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Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
407 AM CDT Tue Apr 25 2017

IAZ060-252200-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
407 AM CDT Tue Apr 25 2017

Date             Tue 04/25/17            Wed 04/26/17            Thu 04/27/17
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      70          48          51          38          56
Temp             55 61 69 70 68 64 59 53 49 48 51 51 51 46 43 40 38 44 50 54 56
Dewpt            42 46 49 52 53 54 51 47 43 43 43 42 39 37 36 35 34 35 36 38 37
RH               61 58 49 53 59 70 75 80 80 83 74 71 63 71 76 82 85 70 58 54 49
Wind dir         SE SE SE  S  S  S NW NW NW NW NW NW NW NW NW NW NW NW  W  W  W
Wind spd          6  8 10 10  6  5  8 11 10 12 11 12 12 11 10 10 11 11 11  9  6
Wind gust              20 20
Clouds           OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 SC B1
PoP 12hr                     40          50          50          40          10
QPF 12hr                   0.02        0.14        0.08           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C        C  C  C  C  C  C  C  C  C  C
Tstms                         C  S
Wind chill                                                 37 33 31 38
Min chill                                                  37    31    32


Date          Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          43    59      44    53      41    48      38    58
Temp          47 44 54 59   50 44 52 52   46 41 47 47   42 38 52 57
Dewpt         40 39 45 45   42 39 40 39   40 38 38 37   36 34 36 39
PWind dir         E    NE       N    NE      NE     N      NW    NW
Wind char        LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B2 OV B2   B2 B2 OV OV   OV OV OV OV   B2 B1 SC SC
PoP 12hr         10    40      20    50      70    50      30     5
Rain shwrs        S  C  C    S     C  C    L  L  C  C    C

$$
IAZ039-252200-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
407 AM CDT Tue Apr 25 2017

Date             Tue 04/25/17            Wed 04/26/17            Thu 04/27/17
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      73          53          56          37          51
Temp             53 60 69 73 71 62 59 58 53 55 55 56 53 47 43 40 37 41 46 51 50
Dewpt            38 42 46 46 49 54 53 55 52 50 49 47 44 39 37 35 34 35 35 36 35
RH               57 51 44 38 46 75 80 90 96 83 80 72 71 74 79 82 89 79 65 56 56
Wind dir         SE SE SE SE SE SE SE  S  W  W NW NW NW NW NW NW NW NW  W  W  W
Wind spd          9  8  9 12  8  6  6  6  6  9 10 11 11 10 10 11 11 11 11 10  8
Clouds           OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B1
PoP 12hr                     50          70          60          50          30
QPF 12hr                   0.03        0.17        0.16        0.12        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C  C     C  L  C  C  L  L  C  C  C  C  C  C  C  C
Tstms                         C  C  S
Wind chill                                                 37 33 29 34
Min chill                                                  37    29    30


Date          Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          38    57      41    52      40    49      37    54
Temp          41 39 56 56   46 41 50 51   43 40 46 48   41 37 49 53
Dewpt         37 36 41 42   40 36 38 38   39 37 38 38   35 34 35 38
PWind dir        NE    NE      NE    NE      NE     N      NW    NW
Wind char        LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B2 B2 B2   B2 B2 OV OV   OV OV OV OV   OV B2 B1 SC
PoP 12hr         10    40      20    50      70    50      40    10
Rain shwrs           C  C    S     S  C    L  L  C  C    C  C

$$
IAZ048-252200-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
407 AM CDT Tue Apr 25 2017

