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Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
336 PM CDT Sun Apr 23 2017

IAZ060-241000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
336 PM CDT Sun Apr 23 2017

Date           04/23/17      Mon 04/24/17            Tue 04/25/17            Wed
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          72          53          69          45
Temp          72 69 58 52 48 47 60 68 72 70 60 59 54 54 59 67 69 63 55 51 47 45
Dewpt         33 36 38 38 37 37 39 40 40 42 44 45 46 46 49 51 53 52 49 46 44 42
RH            24 30 47 59 65 68 46 36 31 36 55 60 74 74 69 56 57 67 80 83 89 89
Wind dir       S  S  S  S  S  S  S  S  S  S  S  S  S  S SE SE  S NW NW  N  N  N
Wind spd       6  8  5  5  6  8 16 18 17 13 10  9  8  6  6  9  8  9  9 11 12 13
Wind gust                       29 34 31
Clouds        FW FW FW FW FW FW FW SC B1 SC B1 B1 B1 B2 OV OV OV OV OV OV OV OV
PoP 12hr                      0          10          10          40          50
QPF 12hr                      0           0           0        0.02        0.16
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  C  C  C  C  C  C  C
Wind chill                                                                   39
Min chill                                                                    39


Date           04/26  Thu 04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17
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      38    56      43    59      46    58      45    59
Temp          51 49   42 39 51 56   47 44 55 59   50 46 53 58   50 46 58 56
Dewpt         41 37   35 33 36 37   39 39 44 45   45 44 45 47   45 43 44 42
PWind dir        NW      NW    NW      SE     E       E    NE      NE    SW
Wind char        GN      GN    GN      LT    GN      GN    GN      GN    GN
Avg clouds    OV OV   B2 B1 B1 B1   B2 OV B2 B2   OV OV OV OV   OV B2 B2 B2
PoP 12hr         40      30     5      20    40      70    60      60    50
Rain shwrs     C  C    C             S  S  C  C    C  L  L  L    L  L  C  C

$$
IAZ039-241000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
336 PM CDT Sun Apr 23 2017

Date           04/23/17      Mon 04/24/17            Tue 04/25/17            Wed
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                      45          71          52          68          45
Temp          72 69 57 51 47 46 60 67 71 67 58 57 54 53 62 66 68 66 57 51 46 45
Dewpt         31 35 38 38 38 38 40 39 38 40 42 43 44 45 48 50 51 52 52 48 45 43
RH            22 28 49 61 71 73 47 36 30 37 55 59 69 74 60 56 54 61 83 89 96 93
Wind dir      SW  S  S  S  S SE  S  S  S  S  S  S  S  S  S SE SE SE  N NW NW NW
Wind spd       6  6  5  5  5  8 14 18 19 14 10 10  9  8  6  8 10  6  5  9 11 12
Wind gust                       27 31 34 25
Clouds        FW FW FW FW FW FW SC SC SC B1 B1 B2 B1 B2 OV OV OV OV OV OV OV OV
PoP 12hr                      0          10          10          50          60
QPF 12hr                      0           0           0        0.03        0.15
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  C  C  L  L  C  C  C
Wind chill                                                                   39
Min chill                                                                    39


Date           04/26  Thu 04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17
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      35    54      39    56      43    56      45    59
Temp          50 50   40 36 49 53   43 40 54 54   47 43 52 56   49 45 57 56
Dewpt         43 39   35 31 34 35   36 36 41 41   42 40 44 45   44 44 44 44
PWind dir        NW      NW    NW      SE     E       E     E       E    SW
Wind char        GN      GN    GN      LT    GN      GN    GN      GN    GN
Avg clouds    OV OV   OV B2 B1 B1   B1 B2 B2 B2   OV OV OV OV   OV OV B2 B2
PoP 12hr         40      30     5      10    40      60    60      60    60
Rain shwrs     C  C    C  S                C  C    C  L  C  L    L  L  L  C

$$
IAZ048-241000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
336 PM CDT Sun Apr 23 2017

Date           04/23/17      Mon 04/24/17            Tue 04/25/17            Wed
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                      45          71          52          66          44
Temp          72 69 57 51 47 46 58 67 71 69 60 57 53 52 57 65 65 59 52 49 46 44
Dewpt         34 36 39 39 38 38 41 40 40 42 44 45 46 46 49 51 52 51 48 45 43 41
RH            25 30 51 63 71 73 53 37 32 37 55 64 77 80 75 60 63 75 86 86 89 89
Wind dir       S  S  S  S  S  S  S  S  S  S  S  S  S  S SE  E SE  N  N  N  N  N
Wind spd      10  8  5  5  5  8 14 19 19 14  9  9  6  5  6  9  9 10 10 12 12 13
Wind gust              16 16    29 34 35 25
Clouds        FW SC FW FW FW FW FW SC B1 SC B1 B1 B1 B2 OV OV OV OV OV OV OV OV
PoP 12hr                      0          10          20          60          60
QPF 12hr                      0           0           0        0.08        0.13
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S  C  C  L  L  L  L  C  C  C
Wind chill                                                                   37
Min chill                                                                    37


