  W  W SW SW SW SW SW SW SW SW  S  S  S  S  S  S
Wind spd               11 13 11 11 11 10  6  5  4  4  4  5  9  9  8  6  8  6  6
Clouds                 SC FW CL FW SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                   0.02           0           0           0           0
Snow 12hr                     T       00-00       00-00
Rain
Snow
Wind chill             18 13 12 18 32 37 29    19 18 17 25          28 28 27 27
Min chill              17    11    12    28    18    16    17    39    26    26


Date           02/27/18  Wed 02/28/18  Thu 03/01/18  Fri 03/02/18  Sat 03/03/18
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    50      31    42      25    46      27    50
Temp          53 48 35   34 48 47 35   32 42 39 29   26 44 41 30   30 48 47
Dewpt         38 37 32   30 37 37 32   28 27 26 23   20 25 25 22   22 29 30
PWind dir         S       N    NE       N    NW      NW     N       E    SE
Wind char        GN      LT    LT      GN    BZ      GN    LT      LT    GN
Avg clouds    SC B1 B1   B1 B1 B2 B2   B2 B1 SC SC   SC SC SC SC   FW FW FW
PoP 12hr         10      20    60      70    10       5     0       5     0
Rain                 S       S  L  L
Snow                         S          C

$$
IAZ039-251000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
907 PM CST Sat Feb 24 2018

Date           02/24/18      Sun 02/25/18            Mon 02/26/18            Tue
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                      21          36          19          45          28
Temp                   27 24 21 24 33 36 31 26 21 20 19 26 41 45 41 32 31 29 28
Dewpt                  24 21 19 20 24 26 25 23 20 20 18 23 28 32 29 28 27 27 27
RH                     88 88 92 84 69 67 78 88 96100 96 88 59 60 62 85 85 92 96
Wind dir                W  W  W  W  W  W SW SW SW  S  S  S  S  S  S  S  S  S  S
Wind spd               16 17 13 13 14 12  8  6  5  3  4  5  9  8  8  8  8  8  6
Wind gust                    24
Clouds                 B1 B1 FW FW FW FW SC FW FW FW FW FW FW FW FW FW FW FW SC
PoP 12hr                     30           0           0           0           0
QPF 12hr                   0.09           0           0           0           0
Snow 12hr                     1       00-00       00-00
Rain
Snow
Wind chill             15 10  8 12 23 28 23 18 14    12 19 35    35 24 23 21 21
Min chill              14     7     7    22    12    11    12    32    19    19


Date           02/27/18  Wed 02/28/18  Thu 03/01/18  Fri 03/02/18  Sat 03/03/18
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          49      29    47      30    40      22    41      23    44
Temp          47 44 33   30 45 44 35   30 40 36 28   23 39 37 27   25 42 40
Dewpt         35 35 31   28 35 37 33   29 30 28 24   20 25 25 22   20 27 29
PWind dir         S       N    NE      NE    NW      NW     N      NE    SE
Wind char        LT      LT    LT      GN    BZ      GN    GN      LT    GN
Avg clouds    SC B1 B1   B1 B1 B2 B2   B2 B2 B1 B1   SC SC SC SC   SC FW FW
PoP 12hr         10      30    40      80    40      20     0       0     0
Rain                 C          C  D    L  C  S  S
Snow                 C                  L  C     S

$$
IAZ048-251000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
907 PM CST Sat Feb 24 2018

Date           02/24/18      Sun 02/25/18            Mon 02/26/18            Tue
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                      20          39          21          48          29
Temp                   27 23 20 25 35 39 31 27 23 22 21 28 43 48 41 33 32 30 30
Dewpt                  24 21 18 20 24 26 25 24 22 20 19 23 28 32 30 29 28 27 28
RH                     88 92 92 81 64 59 78 88 96 92 92 81 55 54 65 85 85 88 92
Wind dir                W  W  W  W  W  W SW SW SW SW  S SW SW  S  S  S  S  S  S
Wind spd               13 16 12 11 12 10  8  5  4  3  4  5  9  9  9  8  8  6  6
Clouds                 B1 SC FW CL FW SC SC FW FW FW FW FW FW FW FW FW FW FW FW
PoP 12hr                     10           0           0           0           0
QPF 12hr                   0.04           0           0           0           0
Snow 12hr                     T       00-00       00-00
Rain
Snow
Wind chill             16 10  8 14 26 32 24 20 17    15 21       35 26 24 23 23
Min chill              14     6     7    24    16    13    15    35    23    22


