Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
507 PM CST Mon Feb 20 2017

IAZ060-211000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
507 PM CST Mon Feb 20 2017

Date           02/20/17      Tue 02/21/17            Wed 02/22/17            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                      40          72          45          74          40
Temp             61 57 51 44 40 47 67 72 64 56 52 47 45 53 68 73 65 54 47 42 40
Dewpt            55 51 45 41 37 39 42 42 42 41 40 39 38 40 42 42 41 40 39 38 37
RH               81 80 80 89 89 74 40 34 45 57 63 74 76 61 39 33 41 59 74 86 89
Wind dir         SW  W NW NW NW  W SW SW SW SW SW SW  S  S SW SW  W NW NW  N  N
Wind spd          4  6  8  5  3  3  6 10  8  8  8  6  6  8 13 14  8  6  6  6  8
Wind gust                                                  25
Clouds           OV B2 SC FW FW FW FW FW CL CL FW FW FW FW FW FW FW CL FW SC B1
PoP 12hr                     50           0           0           0           0
QPF 12hr                   0.03           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  S
Tstms


Date           02/23/17  Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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          54      37    42      22    32      20    38      26    40
Temp          51 51 43   38 41 39 29   23 29 28 22   20 34 35 28   26 38 38
Dewpt         38 39 39   36 34 27 23   18 18 17 15   16 23 24 23   23 28 27
PWind dir        NE      NE     N      NW    NW       N    SE      NE    NE
Wind char        GN      BZ    BZ      BZ    GN      LT    GN      LT    GN
Avg clouds    B2 B2 OV   OV B2 B2 B2   B2 B1 SC SC   B1 B1 B1 B2   B2 B2 B2
PoP 12hr         40      90    80      60    10       5    40      40    30
Rain              C  D    D  L  D  L                        C  C       C  S
Snow                               L    C                C  C  C       C
Tstms                     S

$$
IAZ039-211000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
507 PM CST Mon Feb 20 2017

Date           02/20/17      Tue 02/21/17            Wed 02/22/17            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          65          40          68          38
Temp             57 55 52 44 38 43 58 65 59 52 47 43 40 49 63 67 61 51 44 40 38
Dewpt            55 52 49 43 38 39 43 43 42 41 41 39 37 39 44 45 43 42 40 38 36
RH               93 90 89 96100 86 57 45 53 66 79 86 89 68 50 45 51 71 86 92 92
Wind dir          S SW  W NW NW  W SW SW  S SW SW SW  S  S  S SW  W  W NW NW  N
Wind spd         10  8  9  6  4  3  6 10  8  8  6  4  5  4 11 11  9  6  8  6  8
Clouds           OV OV B1 SC FW FW FW FW FW CL CL FW FW FW SC FW FW FW FW SC B1
PoP 12hr                     60           0           0           0           0
QPF 12hr                   0.15           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        L  S
Tstms
Obvis            PF PF        F  F
Wind chill                                                                   32
Min chill                    34    36                36    38          38    31


Date           02/23/17  Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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          49      35    40      21    29      17    34      22    36
Temp          46 46 39   35 39 37 28   22 27 26 19   18 31 31 22   22 34 35
Dewpt         37 38 35   34 35 30 24   19 19 17 15   14 21 24 22   21 27 26
PWind dir        NE      NE    NE      NW    NW       W    SE       E    NE
Wind char        GN      BZ    BZ      BZ    GN      LT    LT      LT    GN
Avg clouds    B2 B2 OV   OV OV OV OV   B2 B1 B1 B1   B1 B1 B1 B2   B2 B2 B2
PoP 12hr         40     100    90      70    20       5    50      30    20
Rain              C  D    D  D  D  L                                      S
Snow                      D  D     L    C  S                C  C          S
Tstms                S

$$
IAZ048-211000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
507 PM CST Mon Feb 20 2017