Date           04/26  Thu 04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17
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      36    54      40    57      44    55      44    57
Temp          49 47   41 37 50 53   44 41 53 56   49 44 52 55   48 45 56 55
Dewpt         40 36   34 32 36 36   38 38 42 42   44 42 44 45   44 43 44 41
PWind dir         N      NW    NW      SE     E       E    NE       E    SW
Wind char        GN      GN    GN      LT    GN      GN    GN      GN    GN
Avg clouds    OV OV   B2 B2 B1 B1   B2 B2 B2 B2   OV OV OV OV   OV OV B2 B2
PoP 12hr         40      30     5      10    40      70    60      60    50
Rain shwrs     C  C    C                   C  C    C  L  L  L    C  L  C  C

$$
IAZ004-241000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
336 PM CDT Sun Apr 23 2017

Date           04/23/17      Mon 04/24/17            Tue 04/25/17            Wed
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          68          45          50          36
Temp          70 67 55 51 49 47 55 65 68 66 58 54 49 46 46 50 47 47 43 41 38 36
Dewpt         30 33 36 37 37 38 39 39 42 44 47 45 44 41 39 41 39 41 39 37 36 34
RH            22 28 49 59 63 71 55 38 39 45 67 71 83 83 76 71 74 79 86 85 92 92
Wind dir      SW  S  S  S  S  S  S  S  S  S  S SW NW  N  N  N  N  N  N  N  N  N
Wind spd      17 14 10 11 13 16 21 25 24 16 10  9  9 10 12 13 16 17 16 17 17 18
Wind gust                       34 36 37 26
Clouds        FW FW FW SC SC SC B1 B1 B2 B2 B2 B1 B1 B2 OV OV OV OV OV OV OV OV
PoP 12hr                      0          30          20          80          70
QPF 12hr                      0        0.01           0        0.38        0.17
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             C  S  S        C  C  D  D  L  L  C  C  S
Tstms                                  S
Wind chill                                                          35 32 29 26
Min chill                    39                            39    38    31    26


Date           04/26  Thu 04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17
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          44      32    50      35    52      38    51      39    52
Temp          44 44   37 33 45 49   39 37 49 51   43 38 46 51   41 40 49 51
Dewpt         33 31   30 29 30 31   33 33 36 37   37 35 37 38   37 38 36 38
PWind dir         N       N    NW      NE     E      NE    NE      NE     N
Wind char        BZ      GN    GN      LT    GN      GN    BZ      BZ    BZ
Avg clouds    OV OV   B2 B1 B1 B1   B1 B2 B2 B2   B2 OV OV OV   OV B2 B2 B2
PoP 12hr         30      20     5      10    40      40    50      50    60
Rain shwrs     S  C    S  S                C  C    C  C  C  C    C  C  L  C
Snowshwrs                 S

$$
IAZ035-241000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
336 PM CDT Sun Apr 23 2017

Date           04/23/17      Mon 04/24/17            Tue 04/25/17            Wed
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          70          50          58          40
Temp          72 69 57 51 49 47 57 65 69 69 61 57 52 50 52 58 54 51 47 44 42 40
Dewpt         34 35 38 38 38 38 40 40 42 43 46 46 46 46 45 48 47 46 43 40 39 37
RH            25 28 49 61 66 71 53 40 37 39 58 67 80 86 77 69 77 83 86 86 89 89
Wind dir      SW  S  S  S  S  S  S  S  S  S  S  S  S  E NE NE  N  N  N  N  N  N
Wind spd      14 10  8  9  9 12 21 24 23 16 12  9  6  8  9 10 11 12 13 14 14 14
Wind gust                       34 37 34 26                         24 25
Clouds        FW FW FW SC SC SC SC B1 B2 B1 B2 B1 B1 B2 OV OV OV OV OV OV OV OV
PoP 12hr                      0          10          20          80          70
QPF 12hr                      0           0           0        0.26        0.17
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S        C  C  D  D  L  L  C  C  C
Wind chill                                                             37 34 32
Min chill                                                              37    32


Date           04/26  Thu 04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17
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          48      35    53      38    55      42    54      42    56
Temp          48 45   39 36 49 52   42 39 52 54   46 42 50 54   46 43 53 55
Dewpt         37 34   32 30 34 34   36 35 40 40   40 38 41 43   41 40 40 39
PWind dir         N       N    NW      SE     E       E    NE      NE    NW
Wind char        BZ      GN    GN      LT    GN      GN    BZ      GN    GN
Avg clouds    OV OV   B2 B2 B1 B1   B1 B2 B2 B2   OV OV OV OV   OV B2 B2 B2
PoP 12hr         40      20     5      10    40      60    50      50    60
Rain shwrs     C  C    S                   C  C    C  L  C  C    C  C  L  C

$$
IAZ094-241000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
336 PM CDT Sun Apr 23 2017

