Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
221 PM CST Mon Feb 27 2017

IAZ060-281000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
221 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          56 51 46 45 48 50 49 57 56 51 44 40 36 34 35 40 43 39 32 28 27 27
Dewpt         30 32 35 40 44 47 46 46 42 40 35 33 31 29 28 27 25 24 24 23 22 21
RH            37 48 65 82 86 89 89 67 59 66 70 76 82 82 75 59 49 54 72 81 81 78
Wind dir       S SE SE SE  S  S SW  W  W NW NW NW NW NW NW NW NW NW  W  W  W  W
Wind spd      11  8  9  8  8 10  9 10 10 10 11 10 10 12 12 16 16 11  8  8  6  9
Wind gust                                               23 26 26
Clouds        B1 B2 OV OV OV B2 B2 OV OV OV OV OV OV OV B2 B1 B1 SC FW FW FW SC
PoP 12hr                     30          20          40          20           0
QPF 12hr                   0.04        0.01        0.06        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain                 C  C  C  S  S  S  S  C  C  C  C     S
Snow                                                  S  S
Obvis                     PF
Wind chill                                     33 28 25 27 32 35 32 25 20 19 19
Min chill                                      32    24    25    30    18    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          42      21    45      34    62      40    64      38    52
Temp          41 36 24   21 40 41 35   37 59 58 44   42 61 59 45   38 51 49
Dewpt         21 18 15   14 18 21 24   28 35 36 35   35 40 40 39   33 26 23
PWind dir        NW      NW     S       S    SW      SW     S      SW    NW
Wind char        GN      LT    GN      GN    GN      LT    GN      GN    GN
Avg clouds    SC SC FW   FW SC B1 SC   FW FW FW SC   SC SC B1 B1   B1 SC SC
PoP 12hr         20       0     0       0     0       0    10      30     5
Rain              S                                                 C

$$
IAZ039-281000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
221 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          39          24
Temp          49 44 42 41 43 43 44 52 52 47 42 38 34 33 33 36 39 35 29 25 24 24
Dewpt         36 36 36 38 40 41 44 47 45 42 36 34 31 29 27 27 27 26 25 24 23 21
RH            61 73 79 89 89 93100 83 77 83 79 85 89 85 78 69 62 69 85 96 96 88
Wind dir       S SE SE SE SE SE  S SW  W NW NW NW NW NW NW NW NW NW  W  W  W  W
Wind spd      10  8 11 11  6  8  9  9 10  8 10 10 10 11 12 13 13 10  8  8  6  6
Wind gust                                                  24 25
Clouds        B1 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC SC SC B1
PoP 12hr                     60          50          20          30           5
QPF 12hr                   0.14        0.09        0.04        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain                 C  C  C  C  C  S  S  S  S  S  S
Snow                                                  C  C
Tstms                   S
Obvis                   F  F
Wind chill          36 35                   36 31 27 24 24 27 30 28 20 16 16 16
Min chill        38    34    35    37          30    23    23    26    13    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          36      18    40      28    56      35    58      35    45
Temp          34 31 21   18 34 35 29   31 54 52 40   37 56 52 39   35 45 41
Dewpt         22 18 16   14 17 21 23   26 36 37 33   32 39 40 37   34 28 24
PWind dir        NW      NW    SW       S    SW      SW     S      SW     W
Wind char        GN      LT    GN      GN    GN      LT    GN      GN    GN
Avg clouds    B1 B1 SC   FW SC B1 B1   SC SC SC SC   SC SC B1 B1   B1 B1 B1
PoP 12hr         20       5     5       5     0       0    10      40    30
Rain              S                                            S    C  C  C
Snow              S                                                 C  C

