Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
936 AM CST Tue Feb 28 2017

IAZ060-282200-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
936 AM CST Tue Feb 28 2017

Date             Tue 02/28/17            Wed 03/01/17            Thu 03/02/17
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                      60          33          44          26          43
Temp                   60 59 51 42 38 36 36 34 41 44 40 33 29 27 27 34 41 43 37
Dewpt                  48 45 41 37 35 35 32 29 28 26 25 25 23 23 22 24 22 21 20
RH                     64 60 68 82 89 96 85 82 59 49 55 72 78 85 81 66 46 41 50
Wind dir                W NW  N  N NW NW NW NW NW NW NW  W  W  W SW  W NW NW NW
Wind spd                8  8  9 11 11 11 13 16 18 18 13 10  8  5  6 12 17 17 12
Wind gust                                   26 28 28                   27 27 23
Clouds                 OV OV OV OV OV OV OV OV B1 B1 B1 FW FW FW SC SC SC B1 SC
PoP 12hr                     40          40          30           0          10
QPF 12hr                   0.04        0.10           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                          C  C  C  C  C  C
Rain shwrs                 C
Snow                                   S  C  C
Wind chill                      36 31 28 27 24 32 36 33 25 22 21 20 25 32 34 29
Min chill                          30    24    22    32    21    18    19    26


Date               Fri 03/03/17  Sat 03/04/17  Sun 03/05/17  Mon 03/06/17
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            23    47      34    63      43    65      44    57
Temp          26   23 42 44 34   35 58 59 49   44 63 61 49   44 56 52
Dewpt         19   17 18 22 25   29 36 38 39   38 44 44 43   40 36 30
PWind dir          NW     S       S    SW      SW    SW       S     W
Wind char          LT    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    FW   FW SC B1 SC   FW FW SC SC   FW SC B1 B1   B1 SC SC
PoP 12hr            0     0       0    10       0    20      30    20
Rain                                                  S  S    C  S

$$
IAZ039-282200-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
936 AM CST Tue Feb 28 2017

Date             Tue 02/28/17            Wed 03/01/17            Thu 03/02/17
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          31          37          24          37
Temp                   51 51 45 39 36 35 33 31 35 37 35 29 25 25 24 29 36 36 31
Dewpt                  48 47 43 39 36 35 33 30 28 28 27 27 25 24 21 24 24 23 21
RH                     89 86 93100100100100 96 75 70 72 92100 96 88 81 61 59 66
Wind dir                W  N  N  N  N NW NW NW NW NW NW  W NW  W  W  W NW NW NW
Wind spd                6  6  8 10 10  9 11 13 16 16 10  9  8  5  5  8 11 13 10
Wind gust                                   24 26 26
Clouds                 OV OV OV OV OV OV OV OV OV B2 B2 B1 SC B1 B2 B1 B2 B2 B1
PoP 12hr                     50          60          60           5          20
QPF 12hr                   0.07        0.08        0.08           0           0
Snow 12hr                 00-00           T           1
Rain                          C  C  C  L           S                    S  S
Rain shwrs              S  C
Snow                                   L  L  L  S                 S  S  S  S
Tstms
Wind chill                      32 29 28 25 21 25 28 27 20 17 18 17 22 28 27 23
Min chill                    39    29    24    21    25    16    16    18    20


Date               Fri 03/03/17  Sat 03/04/17  Sun 03/05/17  Mon 03/06/17
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            19    40      29    56      36    59      39    53
Temp          21   19 35 36 29   31 51 51 42   37 56 55 43   40 52 48
Dewpt         18   16 18 23 23   27 38 39 37   35 40 44 41   39 38 33
PWind dir          NW     S       S     S      SW    SW       S     W
Wind char          LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC   FW SC B1 B1   FW SC SC SC   SC SC B1 B2   B2 B1 SC
PoP 12hr           10    10       5     5      20    10      50    30
Rain                                       S             S    C  C  C

$$
IAZ048-282200-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
936 AM CST Tue Feb 28 2017

