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 Mon Feb 27 2017

IAZ060-281000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
651 PM CST Mon Feb 27 2017

Date           02/27/17      Tue 02/28/17            Wed 03/01/17            Thu
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                      46          58          33          43          27
Temp                48 47 47 49 55 58 56 50 43 39 36 33 37 41 43 41 34 31 29 28
Dewpt               34 39 43 46 48 47 44 40 37 34 32 29 29 27 25 25 25 24 23 22
RH                  58 74 86 89 77 67 64 68 79 82 85 85 72 57 49 52 69 75 78 78
Wind dir            SE  S  S  S SW SW NW NW NW NW NW NW NW NW NW NW  W  W  W SW
Wind spd             8  6  8 10 10 10 10 10 11 10 11 12 14 16 17 11  8  8  6  8
Wind gust                                            24 25 27 27
Clouds              OV B2 B2 OV B2 B2 OV OV OV OV OV OV OV B1 B1 SC FW FW FW SC
PoP 12hr                     30          40          40          20           0
QPF 12hr                   0.04        0.06        0.02           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                 C  C  C  S  S  S  C  C  C  C  C     S
Snow                                                  S
Tstms                   S  S  S  S  S
Obvis                     PF PF PF
Wind chill                                  37 32 28 24 28 32 36 35 27 25 22 20
Min chill                                      31    24    23    33    24    18


Date           03/02/17  Fri 03/03/17  Sat 03/04/17  Sun 03/05/17  Mon 03/06/17
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      21    47      35    62      41    64      39    51
Temp          42 37 25   23 43 46 37   38 59 58 45   43 62 58 46   39 48 49
Dewpt         22 20 17   15 18 23 25   29 36 37 36   36 43 42 38   34 33 28
PWind dir        NW      NW     S       S    SW      SW    SW      SW    NW
Wind char        GN      LT    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    SC SC FW   FW SC B1 SC   FW FW SC FW   SC SC B1 B1   B1 B1 B1
PoP 12hr         10       0     5       0     0       0    20      30    20
Rain                                                        S  C    C  S

$$
IAZ039-281000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
651 PM CST Mon Feb 27 2017

Date           02/27/17      Tue 02/28/17            Wed 03/01/17            Thu
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                      42          53          31          38          25
Temp                43 42 43 44 47 52 52 47 41 38 36 31 33 36 38 35 29 29 27 25
Dewpt               35 37 39 41 44 47 46 42 38 35 33 30 29 28 28 27 26 25 24 22
RH                  73 82 86 89 89 83 80 83 89 89 89 96 85 72 67 72 88 85 88 88
Wind dir            SE SE SE SE  S SW NW NW NW NW NW NW NW NW NW NW  W  W  W SW
Wind spd             9  9  8  8  9  9  8  8  9 10 10 11 13 16 14 10  8  6  6  6
Wind gust                                                  26 25
Clouds              OV OV B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC SC SC B1
PoP 12hr                     60          50          30          40           5
QPF 12hr                   0.08        0.06        0.01        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain                 C  C  L  C  C  C  C  C  C  C  C
Snow                                                  C  C
Obvis                   F  F  F  F PF
Wind chill          37                      35 31 28 22 23 26 29 27 21 21 20 17
Min chill              36    36    39          30    21    21    26    20    17


Date           03/02/17  Fri 03/03/17  Sat 03/04/17  Sun 03/05/17  Mon 03/06/17
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      18    41      29    56      36    58      36    47
Temp          37 32 22   19 38 39 32   32 53 52 40   38 56 54 43   36 45 45
Dewpt         23 20 17   15 18 23 23   27 37 39 36   34 40 42 37   33 33 30
PWind dir         W      NW     S       S    SW      SW    SW      SW    NW
Wind char        GN      LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B1 SC   FW SC B1 SC   SC SC SC SC   SC SC B1 B1   B1 B2 B1
PoP 12hr         20       0    10       5     0       0    20      30    40
Rain              S                                         S  C    S  C  S
Snow              S                                                 S  C

$$
IAZ048-281000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
651 PM CST Mon Feb 27 2017