Date           02/20/17      Tue 02/21/17            Wed 02/22/17            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          69          42          70          39
Temp             58 54 48 41 38 44 62 69 60 53 48 44 42 50 63 69 60 51 45 40 39
Dewpt            55 51 45 40 36 38 43 45 44 42 41 39 38 40 44 43 42 41 40 38 36
RH               90 90 89 96 92 79 50 42 55 66 77 82 86 68 50 39 51 68 82 92 89
Wind dir         SW  W NW NW  W SW SW SW SW SW SW SW  S  S  S SW  W NW NW  N  N
Wind spd          9  9  9  5  3  3  9 11  9  8  6  5  5  5 12 13  8  6  8  6  8
Clouds           OV B2 SC FW FW FW FW FW CL CL FW FW FW FW FW FW FW FW FW SC B2
PoP 12hr                     50           0           0           0           0
QPF 12hr                   0.06           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C
Tstms
Obvis                        PF PF
Wind chill                                                                   33
Min chill                    34    34                38                39    32


Date           02/23/17  Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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          51      36    40      21    30      18    36      24    38
Temp          47 47 40   37 38 36 28   22 27 25 18   18 31 33 26   24 35 35
Dewpt         38 39 38   34 34 28 23   18 18 17 14   16 22 25 23   22 28 27
PWind dir        NE      NE     N      NW    NW       W    SE      NE    NE
Wind char        GN      BZ    BZ      BZ    GN      LT    LT      LT    GN
Avg clouds    B2 B2 OV   OV OV B2 B2   B1 B1 SC B1   B1 B1 B2 B2   B2 B2 B1
PoP 12hr         40      90    90      60    10       5    50      30    20
Rain              C  D    D  D  D  L                        C
Snow                         D     L    C                C  C  C       S
Tstms                     S

$$
IAZ004-211000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
507 PM CST Mon Feb 20 2017

Date           02/20/17      Tue 02/21/17            Wed 02/22/17            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          61          40          62          34
Temp             52 46 41 36 35 42 56 61 54 48 44 42 40 46 58 60 53 45 40 37 35
Dewpt            51 44 39 35 33 35 41 43 42 41 39 37 36 38 41 42 40 38 36 33 32
RH               96 93 92 96 92 76 57 51 64 77 82 82 85 73 53 51 61 76 85 85 89
Wind dir         SW NW  W  W SW  S SW SW SW SW SW SW SW SW SW  W  W NW NW  N  N
Wind spd         11 12  8  5  6 10 17 17 11  9  8  8  8  6 12 13 11 11 12 10 11
Clouds           B2 SC CL CL FW FW FW FW CL CL FW FW SC SC SC FW SC SC B1 B1 B2
PoP 12hr                     20           0           0           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                                          S
Rain shwrs        S
Tstms
Obvis                        PF
Wind chill                   29 36                                  39 33 30 27
Min chill              34    29    30          38    35    36          33    26


Date           02/23/17  Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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          41      27    31      17    26      14    30      17    33
Temp          39 39 33   29 29 28 22   18 23 22 16   14 26 26 20   17 28 29
Dewpt         31 32 30   26 24 22 18   14 15 15 12   12 19 20 15   17 23 24
PWind dir        NE      NE     N       N    NW      SW     S       N    SE
Wind char        GN      BZ    WY      BZ    GN      GN    GN      LT    GN
Avg clouds    B2 B2 OV   OV OV OV B2   B1 SC SC B1   B1 B1 B1 B1   B1 B1 B1
PoP 12hr         60     100    90      60     5       5    40       5     5
Rain           S  L  D
Snow                 D    D  D  D  L    C                S  C

$$
IAZ035-211000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
507 PM CST Mon Feb 20 2017

Date           02/20/17      Tue 02/21/17            Wed 02/22/17            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                      36          66          41          67          37
Temp             55 51 44 39 36 43 60 66 59 51 47 44 41 49 63 66 59 49 44 41 37
Dewpt            53 47 41 36 33 36 43 46 44 41 39 38 36 38 44 43 42 40 38 35 34
RH               93 86 89 89 89 76 53 48 57 68 74 79 82 66 50 43 53 71 79 79 89
Wind dir         SW  W NW  W SW  S SW SW SW SW SW SW  S  S SW  W  W NW NW  N  N
Wind spd          9  9  6  4  3  4 11 13 10  9  8  6  6  6 13 13  9  9  9  8  8
Clouds           OV B1 FW CL FW FW FW FW CL CL FW FW SC SC FW FW FW FW SC B1 B2
PoP 12hr                     40           0           0           0           0
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C
Tstms
Obvis                        PF
Wind chill                                                                   31
Min chill                    32    33                36    38          39    31


