Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
1222 AM CST Fri Feb 24 2017

IAZ060-251000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
1222 AM CST Fri Feb 24 2017

Date           02/23/17      Fri 02/24/17            Sat 02/25/17            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          36          18          32          23
Temp                      38 36 34 33 32 28 26 24 21 18 20 27 32 29 24 24 23 24
Dewpt                     35 32 30 28 27 23 21 18 16 14 14 15 18 19 19 19 20 20
RH                        89 85 85 82 81 81 81 77 81 84 77 60 56 66 81 81 88 84
Wind dir                  NE  N  N  N NW NW NW NW NW NW NW NW  W SW  S  S  S SW
Wind spd                  16 14 17 18 19 21 20 19 18 13 13 12 10  4  5  9 10 10
Wind gust                                   32 32 28 25 24
Clouds                    OV B2 OV OV OV OV OV B2 B1 SC FW FW SC B1 B1 B1 B1 B1
PoP 12hr                     80          90          80           0           0
QPF 12hr                   0.28        0.13        0.06           0           0
Snow 12hr                 00-00           1           1
Rain                       D  L
Snow                             L  D  D  D  L  S
Tstms                      S
Obvis                                 BS BS BS BS
Wind chill                29 27 23 22 20 14 11  9  6  4  7 16 24 23 17 14 13 14
Min chill              33    26    21    14     8     4     4    19    13    12
Winter Weath                  Y  Y  Y  Y  Y  Y


Date           02/26/17  Mon 02/27/17  Tue 02/28/17  Wed 03/01/17  Thu 03/02/17
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      24    46      36    53      30    42      25    45
Temp          40 38 27   24 42 43 36   37 49 49 36   30 40 39 28   25 42 40
Dewpt         26 27 22   22 29 33 34   35 40 35 29   25 23 22 20   20 23 21
PWind dir        SW      SW    SE      SE    SW      NW    NW       W     W
Wind char        GN      LT    LT      LT    GN      GN    GN      GN    GN
Avg clouds    B1 SC SC   SC SC B1 B2   B2 B2 B2 B2   B1 B1 SC SC   SC SC SC
PoP 12hr         10       5    40      50    40       5    10      10    10
Rain              S                        C                S             S
Snow              S

$$
IAZ039-251000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
1222 AM CST Fri Feb 24 2017

Date           02/23/17      Fri 02/24/17            Sat 02/25/17            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          33          16          26          19
Temp                      35 34 32 31 30 27 25 22 20 17 17 22 26 24 20 19 20 20
Dewpt                     33 31 29 28 27 25 22 18 16 14 14 14 17 17 18 18 20 20
RH                        92 89 88 88 88 92 88 84 84 88 88 71 68 74 92 96100100
Wind dir                  NE NE  N  N  N  N NW NW NW NW NW NW  W  W SW  S  S  S
Wind spd                  21 20 20 19 20 21 24 23 20 16 14 14 11  6  5  8 10 10
Wind gust                 32 31 31          34 33 31 27 27 25
Clouds                    OV OV OV OV OV OV OV OV B2 B1 SC FW FW B1 B1 B2 B2 B1
PoP 12hr                    100          90          90           5           5
QPF 12hr                   0.54        0.24        0.10           0           0
Snow 12hr                     T           1           2
Frzg rain                        C     S
Rain                       D  D  C     S
Sleet                         S
Snow                          S  D  D  D  D  D  C
Tstms                      S
Obvis                                    BS BS BS BS BS
Wind chill                24 22 19 19 17 13 10  6  4  2  2  9 15 16 12 10  9  9
Min chill              25    22    18    13     6     1     1    10     9     7
Winter Weath                  Y  Y  Y  Y  Y  Y