Date             Tue 04/25/17            Wed 04/26/17            Thu 04/27/17
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      68          47          50          37          53
Temp             53 59 67 68 67 61 57 51 48 47 49 50 48 45 42 39 37 42 47 52 53
Dewpt            43 46 48 49 53 53 49 47 43 43 42 42 39 37 36 34 33 34 35 36 36
RH               69 62 50 51 61 75 75 86 83 86 77 74 71 73 79 82 85 73 63 54 52
Wind dir         SE SE SE SE SE SE  W NW NW NW NW NW NW NW NW NW NW NW  W  W  W
Wind spd          5  8  9  9  6  4  8 11 10 12 12 13 13 11 11 11 11 11 11  9  6
Clouds           OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 SC B1
PoP 12hr                     60          60          50          30          10
QPF 12hr                   0.05        0.13        0.08           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                       S
Rain shwrs           C        C  L  C  C  C  C  C  C  C  C
Tstms                         C  S
Wind chill                                              39 35 32 29 36
Min chill                                                  33    28    29


Date          Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          40    57      42    51      40    48      37    56
Temp          44 41 53 56   48 42 49 51   44 40 46 47   41 37 51 55
Dewpt         38 38 43 43   40 37 38 38   39 37 37 37   35 33 35 38
PWind dir        NE    NE       N    NE      NE     N      NW    NW
Wind char        LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B2 B2 B2   B2 B2 OV OV   OV OV OV OV   OV B2 SC SC
PoP 12hr         10    40      20    40      60    60      40     5
Rain shwrs           C  C    S     C  C    L  L  C  L    C

$$
IAZ004-252200-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
407 AM CDT Tue Apr 25 2017

Date             Tue 04/25/17            Wed 04/26/17            Thu 04/27/17
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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          38          42          32          48
Temp             48 50 54 54 52 48 47 41 38 40 42 42 40 36 34 33 32 37 42 47 47
Dewpt            42 41 43 44 44 42 40 38 36 36 36 35 33 32 32 30 29 30 31 32 31
RH               80 71 66 69 74 80 76 89 92 85 79 76 76 85 92 89 88 75 65 56 53
Wind dir          N  N  N  N  N  N  N NW NW NW NW NW NW NW  N NW NW NW NW NW NW
Wind spd         11 11 11 13 14 14 17 17 16 18 17 17 17 14 13 12 13 13 12 11 10
Wind gust                                         27
Clouds           OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B2 SC B1
PoP 12hr                     80          80          60          30          10
QPF 12hr                   0.40        0.31        0.13           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                    D  L
Rain shwrs           C        D  D  L  L  L  L  C  C  C  C  C  C
Wind chill                            32 29 31 33 34 31 26 25 24 22 29 35
Min chill                                28    28    30    24    22    23    36


Date          Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          33    51      35    49      35    46      34    55
Temp          36 34 50 50   40 35 46 47   39 35 44 45   37 35 51 53
Dewpt         33 31 34 33   33 31 32 32   32 31 32 32   31 29 34 35
PWind dir         N     N       N    NE      NE     N       N    NW
Wind char        LT    GN      GN    BZ      GN    BZ      GN    GN
Avg clouds    B1 B1 B1 B2   B2 B2 B2 B2   B2 OV OV OV   B2 B1 SC SC
PoP 12hr          5    40      20    30      50    50      30     5
Rain shwrs           C  C    S     S  C    C  C  C  C    C
Snowshwrs            C             S          C  C

$$
IAZ035-252200-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
407 AM CDT Tue Apr 25 2017

Date             Tue 04/25/17            Wed 04/26/17            Thu 04/27/17
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      62          43          46          34          52
Temp             54 57 61 62 61 56 51 45 44 43 45 46 44 39 37 35 34 40 45 50 52
Dewpt            41 46 49 51 48 47 44 42 39 39 40 39 37 35 33 32 30 32 33 34 34
RH               61 67 65 67 62 72 77 89 82 86 82 76 76 85 85 89 85 73 62 54 50
Wind dir         SE  E  E NE NE NE NW NW NW NW NW NW NW NW NW NW NW NW  W  W NW
Wind spd          6  8  9 10  9  8 11 14 12 16 14 14 13 11 11 11 11 12 11  9  6
Wind gust                    20
Clouds           OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 SC B1
PoP 12hr                     70          60          50          30          10
QPF 12hr                   0.16        0.11        0.11           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           L  C  C  C  L  C  C  C  C  C  C  C  C
Wind chill                            38 38 36 39    37 32 29 27 26 32 39
Min chill                                36    35    37    29    25    27