Date             Tue 02/28/17            Wed 03/01/17            Thu 03/02/17
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          31          40          26          40
Temp                   52 50 45 38 35 34 34 32 37 40 36 31 28 27 27 32 39 39 34
Dewpt                  48 45 40 36 35 34 32 30 29 28 27 26 25 24 22 24 23 22 21
RH                     86 83 82 92100100 92 92 72 62 69 81 88 88 81 72 52 50 58
Wind dir               NW  N  N  N NW NW NW NW NW NW NW  W  W  W SW  W NW NW NW
Wind spd                5  8  9 10 11 10 13 14 17 17 12 10  6  5  6 11 14 16 11
Wind gust                                   25 27 27
Clouds                 OV OV OV OV OV OV OV OV B2 B2 B1 SC FW SC B1 SC SC B1 SC
PoP 12hr                     40          50          30           5          20
QPF 12hr                   0.03        0.04        0.01           0           0
Snow 12hr                 00-00       00-00           T
Rain                          C  C  C  C  S                             S  S
Rain shwrs              S  C
Snow                                S  C  C  C
Wind chill                      31 27 26 25 22 28 31 28 21 21 21 20 23 30 31 26
Min chill                    38    27    23    21    27    19    19    19    26


Date               Fri 03/03/17  Sat 03/04/17  Sun 03/05/17  Mon 03/06/17
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            21    44      30    60      38    62      40    55
Temp          23   21 39 40 30   32 54 55 45   39 60 57 45   41 52 52
Dewpt         19   17 19 23 25   27 38 39 38   36 43 45 42   39 37 32
PWind dir          NW     S       S     S      SW    SW       S     W
Wind char          LT    GN      GN    GN      GN    GN      LT    GN
Avg clouds    SC   FW SC B1 SC   FW SC SC SC   FW SC B1 B1   B1 B1 SC
PoP 12hr            5     5       0    10       0    10      30    20
Rain                                                          C  S  S

$$
IAZ004-282200-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
936 AM CST Tue Feb 28 2017

Date             Tue 02/28/17            Wed 03/01/17            Thu 03/02/17
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                      40          26          36          21          32
Temp                   37 39 37 33 32 30 28 28 34 36 32 24 21 21 22 24 30 32 27
Dewpt                  34 36 35 33 31 30 28 26 26 27 25 23 20 20 19 21 20 21 18
RH                     89 89 92100 96100100 92 72 69 75 96 96 96 88 88 66 63 68
Wind dir                N  N  N  N  N NW NW NW NW  W NW NW  W SW  W NW NW NW NW
Wind spd               10  9  9 11 12 11 13 14 14 16 13 10  5  6  9 12 13 13 12
Clouds                 OV OV OV OV OV OV OV OV B2 B2 B1 FW B1 B2 B2 B2 B2 B2 SC
PoP 12hr                     10          50          40          10          30
QPF 12hr                      0        0.04           0           0           0
Snow 12hr                 00-00           T       00-00
Rain                          S                    S
Snow                             S  C  C  C  C  S  S              S  S  C  C
Wind chill             30 33 30 24 23 20 17 16 24 26 22 14 13 12 12 12 19 22 16
Min chill              23    30    23    16    14    21    12     9    10    15


Date               Fri 03/03/17  Sat 03/04/17  Sun 03/05/17  Mon 03/06/17
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            16    39      27    52      33    55      37    48
Temp          16   16 34 35 28   28 46 46 38   35 53 51 40   37 46 46
Dewpt         14   13 19 24 23   25 33 36 32   30 35 41 38   35 32 30
PWind dir          NW     S       S     S      SW     S       S     W
Wind char          GN    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    SC   FW B1 B1 SC   FW SC SC SC   SC SC B1 B1   B1 B1 SC
PoP 12hr            5    10       0     0       0     5      20    30
Rain                                                     S    S  C  S

$$
IAZ035-282200-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
936 AM CST Tue Feb 28 2017

Date             Tue 02/28/17            Wed 03/01/17            Thu 03/02/17
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                      46          29          38          24          37
Temp                   40 40 44 38 35 32 32 30 35 38 35 29 25 24 26 30 35 36 32
Dewpt                  37 38 36 34 33 32 30 28 28 28 27 25 22 22 20 23 23 23 20
RH                     89 92 73 85 92100 92 92 75 67 72 85 88 92 78 75 61 59 61
Wind dir                N  N  N  N  N NW NW NW NW NW  W  W  W SW  W  W NW NW NW
Wind spd                8 10  9  9  9 10 11 13 16 16 11 10  5  5  6 13 14 16 10
Clouds                 OV OV OV OV OV OV OV OV B2 B2 B1 SC SC B1 B1 SC B1 B2 SC
PoP 12hr                     30          40          40           5          30
QPF 12hr                   0.03        0.03        0.01           0           0
Snow 12hr                 00-00           T           T
Rain                          C  S  C                                   C  C
Rain shwrs              S  C
Snow                                C  C  C  C                          C  C
Wind chill             34 34    32 28 24 23 19 26 29 27 20 18 17 18 19 26 27 23
Min chill              32    33    27    20    18    26    16    16    16    22