Date           02/27/17      Tue 02/28/17            Wed 03/01/17            Thu
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                      43          53          31          40          26
Temp                44 43 44 46 50 53 51 46 40 37 34 31 33 38 40 36 31 29 27 27
Dewpt               35 38 41 43 46 47 44 40 36 34 32 29 29 28 28 26 26 25 24 22
RH                  70 82 89 89 86 80 77 79 85 89 92 92 85 67 62 67 81 85 88 81
Wind dir            SE SE  S  S  S  W NW NW NW NW NW NW NW NW NW NW  W  W  W SW
Wind spd             8  6  6  8  8  9 10  9 10 10 11 12 13 16 14 11  8  6  5  6
Wind gust                                            23    26 25
Clouds              OV B2 B2 OV B2 OV OV OV OV OV OV OV OV B2 B1 B1 FW FW SC B1
PoP 12hr                     40          30          30          20           0
QPF 12hr                   0.04        0.03        0.02           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                 C  C  C  C  S  S  S  C  C  C  C     S
Snow                                                  S  S
Obvis                      F  F PF
Wind chill                                  33 30 26 22 24 29 32 28 24 22 20 19
Min chill              38    38                29    21    21    27    21    17


Date           03/02/17  Fri 03/03/17  Sat 03/04/17  Sun 03/05/17  Mon 03/06/17
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      20    44      31    59      38    61      37    48
Temp          39 35 24   21 40 43 34   34 56 55 42   40 59 56 44   37 46 47
Dewpt         23 21 17   15 19 24 25   28 38 39 36   35 42 43 37   32 33 29
PWind dir        NW      NW     S       S    SW      SW    SW      SW    NW
Wind char        GN      LT    GN      GN    GN      LT    GN      GN    GN
Avg clouds    SC SC FW   FW SC B1 SC   FW FW SC FW   SC SC B1 B1   B1 B1 B1
PoP 12hr         20       0     5       0     0       0    20      30    20
Rain              S                                         S  C    C  S

$$
IAZ004-281000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
651 PM CST Mon Feb 27 2017

Date           02/27/17      Tue 02/28/17            Wed 03/01/17            Thu
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          41          26          35          21
Temp                36 36 35 35 36 40 41 36 33 30 29 26 27 32 35 32 28 23 22 21
Dewpt               31 32 33 32 34 35 35 34 31 29 27 25 25 25 26 25 23 21 19 19
RH                  82 85 92 89 92 82 79 92 92 96 92 96 92 75 69 75 81 92 88 92
Wind dir            SE SE SE  E  N  N  N  N  N  N  N NW NW NW  W  W NW  W SW  W
Wind spd             9  8  8  6  9 10 11 11 12 12 12 12 13 13 13 11 10  6  9 10
Clouds              OV B2 B2 OV OV OV OV OV OV OV OV OV OV B1 B1 B1 SC B1 B1 B1
PoP 12hr                     20          40          30          30          10
QPF 12hr                   0.01        0.02           0        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain                 S  S     C  C  C  S  S  S
Snow                                            C  C  C  C
Obvis                  PF  F  F  F PF
Wind chill          29 30 29 29 29 33 34 28 24 20 19 15 16 22 26 23 18 15 12 10
Min chill        27    24    27    27    28    20    14    14    23    15     9


Date           03/02/17  Fri 03/03/17  Sat 03/04/17  Sun 03/05/17  Mon 03/06/17
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          33      16    40      27    52      32    54      31    44
Temp          32 29 19   19 36 39 29   30 50 48 37   34 52 50 37   32 42 42
Dewpt         19 18 12   12 19 24 23   25 33 36 31   30 34 37 32   28 29 27
PWind dir        NW       W     S       S    SW      SW    SW       W    NW
Wind char        GN      LT    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    B1 B1 SC   FW SC B1 SC   FW SC SC SC   SC B1 B1 B1   B1 B1 B1
PoP 12hr         20       0    10       5     0       0     5      20    40
Rain                                                                S  C
Snow              S                                                 S  C

$$
IAZ035-281000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
651 PM CST Mon Feb 27 2017

Date           02/27/17      Tue 02/28/17            Wed 03/01/17            Thu
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          46          29          38          24
Temp                39 39 39 40 41 44 46 42 37 34 32 29 32 35 38 35 29 27 25 24
Dewpt               33 34 36 37 39 40 40 37 33 31 29 27 28 27 27 26 25 23 22 20
RH                  79 82 89 89 92 86 79 82 85 89 88 92 85 72 64 69 85 85 88 84
Wind dir            SE SE SE SE SW NW  N  N  N NW NW NW NW NW  W  W  W  W SW  W
Wind spd             9  8  9  8  6  6 10  9 10 10 10 11 12 14 16 10 10  6  6  9
Clouds              B2 B2 B2 OV OV OV OV OV OV OV OV OV OV B1 B1 B1 SC SC B1 B1
PoP 12hr                     30          30          30          20           0
QPF 12hr                   0.02        0.04           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                 S  C  C  C  C  S  S  S  S  C  C
Snow                                               C  S  S
Obvis                      F  F  F
Wind chill          33 33 33                30 26 24 19 23 25 29 27 20 20 17 14
Min chill        31    30    32    35    35    25    19    19    26    19    14