Date          Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          37    54      39    50      38    46      35    56
Temp          40 38 52 54   44 39 48 49   42 38 43 45   38 35 50 55
Dewpt         36 35 40 38   36 33 36 35   36 34 35 34   34 30 34 37
PWind dir        NE    NE       N    NE      NE     N      NW    NW
Wind char        LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B1 B2 B2   B2 B2 B2 OV   OV OV OV OV   OV B1 SC SC
PoP 12hr         10    40      20    40      50    60      40     5
Rain shwrs           C  C    S     S  C    C  C  L  L    C

$$
IAZ094-252200-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
407 AM CDT Tue Apr 25 2017

Date             Tue 04/25/17            Wed 04/26/17            Thu 04/27/17
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      71          48          52          38          57
Temp             54 62 68 71 69 64 59 53 49 49 51 52 50 46 43 40 38 44 51 56 56
Dewpt            43 46 51 54 56 54 52 49 44 44 43 43 39 38 37 35 34 36 37 38 39
RH               66 56 54 55 63 70 78 86 83 83 74 71 66 73 79 82 85 73 59 51 53
Wind dir         SE  S SE  S SE SE NW NW NW NW NW NW NW NW NW NW NW  W  W  W SW
Wind spd          8 10 11 11  6  5  8 11 12 13 13 13 14 11 11 10 11 11 11  8  5
Clouds           OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 SC SC B1 B2
PoP 12hr                     40          60          50          50           5
QPF 12hr                      0        0.19        0.12        0.10           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C           C  L  C  C  C  C  C  C  C  C  C  C
Tstms                         C  C  S  S
Wind chill                                                 37 33 31 38
Min chill                                                  37    31    32


Date          Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          46    62      45    54      43    50      39    58
Temp          49 46 56 60   50 45 53 53   47 43 48 49   43 39 53 57
Dewpt         42 43 48 47   44 41 43 42   41 40 39 38   36 34 39 40
PWind dir        SE     E       N    NE       N     N      NW     W
Wind char        LT    GN      LT    GN      GN    GN      GN    GN
Avg clouds    B2 B2 OV B2   B2 B2 OV OV   OV OV OV OV   B2 B1 SC SC
PoP 12hr         40    50      50    70      70    40      20     5
Rain shwrs        C  C  C    S  C  L  L    L  C  C  C    S

$$
IAZ017-252200-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
407 AM CDT Tue Apr 25 2017

Date             Tue 04/25/17            Wed 04/26/17            Thu 04/27/17
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      63          46          49          34          47
Temp             51 56 60 63 60 56 54 52 48 46 49 49 46 41 38 35 34 39 44 46 46
Dewpt            39 43 48 50 50 49 49 49 45 43 43 42 39 35 34 33 31 33 33 34 33
RH               63 62 64 62 69 77 83 89 89 89 80 77 76 79 85 92 89 79 65 63 60
Wind dir          S SE  E  E  E  E NW NW NW NW NW NW NW NW NW NW NW NW  W  W NW
Wind spd          8  8  5 10 10  9  9 10 11 14 13 14 14 12 12 12 13 14 13 11  9
Clouds           OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B1
PoP 12hr                     70          70          60          40          20
QPF 12hr                   0.18        0.16        0.12        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain                    L
Rain shwrs           C  C  C  C  L  L  C  L  L  C  C  C  C  C  C  S  S
Tstms                         S
Wind chill                                              34 30 26 25 31 37
Min chill                                            37    30    24    25    38