$$
IAZ048-281000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
221 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          41          25
Temp          51 46 42 42 43 45 45 52 52 46 42 38 33 32 33 37 41 37 30 26 25 26
Dewpt         34 35 36 38 41 44 44 45 43 40 34 32 30 28 27 27 27 26 24 23 22 21
RH            52 65 79 86 93 96 96 77 71 79 73 79 89 85 78 67 57 64 78 88 88 81
Wind dir       S SE SE SE SE  S SW  W NW NW NW NW NW NW NW NW NW NW  W  W  W  W
Wind spd      10  8  9  9  6  6  8 10 10  9 11 10 10 12 12 14 14 11  8  8  5  8
Wind gust                                                  25 25
Clouds        B1 B2 OV OV OV OV B2 OV OV OV OV OV OV OV B2 B2 B1 SC SC FW SC B1
PoP 12hr                     40          30          20          20           0
QPF 12hr                   0.07        0.01        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                 C  C  C  C  C  S  S  S  S  S  S
Snow                                                  S  S                    S
Tstms                   S
Obvis                      F
Wind chill                                  36 31 25 23 24 28 33 29 22 17 17 17
Min chill              36    36    39          31    23    23    28    16    16


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      19    42      31    59      37    61      36    48
Temp          36 33 22   19 37 37 31   34 57 53 41   39 58 55 42   36 47 45
Dewpt         21 18 16   14 19 22 24   27 37 37 33   34 40 41 39   31 27 25
PWind dir        NW      NW     S       S    SW      SW     S      SW    NW
Wind char        GN      LT    GN      GN    GN      LT    GN      GN    GN
Avg clouds    B1 SC SC   FW SC B1 SC   FW FW FW SC   SC SC B1 SC   B1 B1 B1
PoP 12hr         30       5     0       5     0       0    10      30    10
Rain              C                                                 C
Snow           S  C

$$
IAZ004-281000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
221 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          39          26          36          20
Temp          40 37 35 35 34 34 34 38 39 37 35 31 29 27 29 34 36 32 23 21 20 20
Dewpt         29 31 33 33 33 34 34 35 35 33 30 28 26 24 23 24 24 23 22 19 18 17
RH            64 79 92 92 96100100 89 85 85 82 88 88 88 78 66 61 69 96 92 92 88
Wind dir       S SE SE  S  S  E NW NW NW NW  N  N  N NW NW NW  W NW NW  W SW NW
Wind spd      12  9  9  9  8  4  8 10 12 12 13 13 11 13 11 13 14 12  9  8  8 11
Clouds        B1 B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 B1 B1 SC SC B1 B1
PoP 12hr                     30          40          10          10          20
QPF 12hr                      0        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                 S  S     C  C
Snow                                                                    S  S  S
Obvis                      F
Wind chill    27 28 27 28 27 28 27 31 31 29 26 21 19 16 19 25 27 23 13 11 10  8
Min chill        25    26    25    26    28    21    16    17    21     9     7


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          31      15    38      27    51      32    53      30    40
Temp          28 26 17   15 33 34 30   30 49 47 36   34 51 48 37   30 39 37
Dewpt         16 15 10   11 17 23 23   25 31 34 29   28 33 35 33   26 23 22
PWind dir        NW       W     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   SC SC SC SC   SC SC SC B1   B1 B1 B1
PoP 12hr         20       0    10       5     0       0     5       5    50
Rain                                                                   C  C
Snow           S  S                                                    C

$$
IAZ035-281000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
221 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                      38          46          29          39          23
Temp          43 41 38 37 38 38 39 45 45 41 38 34 31 30 31 37 39 35 26 23 23 23
Dewpt         31 33 34 35 36 38 38 40 39 36 32 30 28 26 25 26 26 25 24 22 21 19
RH            62 73 85 92 92100 96 82 79 82 79 85 88 85 78 64 59 66 92 96 92 84
Wind dir      SE SE SE SE SE SE SW  W NW NW NW  N NW NW NW NW NW  W  W  W SW  W
Wind spd       9  8  9  9  6  6  6  9 10  9 10 12 11 11 12 14 16 10 10  8  6  9
Clouds        B2 B2 OV B2 OV OV OV OV OV OV OV OV OV OV B2 B1 B1 SC SC SC B1 B1
PoP 12hr                     30          30          10          10           5
QPF 12hr                   0.02        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                 S  C  C  C  C
Snow                                                                          S
Obvis                      F
Wind chill    36 33 31 31 32          39 35 31 26 22 21 21 28 30 27 16 14 15 13
Min chill        33    30    30    33    34    25    20    20    26    13    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          36      18    41      29    56      35    59      34    45
Temp          34 30 21   18 35 36 31   32 54 51 39   37 57 53 40   34 44 42
Dewpt         21 18 14   12 19 24 24   26 36 37 31   30 40 39 35   29 26 25
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 SC   SC SC SC SC   B1 B1 B1
PoP 12hr         30       5     5       5     0       0     5      20    20
Rain              C                                                 S  S
Snow           S  C                                                 S  S

