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Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
636 PM CDT Tue Apr 25 2017

IAZ060-261000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
636 PM CDT Tue Apr 25 2017

Date           04/25/17      Wed 04/26/17            Thu 04/27/17            Fri
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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          51          38          57          43
Temp             69 61 58 53 48 48 51 51 50 45 41 39 38 43 50 56 56 51 48 44 43
Dewpt            51 52 50 47 43 40 40 39 37 35 34 33 32 32 34 36 36 37 39 39 38
RH               53 72 75 80 83 74 66 63 61 68 76 79 79 65 54 47 47 59 71 82 82
Wind dir          S NW NW NW NW NW NW NW NW NW NW NW NW NW  W  W  W SE  E NE NE
Wind spd          5  6 10 11 12 12 12 12 12 11  9 10  9 10 10  9  5  3  3  5  9
Clouds           OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 B1 SC SC B1 B2 B2 B2 OV
PoP 12hr                     30          20          10           5          20
QPF 12hr                   0.09        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  C  S  S  S                                         S  S  C
Tstms             S  S
Wind chill                                  39 35 32 31 37
Min chill                                      33    30    32                38


Date           04/28  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17  Tue 05/02/17
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          56      43    53      41    50      38    59      44    66
Temp          52 56   47 43 51 52   46 42 49 49   43 39 55 58   48 46 63 64
Dewpt         43 43   40 39 40 40   39 39 40 38   39 35 37 37   38 40 45 48
PWind dir        NE      NE    NE      NE     N      NW    NW      SW    SE
Wind char        GN      GN    GN      GN    GN      GN    GN      LT    LT
Avg clouds    OV OV   B2 B2 OV OV   OV OV OV OV   OV B2 B1 B1   B1 SC B1 B1
PoP 12hr         50      30    60      70    60      50    20       5    10
Rain                         C  L
Rain shwrs     C  C    C  S          L  L  L  L    C  C  S
Tstms                                         S

$$
IAZ039-261000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
636 PM CDT Tue Apr 25 2017

Date           04/25/17      Wed 04/26/17            Thu 04/27/17            Fri
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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                      52          54          36          52          38
Temp             70 62 58 56 52 54 54 53 49 43 40 37 36 41 45 51 50 45 41 39 38
Dewpt            48 53 54 53 50 45 43 41 40 38 36 34 33 33 33 33 34 35 35 35 34
RH               45 72 86 90 93 71 66 64 71 82 85 89 89 73 62 50 54 68 79 85 85
Wind dir          E  E  S SW  W  W NW NW NW NW NW NW NW NW  W  W  W NW  N NE NE
Wind spd          9  5  6  6  8 10 11 12 11 11  9 10 10 11 11 10  6  4  3  4  6
Clouds           OV OV B2 OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 SC SC B1 B1 B2
PoP 12hr                     50          50          10          10           5
QPF 12hr                   0.22        0.06           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C  C  C  C  C  S  S                                      C
Tstms                   S
Wind chill                                  37 34 30 29 33 39
Min chill                                      32    28    29          38    32


Date           04/28  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17  Tue 05/02/17
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          54      40    53      40    51      38    56      41    62
Temp          52 53   45 40 50 52   44 41 48 50   41 39 51 55   44 43 60 59
Dewpt         39 40   38 36 36 36   37 38 40 40   37 35 36 36   37 38 42 45
PWind dir        NE      NE    NE      NE     N      NW    NW      NW    NE
Wind char        GN      GN    GN      GN    GN      GN    GN      LT    LT
Avg clouds    B2 B2   B2 B2 B2 OV   OV OV OV OV   OV OV B2 B1   B1 B1 B1 B1
PoP 12hr         50      30    50      70    70      60    30      10    10
Rain                         C  C
Rain shwrs     C  C    C             L  L  L  L    L  C  C          S
Tstms                                         S    S

$$
IAZ048-261000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
636 PM CDT Tue Apr 25 2017