Date          Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          34    52      37    49      37    46      34    54
Temp          36 35 51 51   41 37 45 48   40 37 44 45   37 34 48 52
Dewpt         34 32 38 37   36 33 35 35   35 33 35 35   33 31 35 36
PWind dir         N    NE       N    NE      NE     N       N    NW
Wind char        LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B1 B1 B2   B2 B2 B2 OV   OV OV OV OV   OV B2 B1 SC
PoP 12hr          5    40      30    30      60    60      50    10
Rain shwrs           S  C    C     S  C    C  L  L  L    C  S
Snowshwrs            S                                      S

$$
IAZ049-252200-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
407 AM CDT Tue Apr 25 2017

Date             Tue 04/25/17            Wed 04/26/17            Thu 04/27/17
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      70          51          53          37          52
Temp             51 59 67 70 67 62 58 56 52 51 53 53 49 46 42 39 37 42 47 52 51
Dewpt            39 43 47 48 51 53 52 52 47 46 46 44 41 38 36 35 34 34 35 36 35
RH               63 55 49 45 56 72 80 86 83 83 77 71 74 73 79 85 89 73 63 54 54
Wind dir         SE SE SE SE SE SE  S  W NW NW NW NW NW NW NW NW NW NW  W  W  W
Wind spd          8 10 11 13  8  6  8  9  9 12 12 13 13 12 12 11 12 12 13 10  8
Clouds           OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 B2 B1 B1
PoP 12hr                     50          60          60          40          10
QPF 12hr                   0.03        0.15        0.11        0.08           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C        C  L  C  C  L  C  C  C  C  C  C  C
Tstms                         C  C  S
Wind chill                                                 35 32 29 35
Min chill                                                  34    28    29


Date          Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          39    57      41    51      40    48      37    55
Temp          42 40 55 55   47 41 49 50   44 40 46 46   40 37 50 54
Dewpt         38 37 43 43   40 37 39 38   39 37 38 37   35 34 34 38
PWind dir        NE    NE      NE    NE      NE     N      NW    NW
Wind char        LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B2 B2 B2   B2 B2 OV OV   OV OV OV OV   OV B2 B1 SC
PoP 12hr         10    40      20    50      70    50      40     5
Rain shwrs           C  C    S     C  C    L  L  C  C    C  S

$$
IAZ086-252200-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
407 AM CDT Tue Apr 25 2017

Date             Tue 04/25/17            Wed 04/26/17            Thu 04/27/17
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      74          55          58          39          56
Temp             52 62 71 73 72 66 62 60 56 55 58 58 55 52 47 43 39 44 49 55 56
Dewpt            39 44 47 50 53 55 54 57 52 50 49 48 45 41 39 37 36 37 38 39 40
RH               61 52 42 44 51 68 75 90 86 83 72 69 69 66 74 79 89 76 66 55 55
Wind dir          S  S SE  S SE SE  S SW  W  W  W NW NW NW NW NW NW  W  W  W  W
Wind spd         11 11 14 13  9  8  6  8  9 12 11 11 12 11 12 11 12 12 12 10  8
Clouds           B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 SC B1
PoP 12hr                     30          70          60          60          20
QPF 12hr                      0        0.26        0.33        0.31        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C        C  L  L  L  L  L  L  L  L  L  C  C  S  S
Tstms                         C  C  C  C
Wind chill                                                    37 31 38
Min chill                                                        31    33


Date          Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          45    63      46    55      44    51      40    57
Temp          48 45 57 63   52 46 54 54   48 44 49 50   44 40 51 56
Dewpt         41 42 47 48   45 42 44 43   42 41 42 39   37 37 36 40
PWind dir        SE    SE      NW    NE      NE     N      NW     W
Wind char        LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B2 OV B2   B2 B2 OV OV   OV OV OV OV   B2 B2 B1 SC
PoP 12hr         20    50      30    70      70    40      30     5
Rain shwrs        S  C  C    S  C  C  L    L  L  C  C    C
Tstms                                         S

$$



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