Date           03/02/17  Fri 03/03/17  Sat 03/04/17  Sun 03/05/17  Mon 03/06/17
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      18    42      30    56      36    59      35    46
Temp          36 32 22   20 39 41 34   33 53 52 39   38 57 55 41   35 45 44
Dewpt         22 20 15   14 20 25 25   27 37 39 33   32 39 41 35   30 31 28
PWind dir        NW      NW     S       S    SW      SW     S      SW    NW
Wind char        GN      LT    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    B1 B1 SC   FW SC B1 SC   FW SC SC FW   SC SC B1 B1   B1 B1 B1
PoP 12hr         20       0     5       5     0       0     5      20    30
Rain              S                                                 S  C
Snow              S                                                 S  C

$$
IAZ094-281000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
651 PM CST Mon Feb 27 2017

Date           02/27/17      Tue 02/28/17            Wed 03/01/17            Thu
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                      46          64          34          45          27
Temp                50 50 50 51 55 62 63 55 46 41 37 34 36 41 45 41 35 32 29 28
Dewpt               36 43 47 49 50 48 45 41 39 35 33 30 28 26 25 23 23 22 22 21
RH                  58 77 89 93 83 60 52 59 76 79 85 85 72 55 45 48 61 66 75 75
Wind dir            SE  S  S  S SW SW  W NW NW NW NW NW NW NW NW NW  W  W  W SW
Wind spd             9  8 10 12 13 13 11 11 12 11 13 14 17 18 19 12  9  8  6  9
Clouds              OV B2 OV OV B2 OV OV OV OV OV OV OV B2 SC SC SC FW CL FW FW
PoP 12hr                     30          30          60          10           0
QPF 12hr                   0.02        0.03        0.06           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                 C  C  C  S     S  S  L  L  C  C
Tstms                   S  S  S     S  S
Obvis                      F  F PF
Wind chill                                     34 28 25 26 32 37 34 28 26 22 19
Min chill                                      33    24    24    33    25    19


Date           03/02/17  Fri 03/03/17  Sat 03/04/17  Sun 03/05/17  Mon 03/06/17
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          47      22    50      37    63      42    65      40    53
Temp          45 40 27   24 46 49 42   39 60 59 48   43 63 61 50   40 52 51
Dewpt         20 18 17   16 18 23 27   29 35 36 37   38 45 42 39   34 32 27
PWind dir         W       N     S       S    SW      SW     S      SW    NW
Wind char        BZ      LT    GN      GN    BZ      GN    GN      GN    BZ
Avg clouds    FW FW FW   FW SC B1 SC   FW SC SC FW   SC SC B1 B1   B1 B1 SC
PoP 12hr          5       0     0       0     5       0    30      30    30
Rain                                                        C  C    C  C

$$
IAZ017-281000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
651 PM CST Mon Feb 27 2017

Date           02/27/17      Tue 02/28/17            Wed 03/01/17            Thu
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                      35          44          28          36          22
Temp                36 37 38 38 39 42 44 41 37 35 31 28 30 33 36 33 28 26 24 22
Dewpt               32 34 35 36 37 39 39 37 34 31 29 27 27 27 27 26 25 23 22 20
RH                  85 89 89 92 92 89 82 85 89 85 92 96 88 78 69 75 88 88 92 92
Wind dir            SE SE SE SE SE NW  N  N NW  N  N NW NW NW NW  W  W  W  W  W
Wind spd            10 10  8  6  6  5  9  9 11 11 11 13 14 16 14 10  9  8  6  8
Clouds              OV OV B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 SC B1 B2
PoP 12hr                     50          50          30          30          10
QPF 12hr                   0.03        0.04           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                 C  C  C  C  C  C  S  S  S  C
Snow                                               C  C  C                    S
Obvis                   F  F  F  F PF
Wind chill          29 30 31             35 30 26 22 17 19 23 27 25 19 18 16 13
Min chill        31    26    29    30    35    24    16    15    24    16    12