Date           02/27/18  Wed 02/28/18  Thu 03/01/18  Fri 03/02/18  Sat 03/03/18
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      29    45      29    41      23    43      24    46
Temp          49 43 32   30 43 42 32   29 40 37 28   24 41 39 27   27 44 43
Dewpt         36 35 31   28 34 34 30   26 27 27 23   20 24 25 22   21 28 29
PWind dir         S       N    NE       N    NW      NW     N       E    SE
Wind char        LT      LT    LT      GN    BZ      GN    LT      LT    GN
Avg clouds    SC B1 B1   B1 B1 B2 B2   B2 B1 B1 SC   SC SC SC SC   SC FW FW
PoP 12hr         10      20    50      60    10      10     0       5     0
Rain                 S          C  L
Snow                 S             L    C

$$
IAZ004-251000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
907 PM CST Sat Feb 24 2018

Date           02/24/18      Sun 02/25/18            Mon 02/26/18            Tue
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                      15          30          15          37          21
Temp                   18 16 15 18 25 30 24 20 15 15 15 21 31 37 32 28 24 24 21
Dewpt                  16 15 13 14 20 24 20 18 15 15 14 18 25 30 28 28 23 24 21
RH                     92 96 92 84 81 78 84 92100100 96 88 78 75 85100 96100100
Wind dir                W  W  W  W  W  W SW SW SW SW SW SW SW  S  S  S SW SW  W
Wind spd               18 18 16 16 16 14 11 10  9  8  9  9 12 11 12 11 10  6  5
Wind gust                       26
Clouds                 B2 SC FW CL FW FW FW FW FW FW FW FW FW FW SC FW SC SC SC
PoP 12hr                      5           0           0           0           0
QPF 12hr                   0.03           0           0           0           0
Snow 12hr                     T       00-00       00-00
Snow
Obvis                     BS
Wind chill              2  0 -1  3 12 19 13  8  3  4  3 11 22 30 23 18 14 16 13
Min chill               2    -1    -1    13     2     2     4    21    14    13


Date           02/27/18  Wed 02/28/18  Thu 03/01/18  Fri 03/02/18  Sat 03/03/18
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          35      17    33      21    32      15    33      18    37
Temp          30 30 20   18 31 32 26   21 30 30 19   17 31 29 19   21 34 36
Dewpt         27 25 19   16 25 26 24   20 24 22 16   14 22 21 16   16 25 27
PWind dir         N       N    NE       N    NW       N    NE       E    SE
Wind char        LT      LT    GN      GN    BZ      GN    GN      GN    GN
Avg clouds    SC SC B1   B1 B1 B2 B2   B2 B1 B1 SC   SC SC SC SC   SC SC SC
PoP 12hr          0       5    40      50    20      10     0       5     0
Snow                            C  C    S  S  S

$$
IAZ035-251000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
907 PM CST Sat Feb 24 2018

Date           02/24/18      Sun 02/25/18            Mon 02/26/18            Tue
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          34          16          42          26
Temp                   24 20 18 21 29 34 26 21 18 17 16 23 37 42 36 32 31 28 26
Dewpt                  20 18 15 18 23 26 22 19 17 16 15 21 29 32 30 28 27 26 24
RH                     84 92 88 88 78 72 85 92 96 96 96 92 72 67 79 85 85 92 92
Wind dir                W  W  W SW  W SW SW SW SW SW  S  S SW  S  S  S  S  S  S
Wind spd               13 14 12 12 12 11  8  6  5  5  5  6 10  9 10  9  9  8  4
Clouds                 B1 SC FW CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC
PoP 12hr                      5           0           0           0           0
QPF 12hr                   0.03           0           0           0           0
Snow 12hr                     T       00-00       00-00
Rain
Snow
Wind chill             12  6  5  9 19 26 18 12  9  8  7 15 30 36 29 24 22 20 20
Min chill              11     3     5    16     7     6     9    28    22    18