Date           04/25/17      Wed 04/26/17            Thu 04/27/17            Fri
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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          50          36          55          40
Temp             66 59 56 52 47 47 50 50 48 43 40 37 36 41 48 53 54 48 44 42 40
Dewpt            52 52 49 47 44 40 39 38 37 35 34 33 32 32 34 35 35 36 37 37 37
RH               61 78 77 83 89 76 66 63 65 73 79 85 85 70 58 50 48 63 76 82 89
Wind dir          S NW NW NW NW NW NW NW NW NW NW NW NW NW NW  W  W NE NE NE NE
Wind spd          5  8 10 11 12 13 13 13 12 11 10 10 10 10 10  9  6  3  3  5  8
Wind gust                       24
Clouds           OV OV B2 OV OV OV OV OV OV B2 B2 B2 B1 B1 SC SC B1 B1 B2 B2 OV
PoP 12hr                     30          20          10           5          10
QPF 12hr                   0.04           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S        S                                               C
Tstms                S
Wind chill                                  37 33 30 29 34
Min chill                                      32    29    30                35


Date           04/28  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17  Tue 05/02/17
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          54      41    52      40    48      38    57      42    64
Temp          52 54   46 41 50 51   44 40 47 47   41 39 53 56   46 44 60 62
Dewpt         40 41   39 37 38 38   38 38 39 38   37 35 36 37   38 39 44 47
PWind dir        NE      NE    NE      NE     N      NW    NW       W     E
Wind char        GN      GN    GN      GN    GN      GN    GN      LT    LT
Avg clouds    OV OV   B2 B2 OV OV   OV OV OV OV   OV B2 B1 B1   B1 SC B1 B1
PoP 12hr         50      30    50      70    70      60    20      10    10
Rain                         C  C
Rain shwrs     C  C    C             L  L  L  L    L  C  S
Tstms                                         S

$$
IAZ004-261000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
636 PM CDT Tue Apr 25 2017

Date           04/25/17      Wed 04/26/17            Thu 04/27/17            Fri
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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          41          31          48          32
Temp             44 45 43 40 38 39 41 41 40 35 33 31 31 36 43 47 47 40 36 34 33
Dewpt            43 43 41 40 38 36 34 33 31 31 30 29 28 29 30 31 30 32 31 30 30
RH               96 93 93100100 89 76 73 70 85 89 92 88 75 60 53 51 73 82 85 89
Wind dir          N  N  N NW NW NW NW NW NW NW NW NW NW NW NW NW NW  N  N  N NE
Wind spd         13 14 17 17 17 18 17 17 16 13 12 11 12 13 12 10  9  5  6  5  8
Wind gust                       28    27
Clouds           OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 B1 SC SC SC SC B1 B1
PoP 12hr                     80          40          10           5           5
QPF 12hr                   0.40        0.03           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  L  D  C  C  S  S
Wind chill       37 38 35 31 29 30 32 32 31 26 24 22 21 27 36          30 28 26
Min chill        36    35    29    28    30    23    21    23    38    29    25


Date           04/28  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17  Tue 05/02/17
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          50      35    50      35    45      35    54      38    58
Temp          49 48   39 35 47 49   39 35 44 44   38 36 50 53   41 40 56 55
Dewpt         32 32   32 30 31 32   34 33 33 33   33 31 33 35   34 36 40 41
PWind dir        NE      NE    NE      NE     N       N    NW      SW    SE
Wind char        GN      GN    BZ      BZ    BZ      BZ    BZ      GN    GN
Avg clouds    B1 B2   B2 B2 B2 B2   OV OV OV OV   OV B2 B1 B1   B1 SC SC B1
PoP 12hr         20      20    30      60    70      60    20      20    20
Rain                            C
Rain shwrs        S    S             L  L  L  L    L  C  S       S        S
Snowshwrs                               L  L          C  S

$$
IAZ035-261000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
636 PM CDT Tue Apr 25 2017

Date           04/25/17      Wed 04/26/17            Thu 04/27/17            Fri
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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          46          33          53          37
Temp             52 50 49 45 43 44 46 46 44 40 37 34 34 39 46 51 52 46 41 39 37
Dewpt            46 46 45 43 40 38 36 35 35 33 31 30 29 30 33 33 34 35 35 34 33
RH               80 86 86 93 89 79 68 65 70 76 79 85 82 70 60 50 50 65 79 82 85
Wind dir          N  N NW NW NW NW NW NW NW NW NW NW NW NW NW  W  W  N NE NE NE
Wind spd         13 11 12 13 13 16 14 14 13 11 11 10  9 11 10  9  6  4  5  6  8
Clouds           OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 SC SC SC SC B1 B2 B2
PoP 12hr                     30          30          10           5          10
QPF 12hr                   0.10        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  C  C  S  C  S                                            C
Wind chill                39 36 36       38 33 30 26 27 32                   31
Min chill                    36    35    36    29    24    27          36    31