$$
IAZ094-281000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
221 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          33          45          26
Temp          58 52 47 47 49 49 49 60 63 55 48 42 37 34 36 41 45 39 32 29 28 26
Dewpt         30 34 39 44 48 49 48 46 42 40 36 34 31 29 28 26 25 22 22 21 21 20
RH            34 50 74 89 96100 96 60 46 57 63 73 79 82 72 55 45 50 66 72 75 78
Wind dir      SE SE SE  S  S  S SW SW  W NW  N NW NW NW NW NW NW NW  W  W  W  W
Wind spd      12  9 10 10 10 13 12 12 10 11 12 11 11 13 14 18 18 12  9  8  8 10
Clouds        SC B2 OV OV OV B2 B2 B2 B2 B2 OV OV OV OV B1 B1 SC SC FW CL FW SC
PoP 12hr                     30          20          50          20           0
QPF 12hr                   0.03           0        0.10           0           0
Snow 12hr                 00-00       00-00       00-00
Rain              S  C  C  S  S  S  S  S  C  C  C  C  S  S
Snow                                                     S
Tstms                S  S
Obvis                      F
Wind chill                                     36 29 25 27 32 37 31 24 21 20 17
Min chill                                      36    25    25    31    20    16


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      21    47      36    63      42    65      39    55
Temp          42 39 26   21 41 42 38   37 60 60 47   43 62 60 49   39 53 51
Dewpt         20 18 17   14 17 21 25   27 33 34 35   36 41 41 40   33 25 22
PWind dir         W      NW     S       S    SW      SW     S      SW    NW
Wind char        GN      LT    GN      GN    BZ      GN    GN      GN    BZ
Avg clouds    SC FW FW   FW SC B1 SC   FW FW SC SC   SC SC B1 SC   SC SC SC
PoP 12hr          5       0     0       0     0       0     5      20     0
Rain                                                                S

$$
IAZ017-281000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
221 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          44          27          36          21
Temp          40 38 36 36 38 36 38 43 44 41 36 34 29 28 30 34 36 32 25 21 21 21
Dewpt         33 34 34 34 36 36 38 40 39 37 32 30 27 26 25 26 26 25 24 21 20 19
RH            76 85 92 92 92100100 89 82 85 85 85 92 92 81 72 67 75 96100 96 92
Wind dir      SE SE SE SE SE SE  S  W NW NW NW  N  N NW NW NW NW NW NW  W  W  W
Wind spd       9  9 10 10  8  5  6  8 10 10 12 13 11 14 13 14 13 10  9  9  6  8
Clouds        B1 B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 SC SC B1 B1
PoP 12hr                     50          50          20          20          20
QPF 12hr                   0.03        0.02           0           0           0
Snow 12hr                 00-00       00-00       00-00
Frzg rain                                          S  S
Rain                 S  C  C  C  C  S  S        S  S
Snow                                                     S              S  S  S
Obvis                   F  F
Wind chill    29 29 29 29 32          38 34 28 25 19 17 19 24 27 24 16 11 12 11
Min chill        26    27    28    30    33    23    16    16    23    11    11