Date           03/02/17  Fri 03/03/17  Sat 03/04/17  Sun 03/05/17  Mon 03/06/17
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      15    39      27    52      32    55      32    44
Temp          33 29 20   17 36 36 30   29 50 48 37   34 53 51 39   32 43 41
Dewpt         21 19 14   12 18 23 23   25 36 38 33   31 38 40 34   29 31 28
PWind dir        NW      NW     S       S    SW      SW    SW      SW    NW
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    B1 B1 SC   FW SC B1 SC   SC SC SC SC   SC B1 B1 B1   B1 B1 B1
PoP 12hr         20       0    20       5     0       0     5      20    40
Rain                                                                S  C  S
Snow           S  S          S                                      S  C

$$
IAZ049-281000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
651 PM CST Mon Feb 27 2017

Date           02/27/17      Tue 02/28/17            Wed 03/01/17            Thu
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                      42          54          31          39          24
Temp                43 43 44 46 49 54 52 47 39 37 34 31 34 36 39 35 30 28 26 24
Dewpt               33 37 41 43 46 47 45 40 37 34 32 30 29 27 27 25 26 24 24 22
RH                  67 79 89 89 89 77 77 76 92 89 92 96 82 69 62 66 85 85 92 92
Wind dir            SE SE  S SE  S SW NW NW NW NW NW NW NW NW NW NW  W  W  W SW
Wind spd            10 10  9 10 10 11 11 10 11 11 11 13 14 18 17 12  9  9  6  8
Wind gust                                               25
Clouds              OV OV B2 OV OV OV OV OV OV OV OV OV OV B2 B1 B1 SC SC SC B1
PoP 12hr                     50          30          30          30           0
QPF 12hr                   0.05        0.05        0.02           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                 C  C  C  C  C  C  C  C  C  C  C     C
Snow                                                  C  C
Obvis                  PF  F  F  F PF
Wind chill          37 37                   32 29 25 21 24 26 30 26 22 19 18 16
Min chill              36    36                29    19    20    26    19    15


Date           03/02/17  Fri 03/03/17  Sat 03/04/17  Sun 03/05/17  Mon 03/06/17
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      18    42      29    57      36    60      36    47
Temp          38 33 23   20 39 40 32   32 55 53 41   38 58 55 43   36 46 44
Dewpt         22 20 16   15 18 22 23   27 37 38 35   34 41 42 36   33 32 29
PWind dir         W      NW     S       S    SW      SW    SW      SW    NW
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    B1 B1 SC   FW SC B1 SC   FW SC SC FW   SC SC B1 B1   B1 B1 B1
PoP 12hr         10       0     5       5     0       0    20      30    30
Rain              S                                         S  C    S  C
Snow                                                                S  C

$$
IAZ086-281000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
651 PM CST Mon Feb 27 2017

Date           02/27/17      Tue 02/28/17            Wed 03/01/17            Thu
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                      47          66          36          44          27
Temp                50 49 49 51 56 64 65 59 49 44 39 36 37 40 44 40 34 31 29 27
Dewpt               33 40 45 49 52 52 49 46 42 39 35 33 31 28 26 25 25 25 24 22
RH                  52 71 86 93 86 65 56 62 77 82 85 89 79 62 49 55 69 78 81 81
Wind dir            SE  S  S  S  S SW SW NW NW NW NW NW NW NW NW NW  W  W  W SW
Wind spd            10 11 10 12 13 16 12  9 10 12 13 14 17 20 19 12  8  9  8  8
Wind gust                                               27
Clouds              OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC FW FW FW SC
PoP 12hr                     40          40          60          40           0
QPF 12hr                   0.04        0.10        0.17        0.03           0
Snow 12hr                 00-00       00-00       00-00
Rain                 C  C  C  S  S  C  C  L  L  C  C  C  C
Tstms                   S  C  S  S  C  C
Obvis                  PF PF  F PF
Wind chill                                     38 31 27 27 31 36 33 27 24 21 19
Min chill                                      36    27    26    32    23    18


Date           03/02/17  Fri 03/03/17  Sat 03/04/17  Sun 03/05/17  Mon 03/06/17
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      22    46      35    63      41    65      40    52
Temp          44 39 26   24 43 44 37   38 60 59 47   42 62 61 48   40 51 50
Dewpt         22 20 18   16 17 22 25   30 36 37 39   38 44 44 41   36 34 31
PWind dir         W      NW     S       S    SW      SW    SW      SW    NW
Wind char        GN      LT    GN      GN    BZ      GN    GN      GN    BZ
Avg clouds    SC SC FW   FW SC B1 SC   FW SC SC SC   SC SC B1 B1   B1 B1 B1
PoP 12hr         10       0     0       5     5       5    30      40    40
Rain              S                                         C  C    C  C

$$



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