Date           02/23/17  Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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      32    35      19    27      15    33      21    35
Temp          44 44 38   34 34 31 24   19 24 23 16   15 29 29 24   21 32 32
Dewpt         35 36 34   31 30 27 21   16 17 16 13   14 22 24 19   20 27 26
PWind dir        NE      NE     N       N    NW      SW    SE      NE     E
Wind char        GN      BZ    BZ      BZ    GN      LT    LT      LT    GN
Avg clouds    B2 B2 OV   OV OV OV B2   B1 SC SC B1   B1 B1 B1 B1   B1 B2 B1
PoP 12hr         50     100   100      70     5       5    50      30     5
Rain              C  D    D     D
Snow                      D  D  D  L    C                C  C  C

$$
IAZ094-211000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
507 PM CST Mon Feb 20 2017

Date           02/20/17      Tue 02/21/17            Wed 02/22/17            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          70          45          75          41
Temp             62 58 53 47 42 49 65 70 62 55 52 48 45 53 69 74 65 56 50 44 41
Dewpt            54 50 46 43 39 41 40 39 38 38 38 38 37 40 40 39 40 39 38 37 37
RH               75 75 77 86 89 74 40 32 41 53 59 68 73 61 35 28 40 53 63 76 85
Wind dir         SW SW NW  N  N NW  W SW SW SW SW SW SW SW SW SW SW  W  N  N NE
Wind spd          9  6  8  6  5  4  5  9  6  8  8  8  8 10 16 16  6  5  6  6  9
Wind gust                                                  26
Clouds           OV B2 SC FW CL CL CL CL CL CL CL FW FW FW FW CL FW CL FW FW B1
PoP 12hr                     30           0           0           0           0
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  S
Tstms
Wind chill                                                                   35
Min chill                    38    39                39                      35


Date           02/23/17  Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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          58      39    44      23    36      22    39      27    42
Temp          53 53 46   39 43 39 30   23 33 32 25   22 34 35 30   27 39 39
Dewpt         38 40 41   38 33 25 22   18 17 17 15   17 22 24 25   24 29 28
PWind dir        NE      NE    NW      NW    NW      NE    SE      NE    NE
Wind char        GN      GN    BZ      BZ    GN      LT    GN      LT    GN
Avg clouds    B1 B2 B2   B2 B2 B2 B2   B1 SC SC SC   B1 B2 B2 B2   B2 B2 B1
PoP 12hr         50      70    50      60    10       5    40      40    50
Rain              C  L    C  C  C  L                        C  C       C  S
Snow                               L    S                C  C  C    C  C
Tstms                S    S  S

$$
IAZ017-211000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
507 PM CST Mon Feb 20 2017

Date           02/20/17      Tue 02/21/17            Wed 02/22/17            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                      36          60          40          64          35
Temp             53 50 45 39 36 41 55 60 56 50 45 41 40 47 58 63 54 46 41 37 35
Dewpt            52 49 43 38 34 37 41 44 44 43 40 38 37 39 43 44 42 41 38 35 34
RH               96 96 93 96 92 85 59 55 64 77 82 89 89 74 57 50 64 83 89 92 96
Wind dir         SW  W NW  W  W SW SW SW SW SW SW SW SW  S  S SW  W NW NW NW  N
Wind spd         11 11 11  5  4  5 11 14 10 10  8  8  6  5 11 12 10 11 10  9  9
Clouds           OV B2 SC FW FW FW FW FW FW CL FW FW SC SC SC FW FW FW SC B1 B2
PoP 12hr                     30           0           0           5           0
QPF 12hr                   0.10           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  S
Tstms
Obvis            PF    PF PF  F  F
Wind chill             39                                              35 31 28
Min chill              38    30    30          39    34    37          35    27