Date           02/27/18  Wed 02/28/18  Thu 03/01/18  Fri 03/02/18  Sat 03/03/18
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      22    40      24    37      19    38      21    43
Temp          41 37 26   24 39 37 30   24 36 34 25   20 36 34 24   23 40 40
Dewpt         33 31 24   21 31 31 27   23 26 25 20   16 24 24 20   18 28 29
PWind dir        SE       N    NE       N    NW      NW    NE       E    SE
Wind char        LT      LT    LT      GN    BZ      GN    LT      LT    GN
Avg clouds    SC B1 SC   SC B1 B2 B2   B2 B1 B1 SC   SC SC SC SC   SC FW FW
PoP 12hr          5       5    50      60    10      10     0       5     0
Rain                            C  L
Snow                               L    C

$$
IAZ094-251000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
907 PM CST Sat Feb 24 2018

Date           02/24/18      Sun 02/25/18            Mon 02/26/18            Tue
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                      23          45          26          53          34
Temp                   28 25 23 29 41 44 36 31 28 27 26 34 50 52 48 37 35 34 35
Dewpt                  25 23 20 22 23 25 25 25 23 23 21 26 28 29 30 30 29 30 30
RH                     88 92 88 75 48 47 64 78 81 85 81 72 42 41 49 75 78 85 82
Wind dir                W  W  W  W SW SW SW SW SW SW SW SW SW  S  S  S  S  S  S
Wind spd               12 12 10 11 11 12  6  5  5  4  5  6  9 10  8  8  8  9 10
Clouds                 SC FW CL FW SC B1 B1 FW CL CL CL CL CL CL CL CL FW FW FW
PoP 12hr                      0           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain
Wind chill             17 14 13 20 35 38    25 22 21 19             31 28 27 27
Min chill              16    12    14    30    22    19    20          27    25


Date           02/27/18  Wed 02/28/18  Thu 03/01/18  Fri 03/02/18  Sat 03/03/18
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      36    54      33    46      26    48      28    52
Temp          55 53 41   37 51 52 37   34 44 43 31   28 46 44 31   30 49 48
Dewpt         39 39 36   34 40 41 33   28 27 26 23   21 25 26 24   23 30 30
PWind dir         S       W     E       N    NW      NW    NE       E    SE
Wind char        GN      LT    LT      GN    BZ      GN    GN      LT    GN
Avg clouds    FW SC B1   B1 B1 B2 B2   B1 B1 SC SC   FW FW SC FW   FW FW FW
PoP 12hr          5      30    60      70    10       5     0       5     0
Rain                 C       C  L  L    C
Snow                                    C

$$
IAZ017-251000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
907 PM CST Sat Feb 24 2018

Date           02/24/18      Sun 02/25/18            Mon 02/26/18            Tue
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          31          14          39          23
Temp                   23 20 18 20 27 31 25 21 17 16 14 23 33 39 33 30 27 27 23
Dewpt                  20 18 16 17 22 25 23 20 17 16 14 21 27 31 29 29 25 27 23
RH                     88 92 92 88 81 78 92 96100100100 92 78 73 85 96 92100100
Wind dir                W  W  W  W  W  W SW SW SW SW  S  S  S  S  S  S SW SW  S
Wind spd               17 19 16 14 14 13 10  9  8  5  6  8 10 10 10 10 10  6  6
Clouds                 B2 B1 FW FW FW FW FW FW FW FW FW FW FW FW SC FW FW FW SC
PoP 12hr                     30           0           0           0           0
QPF 12hr                   0.07           0           0           0           0
Snow 12hr                     1       00-00       00-00
Frzg rain
Rain
Snow
Obvis                     BS
Wind chill              9  5  3  6 15 22 15 11  7  8  4 14 25 32 25 21 17 20 15
Min chill               9     1     2    15     5     4     6    25    17    15