Date               Fri 03/03/17  Sat 03/04/17  Sun 03/05/17  Mon 03/06/17
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            19    42      29    57      36    59      38    53
Temp          20   19 37 39 29   30 51 52 42   37 56 55 41   39 50 50
Dewpt         17   15 20 25 24   26 37 38 35   33 41 44 40   37 36 31
PWind dir          NW     S       S     S      SW     S       S     W
Wind char          LT    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    SC   FW B1 B1 SC   FW SC SC FW   FW SC B1 B1   B1 B1 SC
PoP 12hr            5     5       0     5       5     5      30    30
Rain                                                     S    C  C  S

$$
IAZ094-282200-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
936 AM CST Tue Feb 28 2017

Date             Tue 02/28/17            Wed 03/01/17            Thu 03/02/17
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                      67          36          45          26          48
Temp                   65 67 58 48 43 40 37 36 42 45 41 34 30 28 26 35 46 47 40
Dewpt                  51 45 41 37 36 34 32 29 26 25 23 23 22 22 21 22 21 19 18
RH                     60 45 53 65 76 79 82 75 53 45 48 64 72 78 81 59 37 32 41
Wind dir               SW SW NW  N NW NW NW NW NW NW NW NW  W  W SW  W NW NW NW
Wind spd               11 11  9 12 12 13 14 17 19 20 14 10  8  6  9 12 18 21 13
Wind gust                                   27                         28 32
Clouds                 OV B2 B2 OV OV OV OV B1 SC SC SC CL CL CL FW SC FW FW FW
PoP 12hr                     30          60          10           0           0
QPF 12hr                   0.06        0.06           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                          C  L  C  C
Rain shwrs                 S
Tstms                      S
Wind chill                         36 32 28 26 33 37 33 26 23 21 18 27 38 39 32
Min chill                          35    27    24    32    22    17    19    31


Date               Fri 03/03/17  Sat 03/04/17  Sun 03/05/17  Mon 03/06/17
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            23    50      35    65      45    66      43    59
Temp          28   23 44 46 38   35 59 61 52   46 64 62 51   43 58 53
Dewpt         19   18 18 23 25   29 35 37 40   42 46 44 44   40 36 28
PWind dir           N     S       S    SW      SW     S      SW     W
Wind char          GN    GN      GN    BZ      GN    GN      GN    BZ
Avg clouds    FW   FW SC SC SC   FW FW SC SC   SC SC B1 B1   B1 SC SC
PoP 12hr            0     0       0     5       5    30      30    10
Rain                                               S  C  C    C

$$
IAZ017-282200-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
936 AM CST Tue Feb 28 2017

Date             Tue 02/28/17            Wed 03/01/17            Thu 03/02/17
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          27          35          21          33
Temp                   39 39 42 37 36 31 30 28 33 35 31 26 24 22 22 27 32 33 29
Dewpt                  37 38 37 35 33 31 30 27 27 28 27 25 22 22 20 22 22 23 19
RH                     92 96 82 92 89100100 96 78 75 85 96 92100 92 81 66 66 66
Wind dir                N  N  N  N  N  N NW NW NW NW NW NW NW  W  W  W NW NW NW
Wind spd                8  9  9 11 11 10 13 16 17 14 11 11  9  6  5  8 12 13 11
Clouds                 OV OV OV OV OV OV OV OV B2 B2 B2 B1 SC B1 B2 B2 B2 B2 B1
PoP 12hr                     30          50          50          10          20
QPF 12hr                   0.04        0.08        0.06           0           0
Snow 12hr                 00-00           1           1
Rain                          S  S  C              S
Rain shwrs              S  C
Snow                                C  C  C  C  S  S              S  S  S  S
Tstms
Wind chill             33 33 36 30 28 22 19 16 22 25 22 15 14 14 15 19 23 23 19
Min chill              31    33    27    18    15    22    12    12    15    18