Date           02/23/17  Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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          44      30    33      17    26      12    30      18    33
Temp          41 40 34   31 32 30 23   18 23 21 14   13 25 25 18   18 30 29
Dewpt         34 35 32   29 29 26 20   16 17 15 12   11 20 21 16   17 25 25
PWind dir        NE      NE     N       N    NW       W     S      NE     E
Wind char        GN      BZ    WY      WY    BZ      LT    GN      LT    GN
Avg clouds    B2 B2 OV   OV OV OV B2   B1 B1 SC B1   B1 B1 B1 B1   B1 B1 B1
PoP 12hr         40     100   100      80    10       5    50      20    10
Rain              C  D
Snow                 D    D  D  D  D    C                   C  S

$$
IAZ049-211000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
507 PM CST Mon Feb 20 2017

Date           02/20/17      Tue 02/21/17            Wed 02/22/17            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          68          41          70          38
Temp             57 54 50 43 38 43 61 68 57 50 46 44 41 49 64 69 60 51 44 39 38
Dewpt            54 51 47 42 37 38 41 41 41 41 40 38 37 40 43 43 42 40 39 38 36
RH               90 90 89 96 96 82 48 37 55 71 79 79 85 71 46 39 51 66 82 96 92
Wind dir          S SW  W NW NW  W SW SW  S SW SW SW  S  S  S SW  W  W NW  N  N
Wind spd         11  8  9  5  4  3  8 11 10  9  8  5  6  8 13 16 10  8 10  8  8
Clouds           OV B2 B1 SC FW FW FW FW CL CL FW FW FW FW SC FW FW FW FW SC B1
PoP 12hr                     50           0           0           0           0
QPF 12hr                   0.10           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  S
Tstms
Obvis                         F  F
Wind chill                                                                33 31
Min chill                    34    34                35    38          37    30


Date           02/23/17  Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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          50      35    40      21    30      17    35      22    37
Temp          47 46 39   36 39 36 27   22 27 26 18   17 31 31 24   22 35 35
Dewpt         37 38 36   35 34 28 22   18 18 17 15   14 21 24 22   22 27 26
PWind dir        NE      NE     N      NW    NW       W    SE      NE    NE
Wind char        GN      BZ    BZ      BZ    BZ      LT    GN      LT    GN
Avg clouds    B2 B2 OV   OV OV B2 B2   B2 B1 SC B1   B1 B1 B2 B2   B2 B2 B2
PoP 12hr         40      90    80      60    10       5    50      30    20
Rain              C  D    D  D  D  L                        C             S
Snow                      D  D     L    C                S  C  C       S  S
Tstms                     S

$$
IAZ086-211000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
507 PM CST Mon Feb 20 2017

Date           02/20/17      Tue 02/21/17            Wed 02/22/17            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          71          45          75          41
Temp             63 59 55 49 43 48 65 71 62 54 51 48 45 54 70 74 66 56 50 44 41
Dewpt            56 54 51 46 42 42 42 40 40 39 38 38 38 41 43 41 42 41 40 39 38
RH               78 83 86 89 96 80 43 32 44 57 61 68 76 61 38 30 42 57 68 82 89
Wind dir         SW SW  W NW NW NW  W  W  S SW SW SW SW SW SW SW SW  W NW  N  N
Wind spd          8  6  8  8  5  5  5  6  6  8  8  8  8  9 14 16  9  6  6  6  8
Wind gust                                                     26
Clouds           OV OV B2 B1 FW CL CL CL CL CL FW CL FW FW FW FW FW CL FW FW B1
PoP 12hr                     60           0           0           0           5
QPF 12hr                   0.07           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        L  C
Tstms


Date           02/23/17  Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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          58      42    49      24    35      21    39      27    42
Temp          54 55 47   43 48 44 32   25 32 31 23   21 35 36 28   27 39 40
Dewpt         39 41 43   42 38 29 24   21 19 17 16   17 22 25 24   25 29 28
PWind dir        NE       E    SW      NW    NW       N    SE      NE    NE
Wind char        GN      GN    GN      BZ    BZ      LT    GN      LT    GN
Avg clouds    B1 B2 OV   B2 B1 B2 B2   B2 B1 SC SC   B1 B1 B2 B2   B2 B2 B2
PoP 12hr         50      90    50      60    10       0    50      40    50
Rain              C  D    D  C  C  L                        C  C       C  C
Snow                               L    C                C  C  C    C  C
Tstms                S    S  S  S

$$



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