Date           04/28  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17  Tue 05/02/17
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          52      38    51      38    46      36    57      41    62
Temp          51 51   41 38 48 50   40 38 45 44   39 37 52 56   44 43 59 59
Dewpt         37 37   35 33 35 35   36 35 36 35   35 32 35 38   36 38 43 45
PWind dir        NE      NE    NE      NE     N      NW    NW      SW     E
Wind char        GN      GN    GN      BZ    BZ      GN    GN      LT    GN
Avg clouds    B2 B2   B2 B2 B2 OV   OV OV OV OV   OV B2 B1 B1   B1 SC B1 B1
PoP 12hr         50      30    50      60    80      60    10      10    10
Rain                         S  C
Rain shwrs     C  C    C             L  L  L  D    L  C
Snowshwrs                                             C
Tstms                                         S

$$
IAZ094-261000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
636 PM CDT Tue Apr 25 2017

Date           04/25/17      Wed 04/26/17            Thu 04/27/17            Fri
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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          52          38          58          45
Temp             67 62 58 54 48 48 50 52 51 46 42 40 38 44 52 58 56 50 48 45 46
Dewpt            54 54 51 47 44 41 40 39 38 37 35 33 33 34 36 38 39 39 41 42 42
RH               63 75 77 77 86 77 68 61 61 71 76 76 82 68 54 47 53 66 77 89 86
Wind dir         SW NW NW NW NW NW NW NW NW NW NW NW NW NW  W  W SW  S  E  E  E
Wind spd          5  6 10 12 13 14 13 13 13 11 10 10 10 10  9  8  5  3  4  6  9
Clouds           OV OV OV OV OV OV OV OV OV B2 OV B1 SC SC SC B1 B2 B2 OV B2 OV
PoP 12hr                     50          40          10           5          40
QPF 12hr                   0.27        0.03           0           0        0.06
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C  C  C  C  S  S                                   C  C  C
Tstms                C  S  S
Wind chill                                     36 33 31 38
Min chill                                      36    30    31


Date           04/28  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17  Tue 05/02/17
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          58      45    54      43    50      39    59      46    67
Temp          56 57   47 45 52 52   47 43 48 50   43 40 54 59   50 47 63 65
Dewpt         47 45   42 41 43 43   41 40 41 40   38 35 37 40   39 41 47 49
PWind dir        NE      NE    NE      NE     N      NW     W      SW     S
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    LT
Avg clouds    OV B2   B2 B2 OV OV   OV OV OV OV   B2 B2 B1 B1   B1 SC B1 B1
PoP 12hr         50      40    70      70    60      40    20      10    10
Rain                         L  L
Rain shwrs     C  C       C          L  L  L  C    C  C  S
Tstms                                      S

$$
IAZ017-261000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
636 PM CDT Tue Apr 25 2017

Date           04/25/17      Wed 04/26/17            Thu 04/27/17            Fri
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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          47          34          48          33
Temp             54 54 54 52 46 47 47 47 44 39 37 34 34 38 43 47 47 40 36 35 34
Dewpt            51 51 50 48 45 41 39 37 36 34 34 32 31 31 31 33 32 33 32 32 31
RH               90 90 86 86 96 79 74 68 73 82 89 92 89 76 62 58 56 76 85 89 89
Wind dir          N  N NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW  N  N NE NE
Wind spd         10  9 10 10 13 16 14 14 14 12 11 12 12 13 13 11  8  4  5  5  6
Clouds           OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 SC SC SC B1 B1
PoP 12hr                     70          50          10          10           5
QPF 12hr                   0.13        0.04           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C  L  S  C  S  S                                         S
Snowshwrs                                                                     S
Wind chill                               37 31 29 25 25 30 36                28
Min chill                          38    36    28    24    25    39    31    27