Date           02/26/17  Mon 02/27/17  Tue 02/28/17  Wed 03/01/17  Thu 03/02/17
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      19    40      31    47      28    37      21    38
Temp          34 34 23   19 35 37 32   31 43 44 32   28 35 34 24   21 34 34
Dewpt         27 27 20   19 29 31 31   31 39 36 30   25 26 23 19   18 23 23
PWind dir        SW      SW     S      SE     S      NW    NW       W     W
Wind char        GN      LT    LT      LT    LT      GN    GN      GN    GN
Avg clouds    B1 SC SC   SC SC B1 B2   B2 B2 B2 B2   B1 B1 SC SC   SC SC B1
PoP 12hr          5      10    20      50    40      10    10       5    30
Rain              S             S  S       S  C             S             S
Snow              S  S             S       S             S  S             S

$$
IAZ048-251000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
1222 AM CST Fri Feb 24 2017

Date           02/23/17      Fri 02/24/17            Sat 02/25/17            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          34          16          29          21
Temp                      36 34 32 31 30 26 24 22 19 17 17 25 29 25 23 23 21 21
Dewpt                     33 31 29 27 27 22 21 18 16 13 13 15 19 18 20 20 21 21
RH                        89 89 88 85 88 85 88 84 88 84 84 65 66 74 88 88100100
Wind dir                  NE  N  N  N  N NW NW NW NW NW NW NW  W SW  S  S  S SW
Wind spd                  18 17 19 20 23 23 23 20 19 14 13 11  9  5  5  6 10  9
Wind gust                          31       33 33    25 24
Clouds                    OV OV OV OV OV OV OV B2 B1 SC FW FW SC B1 B1 B2 B1 B1
PoP 12hr                    100         100          80           0           0
QPF 12hr                   0.27        0.18        0.06           0           0
Snow 12hr                 00-00           2           1
Rain                       D  D
Sleet                      L  C
Snow                       L  L  D  D  D  D  L  S
Tstms                      S
Obvis                              BS BS BS BS BS BS
Wind chill                26 24 20 18 17 11  9  7  3  2  4 14 20 18 16 15 10 11
Min chill              27    23    17    11     6     1     1    16    14    10
Winter Weath                  Y  Y  Y  Y  Y  Y


Date           02/26/17  Mon 02/27/17  Tue 02/28/17  Wed 03/01/17  Thu 03/02/17
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      21    42      32    50      28    39      23    41
Temp          35 34 24   21 38 39 33   33 46 45 34   28 36 35 25   23 39 37
Dewpt         27 27 21   21 29 32 33   32 41 35 29   24 24 24 20   19 24 23
PWind dir        SW      SW     S      SE    SW      NW    NW       W     W
Wind char        GN      LT    LT      LT    GN      GN    GN      GN    GN
Avg clouds    SC SC SC   SC SC B1 B2   B2 B2 B2 B2   B1 B1 SC SC   SC SC SC
PoP 12hr          5       5    40      50    40      10    10      10    30
Rain              S                        C             S  S             S
Snow              S                        C             S

$$
IAZ004-251000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
1222 AM CST Fri Feb 24 2017

Date           02/23/17      Fri 02/24/17            Sat 02/25/17            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                      24          26          13          27          16
Temp                      28 25 23 23 24 23 20 18 15 13 16 23 27 25 22 20 19 16
Dewpt                     25 22 20 20 20 17 16 14 11  9 10 15 19 16 16 17 18 16
RH                        88 88 88 88 84 77 84 84 84 84 77 71 71 68 77 88 96100
Wind dir                   N  N  N  N  N  N  N NW NW NW NW  W SW SW  S  S SW SW
Wind spd                  26 25 28 28 28 25 23 21 18 14 12 10 10  9 11 11 10 10
Wind gust                       39 40 40 35 34 33       23
Clouds                    OV OV OV OV OV B2 B1 B1 SC FW FW SC B1 B2 B2 B2 B2 B2
PoP 12hr                    100         100          30           0           5
QPF 12hr                   0.35        0.33        0.02           0           0
Snow 12hr                     4           5           T
Frzg rain
Rain
Snow                       D  D  D  D  D  C  S
Obvis                     BS BS BS BS BS BS BS BS BS BS
Wind chill                13  9  6  6  7  7  3  1 -2 -3  2 12 17 15 10  8  7  4
Min chill              12     9     5     6     1    -4    -3    14     8     4
Blizzard                   W  W  W  W  W  W  W