Date           02/27/18  Wed 02/28/18  Thu 03/01/18  Fri 03/02/18  Sat 03/03/18
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      21    38      26    36      18    35      20    39
Temp          37 35 26   22 36 36 30   26 35 32 25   18 34 31 23   22 37 36
Dewpt         32 29 24   21 31 31 28   25 28 26 21   16 24 23 19   18 26 27
PWind dir        SE       N    NE       N    NW      NW     N       E    SE
Wind char        LT      LT    GN      GN    BZ      GN    GN      GN    GN
Avg clouds    SC B1 B1   SC B1 B2 B2   B2 B2 B1 B1   SC SC SC SC   SC FW SC
PoP 12hr          5       5    40      60    30      10     0       0     0
Rain                            C  L          S
Snow                            C  L    C  C  S

$$
IAZ049-251000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
907 PM CST Sat Feb 24 2018

Date           02/24/18      Sun 02/25/18            Mon 02/26/18            Tue
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                      21          38          20          48          29
Temp                   27 24 21 25 35 38 31 25 23 20 20 27 43 47 40 31 31 29 29
Dewpt                  24 22 20 20 23 25 25 24 22 20 19 24 28 31 30 29 28 28 28
RH                     88 92 96 81 61 59 78 96 96100 96 88 55 53 67 92 88 96 96
Wind dir                W  W  W  W  W  W SW SW SW SW  S SW SW  S  S  S  S  S  S
Wind spd               16 18 13 13 14 12  8  5  5  4  4  6 10 10  9  8  9  6  8
Clouds                 B1 SC FW CL FW FW SC FW FW FW FW FW FW FW FW FW FW FW FW
PoP 12hr                     10           0           0           0           0
QPF 12hr                   0.06           0           0           0           0
Snow 12hr                     1       00-00       00-00
Rain
Snow
Wind chill             15 10  8 14 25 30 23 18 16 13 14 20       34 25 23 22 21
Min chill              14     7     8    22    15    13    13    33    22    20


Date           02/27/18  Wed 02/28/18  Thu 03/01/18  Fri 03/02/18  Sat 03/03/18
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      29    46      29    40      22    41      24    45
Temp          49 44 33   30 44 44 34   30 40 34 27   23 40 36 27   26 43 40
Dewpt         37 36 32   29 35 37 32   28 29 27 23   20 24 25 22   20 29 29
PWind dir         S       N    NE       N    NW      NW     N       E    SE
Wind char        GN      LT    LT      GN    BZ      GN    GN      LT    GN
Avg clouds    FW B1 B1   B1 B1 B2 B2   B2 B1 B1 SC   SC SC SC SC   SC FW FW
PoP 12hr         10      30    50      80    20      20     0       5     0
Rain                 C          C  D       S
Snow                 C             D    C  S     S

$$
IAZ086-251000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
907 PM CST Sat Feb 24 2018

Date           02/24/18      Sun 02/25/18            Mon 02/26/18            Tue
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                      25          45          25          53          33
Temp                   31 28 25 31 42 45 37 32 28 26 25 34 50 52 46 36 35 34 34
Dewpt                  26 24 21 23 25 26 26 26 25 23 22 27 30 30 30 30 29 30 30
RH                     81 85 84 72 50 47 64 78 88 88 88 75 46 43 53 79 78 85 85
Wind dir                W  W  W  W  W SW SW SW SW SW  S SW SW SW  S  S  S  S  S
Wind spd               16 16 13 12 13 12  8  6  5  4  4  5  9  9  8  6  8  8  9
Clouds                 B1 SC FW CL FW SC B1 SC FW FW FW FW CL CL CL CL FW CL FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                   0.05           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain
Wind chill             20 16 13 21 35 39 31 25 22    19             30 28 27 27
Min chill              20    13    14    30    20    19    22    39    27    24


Date           02/27/18  Wed 02/28/18  Thu 03/01/18  Fri 03/02/18  Sat 03/03/18
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      36    57      35    45      26    47      28    50
Temp          56 54 42   37 55 54 42   35 45 42 32   27 45 43 32   30 48 45
Dewpt         41 40 38   35 43 42 37   31 30 27 25   23 27 27 25   24 31 30
PWind dir         S       W     E       N    NW      NW     N       E    SE
Wind char        GN      LT    LT      GN    BZ      BZ    GN      LT    GN
Avg clouds    FW SC B1   B1 B1 B2 OV   B2 B1 B1 SC   SC SC SC SC   FW FW FW
PoP 12hr          5      20    50      90    20      10     0       5     0
Rain                      S  C  C  D    C  S
Snow                      S             C  S

$$



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