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          32      15    38      27    52      32    54      31    41
Temp          29 27 18   15 31 33 28   29 50 47 37   34 52 47 34   32 41 37
Dewpt         19 17 12   11 17 22 23   26 34 36 31   28 37 38 34   29 26 25
PWind dir        NW      NW     S       S    SW      SW    SE       S     W
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    B1 B1 SC   FW SC B1 B1   SC SC SC SC   SC B1 B1 B1   B1 B1 B1
PoP 12hr         20       5    10       5     0       0     5      20    50
Rain                                                                   C  C
Snow           S  S                                                 S  C

$$
IAZ049-281000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
221 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          54          31          39          24
Temp          51 46 42 42 44 45 45 53 53 48 42 37 33 32 33 36 39 34 27 25 24 25
Dewpt         33 33 35 39 41 44 45 46 43 40 35 33 30 28 27 27 26 25 24 23 22 20
RH            50 60 76 89 89 96100 77 69 74 76 85 89 85 78 69 59 69 88 92 92 81
Wind dir       S SE SE SE SE SE  S SW  W NW NW NW NW NW NW NW NW NW  W  W  W  W
Wind spd      12  9 12 11  8  9 10 12 11 10 12 11 11 13 13 16 16 12  9  9  8  9
Wind gust                                                     26
Clouds        B1 B2 OV OV OV OV B2 OV OV OV OV OV OV OV OV B2 B1 B1 SC FW SC B1
PoP 12hr                     50          40          30          30           0
QPF 12hr                   0.08        0.02        0.04        0.02           0
Snow 12hr                 00-00       00-00       00-00
Frzg rain                                          S
Rain                 C  C  C  C  C  S  S  C  C  S  S
Snow                                                  C  C
Tstms                   S
Obvis                  PF  F
Wind chill       39 35 35                   35 29 24 22 23 27 30 25 18 16 15 16
Min chill        39    34    36    38          29    21    21    25    14    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          38      18    40      28    58      36    60      35    47
Temp          36 32 22   18 35 35 29   31 55 54 41   38 58 53 40   35 47 41
Dewpt         21 19 16   13 17 21 22   27 36 36 33   32 39 41 37   33 27 24
PWind dir        NW      NW     S       S    SW      SW     S      SW     W
Wind char        GN      GN    GN      GN    BZ      GN    GN      GN    BZ
Avg clouds    B1 B1 SC   FW SC B1 SC   SC FW SC SC   SC SC B1 B1   B1 B1 B1
PoP 12hr         20       5     5       5     0       0    10      30    10
Rain              S                                                 C
Snow              S                                                 C

$$
IAZ086-281000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
221 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          35          44          26
Temp          57 51 48 48 50 51 53 62 66 59 50 43 39 37 36 41 44 41 32 29 27 27
Dewpt         32 33 37 43 47 50 51 50 46 44 39 37 34 32 29 28 26 25 24 23 23 21
RH            38 50 65 83 89 96 93 65 48 57 66 79 82 82 75 59 49 52 72 78 85 78
Wind dir      SE SE SE  S  S  S  S SW  W NW NW NW NW NW NW NW NW NW  W  W  W SW
Wind spd      12  9 12 12 11 12 13 14 12  9 11 11 12 13 14 18 17 12  9 10  8  9
Wind gust                       24                      25    27
Clouds        SC B2 OV OV OV OV B2 B2 OV OV OV OV OV OV B2 B2 B1 SC SC FW FW SC
PoP 12hr                     40          30          60          40           0
QPF 12hr                   0.05        0.01        0.41        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain              S  C  C  C  S  S  C  C  L  L  C  C  C  C
Snow                                                     C
Tstms                S  S
Obvis                     PF
Wind chill                                     37 32 28 27 32 36 33 24 20 19 18
Min chill                                      36    28    26    31    20    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    45      34    63      41    64      39    52
Temp          41 38 25   21 40 41 34   36 60 60 48   42 61 60 46   39 50 49
Dewpt         21 19 16   15 17 20 24   28 35 35 35   37 41 41 40   39 29 24
PWind dir         W      NW     S       S    SW      SW    SW      SW     W
Wind char        GN      LT    GN      GN    BZ      GN    GN      GN    BZ
Avg clouds    SC SC FW   FW SC B1 SC   SC FW SC SC   SC SC B1 B1   B1 B1 SC
PoP 12hr         20       5     0       5     0       0    30      40    10
Rain              S                                         C  S    C

$$



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