Date           02/26/17  Mon 02/27/17  Tue 02/28/17  Wed 03/01/17  Thu 03/02/17
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          32      16    35      28    39      23    33      19    35
Temp          29 28 19   16 30 31 28   28 35 34 28   23 30 28 20   19 33 31
Dewpt         23 22 16   15 23 28 28   28 33 32 25   20 20 21 16   17 22 21
PWind dir         W      SW     S      SE    SW      NW    NW       W     W
Wind char        GN      LT    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    B1 SC FW   FW SC B1 B2   B2 B2 B2 B1   B1 B1 B1 SC   SC B1 SC
PoP 12hr          5       0     5      40    40      10    10       5    30
Rain                                       C  C
Snow                                       C          S  C

$$
IAZ035-251000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
1222 AM CST Fri Feb 24 2017

Date           02/23/17      Fri 02/24/17            Sat 02/25/17            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                      28          30          15          27          19
Temp                      33 31 28 27 26 24 23 20 18 15 16 23 27 25 21 22 21 19
Dewpt                     30 27 25 24 23 21 18 15 13 11 11 15 19 17 17 19 19 18
RH                        89 85 88 88 88 88 81 81 80 84 80 71 71 71 84 88 92 96
Wind dir                  NE  N  N  N  N  N  N NW NW NW NW NW  W SW  S  S  S SW
Wind spd                  20 19 21 24 24 21 18 17 13 12 11 10 10  8  6 10 10  9
Wind gust                                   33 32 28 23 21
Clouds                    OV OV OV OV OV OV B2 B2 SC FW FW SC SC B1 B2 B2 B1 B1
PoP 12hr                    100         100          80           0           5
QPF 12hr                   0.35        0.28        0.05           0           0
Snow 12hr                     2           4           1
Rain
Sleet
Snow                       D  D  D  D  D  D  L
Tstms
Obvis                        BS BS BS BS BS BS BS
Wind chill                21 18 14 12 11  9  9  5  4  1  2 12 17 16 12 11 10  8
Min chill              20    17    12     8     5     0     0    14    11     6
Blizzard                   W  W  W  W  W  W  W


Date           02/26/17  Mon 02/27/17  Tue 02/28/17  Wed 03/01/17  Thu 03/02/17
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          34      17    38      30    43      25    36      21    38
Temp          31 30 21   17 33 35 30   30 39 39 31   26 33 33 22   21 35 34
Dewpt         25 24 18   17 27 30 30   29 36 34 27   22 24 23 18   18 24 23
PWind dir        SW      SW     S      SE    SW      NW    NW       W     W
Wind char        GN      LT    GN      LT    GN      GN    GN      GN    GN
Avg clouds    SC SC SC   FW SC B1 B2   B2 B2 B2 B2   B1 B1 SC SC   SC SC SC
PoP 12hr          5       5    30      50    40      10    10      10    30
Rain                                       C  S             S
Snow                                       C             C  S

$$
IAZ094-251000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
1222 AM CST Fri Feb 24 2017

Date           02/23/17      Fri 02/24/17            Sat 02/25/17            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          39          19          35          25
Temp                      43 39 37 35 34 29 26 24 22 19 22 30 35 30 26 26 25 26
Dewpt                     39 36 33 29 26 22 20 17 16 14 14 14 16 16 16 17 17 18
RH                        86 89 85 78 72 75 78 74 77 80 71 51 45 55 65 68 71 71
Wind dir                   N  N NW NW NW NW NW NW NW NW NW NW NW SW  S  S  S SW
Wind spd                  12 12 16 18 23 23 21 20 19 14 14 12 10  5  5  9 11 11
Wind gust                                   32 32
Clouds                    B1 B2 B2 OV OV OV OV B2 SC SC FW FW SC SC SC SC B1 B2
PoP 12hr                     40          50          50           0           0
QPF 12hr                   0.07        0.06        0.02           0           0
Snow 12hr                 00-00           T           T
Rain                       C  C  C  C
Snow                                C  C  C  C                                S
Tstms                      S
Obvis                                    BS BS BS BS
Wind chill                36 31 27 25 22 15 12 10  7  5  9 20 27 24 19 17 14 15
Min chill              38    30    24    15     9     5     5    23    16    14