Date           04/28  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17  Tue 05/02/17
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          51      37    51      37    46      35    53      39    58
Temp          49 50   41 37 48 50   41 37 45 45   38 36 48 53   42 41 56 56
Dewpt         35 35   34 32 33 33   35 34 36 36   35 33 35 36   36 36 42 44
PWind dir        NE      NE    NE      NE     N       N    NW      NW    NE
Wind char        GN      GN    GN      GN    BZ      GN    BZ      GN    GN
Avg clouds    B2 B2   B2 B2 B2 OV   OV OV OV OV   OV OV B2 B1   B1 SC B1 B1
PoP 12hr         30      20    20      70    70      70    30      10    10
Rain                            C
Rain shwrs     S  C    S             L  L  L  L    L  C  C
Snowshwrs      S                                      C  C
Tstms                                         S

$$
IAZ049-261000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
636 PM CDT Tue Apr 25 2017

Date           04/25/17      Wed 04/26/17            Thu 04/27/17            Fri
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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                      48          51          36          53          39
Temp             68 62 58 53 48 50 50 51 49 43 40 38 36 41 46 52 52 46 43 40 39
Dewpt            48 52 53 51 47 42 41 39 38 36 34 33 32 32 33 34 34 36 36 36 36
RH               49 70 83 93 96 74 71 63 66 76 79 82 85 70 60 50 50 68 76 85 89
Wind dir         SE  E SW  W NW NW NW NW NW NW NW NW NW NW  W  W  W  N NE NE NE
Wind spd          8  5  6 10 11 13 13 14 13 12 11 11 11 12 12 10  8  3  4  6  9
Clouds           OV OV B2 OV OV OV OV OV OV OV OV B2 B2 B1 B1 SC SC B1 B2 B2 B2
PoP 12hr                     40          30          10          10          10
QPF 12hr                   0.14        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C  C  S  C  S  S  S                                      C
Tstms                S
Wind chill                                  36 33 30 28 34                   33
Min chill                                      32    28    29          38    33


Date           04/28  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17  Tue 05/02/17
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          54      40    52      40    48      37    56      41    63
Temp          51 53   44 40 50 50   44 41 47 47   41 38 51 55   45 43 60 61
Dewpt         40 40   38 36 38 37   37 38 39 39   37 35 36 37   37 38 43 46
PWind dir        NE      NE    NE      NE     N      NW    NW       W    SE
Wind char        GN      GN    BZ      BZ    BZ      GN    BZ      GN    GN
Avg clouds    OV OV   B2 B2 OV OV   OV OV OV OV   OV B2 B2 B1   B1 B1 B1 B1
PoP 12hr         50      30    50      70    60      60    20      10    10
Rain                         C  C
Rain shwrs     C  C    C             L  L  L  L    L  C  S
Tstms                                         S

$$
IAZ086-261000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
636 PM CDT Tue Apr 25 2017

Date           04/25/17      Wed 04/26/17            Thu 04/27/17            Fri
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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                      52          56          39          57          45
Temp             72 66 62 59 54 54 56 56 54 48 44 41 39 45 51 56 56 51 48 46 45
Dewpt            51 55 56 55 49 45 45 43 43 40 37 35 34 35 36 38 39 40 40 40 41
RH               48 68 81 87 83 71 66 62 66 74 76 79 82 68 56 51 53 66 74 79 86
Wind dir          S SW  S  W  W  W NW NW NW NW NW NW NW  W  W  W  W  S  E  E  E
Wind spd          6  5  5  9 10 13 12 12 12 11 11 11 11 12 11 10  6  3  3  5  9
Clouds           OV OV B2 OV OV OV OV OV OV B2 OV B2 B2 B1 SC SC B1 B2 OV B2 OV
PoP 12hr                     60          50          20           5          20
QPF 12hr                   0.35        0.12        0.03           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C  L  C  C  C  C  C  S     S                       S  S  C
Tstms                C  C  C
Wind chill                                     38 34 32 39
Min chill                                      37    31    33                39


Date           04/28  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17  Tue 05/02/17
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          59      45    55      44    52      40    58      44    67
Temp          57 58   49 45 54 54   47 46 52 50   44 41 54 57   48 46 63 65
Dewpt         45 46   43 41 43 42   42 42 43 41   40 36 36 38   39 41 45 48
PWind dir         E      NE    NE      NE    NW       W     W      SW     S
Wind char        GN      GN    BZ      BZ    GN      GN    BZ      GN    GN
Avg clouds    OV OV   B2 B2 OV OV   OV OV OV OV   OV B2 B1 B1   B1 SC SC B1
PoP 12hr         50      30    70      70    60      50    20      10     5
Rain                         L  L
Rain shwrs     C  C    S  C          L  L  L  L    C  C  S
Tstms                                         S    S

$$



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