Date               Fri 03/03/17  Sat 03/04/17  Sun 03/05/17  Mon 03/06/17
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            16    38      26    52      34    55      37    49
Temp          18   16 33 34 26   27 47 46 40   35 53 51 40   38 47 46
Dewpt         16   13 18 23 23   25 35 38 34   31 37 43 39   36 35 31
PWind dir          NW     S       S     S      SW    SW       S     W
Wind char          GN    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    SC   FW SC B1 SC   FW SC SC SC   SC SC B1 B1   B2 B1 B1
PoP 12hr           10    10       0     0       5    10      40    30
Rain                                                     C    C  C  C
Snow                   S

$$
IAZ049-282200-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
936 AM CST Tue Feb 28 2017

Date             Tue 02/28/17            Wed 03/01/17            Thu 03/02/17
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          31          39          24          39
Temp                   54 53 46 39 35 34 33 33 36 39 35 29 26 24 24 30 38 38 31
Dewpt                  49 47 41 38 35 34 32 30 28 28 27 27 24 24 22 23 23 23 21
RH                     83 80 83 96100100 96 89 72 64 72 92 92100 92 75 54 54 66
Wind dir                W  N  N  N NW NW NW NW NW NW NW  W  W  W SW  W NW NW NW
Wind spd                8  8 10 12 11 11 13 16 19 18 13 11  9  5  5 11 16 17 12
Clouds                 OV OV OV OV OV OV OV OV B2 B2 B1 SC FW SC B1 B1 B1 B2 B1
PoP 12hr                     50          50          50           5          20
QPF 12hr                   0.05        0.11        0.04           0           0
Snow 12hr                 00-00           T           T
Rain                          C  C  C     S     S  S                    S  S
Rain shwrs              S  C
Snow                                   C  C  C  S
Tstms                   S
Wind chill                      31 27 26 23 22 26 30 26 19 17 17 16 20 29 29 22
Min chill                          27    23    20    25    15    15    15    21


Date               Fri 03/03/17  Sat 03/04/17  Sun 03/05/17  Mon 03/06/17
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            19    42      29    58      37    61      39    54
Temp          21   19 37 37 29   31 54 53 44   38 59 55 44   39 53 49
Dewpt         18   16 18 23 24   27 37 39 37   36 43 43 41   39 36 32
PWind dir          NW     S       S     S      SW    SW       S     W
Wind char          GN    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    SC   FW SC B1 SC   FW SC SC SC   SC SC B1 B2   B1 B1 SC
PoP 12hr           10     5       5    10       5    20      40    30
Rain                                                  S  S    C  S  C

$$
IAZ086-282200-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
936 AM CST Tue Feb 28 2017

Date             Tue 02/28/17            Wed 03/01/17            Thu 03/02/17
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                      66          36          44          26          46
Temp                   64 65 60 49 43 40 39 37 41 44 41 33 30 27 26 34 43 45 38
Dewpt                  54 53 48 43 40 37 36 32 29 28 26 27 25 24 22 23 23 21 20
RH                     70 65 64 80 89 89 89 82 62 53 55 78 81 88 85 64 45 38 48
Wind dir               SW SW NW NW NW NW NW NW NW NW NW  W  W  W SW  W  W NW NW
Wind spd               12 10  6 10 10 14 16 18 23 20 13 10 10  6  8 12 17 19 12
Wind gust                                         31
Clouds                 OV OV OV OV OV OV OV OV B2 B1 SC SC FW FW SC B1 SC SC SC
PoP 12hr                     50          60          30           0          10
QPF 12hr                   0.12        0.12           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                          L  L  C  C  C  C
Rain shwrs                 C
Snow                                         C
Tstms                      C  S  S
Wind chill                         37 32 30 27 31 36 33 25 21 20 18 25 35 37 30
Min chill                          37    29    26    32    20    18    19    30


Date               Fri 03/03/17  Sat 03/04/17  Sun 03/05/17  Mon 03/06/17
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            22    47      34    63      44    65      43    59
Temp          25   22 41 43 34   35 57 59 50   45 63 61 49   44 58 53
Dewpt         20   18 18 21 25   29 36 38 41   41 46 45 45   43 38 33
PWind dir          NW     S       S    SW      SW    SW       S     W
Wind char          GN    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    FW   FW SC B1 SC   FW SC SC SC   SC SC B1 B1   B1 SC SC
PoP 12hr            5     0       5    10      10    30      40    20
Rain                                                  C  C    C  S

$$



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