Date           02/26/17  Mon 02/27/17  Tue 02/28/17  Wed 03/01/17  Thu 03/02/17
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          46      26    49      37    57      31    44      26    48
Temp          42 39 31   26 44 45 38   37 51 52 39   31 41 40 31   26 44 41
Dewpt         25 26 24   24 30 34 34   37 39 35 30   26 23 22 20   20 22 20
PWind dir        SW      SE    SE       S    SW      NW    NW       W     W
Wind char        GN      LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B1 SC   SC SC B1 B2   B2 B2 B2 B2   B1 B1 SC SC   FW FW FW
PoP 12hr         10      10    40      30    30      10     5       5     5
Rain           S  C                S       C  S
Snow           S  C

$$
IAZ017-251000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
1222 AM CST Fri Feb 24 2017

Date           02/23/17      Fri 02/24/17            Sat 02/25/17            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                      28          29          13          25          16
Temp                      31 29 27 27 27 24 21 18 17 13 15 21 25 21 17 19 19 16
Dewpt                     29 27 25 25 24 21 18 15 14 11 11 14 18 16 16 17 19 16
RH                        92 92 92 92 88 88 88 88 88 91 84 74 74 81 96 92100100
Wind dir                  NE  N  N  N  N  N  N NW NW NW NW NW  W SW SW  S  S SW
Wind spd                  23 25 26 26 28 25 25 23 20 16 16 14 11  9  8 10 11  9
Wind gust                       36 39 40 36 35 34 32 26
Clouds                    OV OV OV OV OV OV OV B2 B1 SC FW FW SC B1 B2 B2 B2 B1
PoP 12hr                    100         100          90           0           5
QPF 12hr                   0.43        0.39        0.09           0           0
Snow 12hr                     3           5           2
Rain
Snow                       D  D  D  D  D  D  L  S
Tstms
Obvis                        BS BS BS BS BS BS BS BS BS
Wind chill                18 15 12 12 11  8  4  1  0 -3 -1  8 14 11  7  7  7  4
Min chill              19    15    10     7     1    -4    -4    11     5     4
Blizzard                   W  W  W  W  W  W  W


Date           02/26/17  Mon 02/27/17  Tue 02/28/17  Wed 03/01/17  Thu 03/02/17
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          32      15    35      27    39      24    33      17    34
Temp          29 28 19   15 31 32 27   27 36 36 29   24 30 28 18   17 30 30
Dewpt         25 23 17   15 25 29 27   27 34 34 27   22 24 22 17   16 23 22
PWind dir        SW      SW     S      SE     S       W    NW       W     W
Wind char        GN      LT    LT      GN    GN      GN    GN      GN    GN
Avg clouds    B1 SC SC   SC SC B1 B2   B2 B2 B2 B2   B2 B1 B1 SC   SC SC SC
PoP 12hr          5       5    10      50    40      10    10       5    20
Rain                                       S  C  S
Snow                               S       S     S       C  S             S

$$
IAZ049-251000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
1222 AM CST Fri Feb 24 2017

Date           02/23/17      Fri 02/24/17            Sat 02/25/17            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          34          16          27          20
Temp                      35 33 32 31 30 26 24 21 19 16 17 22 27 24 20 20 20 20
Dewpt                     33 32 30 28 27 24 21 18 16 14 13 14 18 17 18 19 20 20
RH                        92 96 92 88 88 92 88 88 88 92 84 71 68 74 92 96100100
Wind dir                  NE NE  N  N  N NW NW NW NW NW NW NW  W  W SW  S  S SW
Wind spd                  21 21 20 20 23 23 25 23 21 17 16 14 12  6  5  9 11 11
Wind gust                             33    35 33 33 27 26
Clouds                    OV OV OV OV OV OV OV OV B2 B1 SC FW FW B1 B1 B2 B1 B1
PoP 12hr                     90          90          80           5           0
QPF 12hr                   0.46        0.19        0.07           0           0
Snow 12hr                 00-00           1           1
Frzg rain                        S
Rain                       D  D  S
Snow                             D  D  D  D  D  C
Tstms                      S
Obvis                              BS BS BS BS BS BS BS
Wind chill                23 21 20 18 17 12  8  5  2  0  2  9 16 16 12  9  8  8
Min chill              25    21    18    11     5     0     0    13     9     8
Winter Weath                  Y  Y  Y  Y  Y  Y


Date           02/26/17  Mon 02/27/17  Tue 02/28/17  Wed 03/01/17  Thu 03/02/17
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      21    42      31    50      27    38      22    40
Temp          35 34 24   21 37 38 32   32 46 45 32   27 35 34 25   22 36 35
Dewpt         26 27 21   20 29 32 32   32 40 35 29   25 24 22 19   18 24 22
PWind dir        SW      SW     S      SE     S      NW    NW       W     W
Wind char        GN      LT    LT      GN    GN      GN    GN      GN    GN
Avg clouds    B1 SC SC   SC SC B1 B2   B2 B2 B2 B2   B1 B1 SC SC   SC SC SC
PoP 12hr          5       5    40      50    40      10    10       5    30
Rain              S                        S  S          S  S             S
Snow              S                        S             S  S

$$
IAZ086-251000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
1222 AM CST Fri Feb 24 2017

Date           02/23/17      Fri 02/24/17            Sat 02/25/17            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                      40          43          20          33          24
Temp                      43 41 40 39 37 33 28 25 23 21 22 28 33 29 25 24 24 25
Dewpt                     40 38 37 33 30 26 23 20 18 15 15 14 16 17 18 18 19 19
RH                        89 89 89 79 75 75 81 81 81 77 74 55 49 60 74 77 81 78
Wind dir                  NE  N NW  W  W NW NW NW NW NW NW NW NW  W SW  S  S  S
Wind spd                  16 13 14 16 17 20 23 21 21 17 17 17 14  6  4  6 10 12
Wind gust                                         32 27 27
Clouds                    B2 B1 B2 B2 B2 OV OV OV B2 B1 SC FW FW B1 B1 B1 B1 B1
PoP 12hr                     60          60          60           5           5
QPF 12hr                   0.10        0.05        0.06           0           0
Snow 12hr                 00-00       00-00           1
Rain                       C  S  C  C  C
Snow                                   S  L  L  C
Tstms                      S
Obvis                                    BS BS BS BS BS BS
Wind chill                35 33 32 30 27 21 14 10  8  6  7 16 23 23 19 16 14 14
Min chill              34    32    30    20    10     5     5    20    15    13


Date           02/26/17  Mon 02/27/17  Tue 02/28/17  Wed 03/01/17  Thu 03/02/17
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          46      26    48      38    58      32    44      25    46
Temp          42 40 30   26 44 45 39   38 53 55 40   32 41 40 29   25 43 41
Dewpt         26 28 26   25 31 34 37   38 43 37 33   27 26 23 21   20 24 21
PWind dir        SW       S    SE      SE    SW      NW    NW      NW     W
Wind char        GN      LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B1 SC   SC SC B1 B2   B2 B2 B2 B2   B2 B1 B1 SC   SC SC SC
PoP 12hr         20       5    40      50    40      10    10       5    30
Rain              C                C       C  L  S    S                   S
Snow              C                                   S

$$



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