Date           04/23/17      Mon 04/24/17            Tue 04/25/17            Wed
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                      45          71          52          70          46
Temp          70 68 57 52 48 46 59 67 71 69 60 58 54 53 61 69 70 67 56 51 48 46
Dewpt         35 37 37 37 37 37 41 40 40 43 45 46 46 45 49 51 53 53 50 48 45 43
RH            27 32 47 56 65 71 51 37 32 39 58 64 74 74 65 53 55 61 80 89 89 89
Wind dir      SW  S  S  S  S  S  S  S  S  S  S  S  S  S SE SE  S  W NW  N  N  N
Wind spd       6  6  5  6  6  8 16 19 20 14 10  9  8  8 10 10  9  6  8 10 11 13
Wind gust                    18 28 34 33
Clouds        FW FW FW FW FW FW FW SC B1 FW SC B1 B1 B2 B2 B2 OV OV OV OV OV OV
PoP 12hr                      0           5          10          30          50
QPF 12hr                      0           0           0        0.01        0.25
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  S  S  C  C  C  C  C


Date           04/26  Thu 04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17
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      39    57      44    61      49    61      46    60
Temp          52 49   44 40 53 56   47 45 57 61   53 49 57 60   51 46 57 59
Dewpt         41 38   36 34 38 39   40 41 47 48   48 46 50 49   45 44 45 43
PWind dir        NW      NW     W      SE     E       E     E      NE    SW
Wind char        GN      GN    GN      LT    GN      GN    GN      GN    BZ
Avg clouds    OV OV   B2 B1 B1 B1   B2 OV OV B2   OV OV OV OV   OV B2 B2 B2
PoP 12hr         50      40     5      30    50      70    70      70    40
Rain shwrs     C  C    C             S  C  C  C    L  L  L  L    L  L  C  C
Tstms                                              S  S  S  S    S  S  S  S

$$
IAZ017-241000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
336 PM CDT Sun Apr 23 2017

Date           04/23/17      Mon 04/24/17            Tue 04/25/17            Wed
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                      45          69          49          58          40
Temp          71 68 55 49 47 46 57 64 69 67 58 56 51 49 52 57 58 55 47 44 42 40
Dewpt         31 34 38 39 38 38 40 40 40 42 44 45 45 45 46 48 49 48 45 42 40 39
RH            23 28 53 68 71 73 53 41 35 40 59 66 80 86 80 72 72 77 93 93 93 96
Wind dir      SW  S  S  S  S  S  S  S  S  S  S  S  S  W NE NE NE  N  N  N  N  N
Wind spd      14  9  8  8  9 10 19 23 23 16 11 11  9  6  8  9 10 12 12 13 14 17
Wind gust                       32 35 37
Clouds        FW SC FW FW SC SC SC B1 B1 B1 B2 B2 B1 B2 OV OV OV OV OV OV OV OV
PoP 12hr                      0          10          20          80          70
QPF 12hr                      0           0           0        0.22        0.21
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S  C  C  D  D  L  L  C  C  C
Wind chill                                                             37 34 32
Min chill                                                              37    31


Date           04/26  Thu 04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17
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          46      33    50      36    53      40    52      41    55
Temp          46 44   37 34 46 49   39 38 50 52   44 40 49 51   44 42 52 54
Dewpt         38 35   32 30 32 33   34 33 39 39   39 36 41 41   41 40 41 40
PWind dir         N       N    NW      SE     E       E    NE       E    NW
Wind char        BZ      GN    GN      LT    GN      GN    BZ      GN    BZ
Avg clouds    OV OV   OV B2 B1 B1   B1 B1 B2 B2   B2 OV OV OV   OV B2 OV B2
PoP 12hr         40      20     5      10    40      50    50      50    60
Rain shwrs     C  C    S  S                C  C    C  C  C  C    C  C  L  C
Snowshwrs                 S

$$
IAZ049-241000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
336 PM CDT Sun Apr 23 2017

Date           04/23/17      Mon 04/24/17            Tue 04/25/17            Wed
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                      44          71          51          68          44
Temp          70 68 56 50 47 45 59 67 71 67 57 56 53 52 59 67 68 65 54 50 46 44
Dewpt         35 35 37 37 36 37 39 39 38 40 42 43 44 45 48 50 51 52 50 46 44 42
RH            27 29 49 61 65 73 47 36 30 37 57 62 71 77 67 54 54 63 86 86 93 93
Wind dir      SW  S  S  S  S  S  S  S  S  S  S  S  S  S  S SE SE NE  N NW  N  N
Wind spd      10  8  6  6  6  8 17 21 21 16 11 11 10  8  8 10 11  6  9 12 13 13
Wind gust                       28 32 35 26
Clouds        FW FW FW FW SC SC FW SC SC SC B1 B2 B1 B2 OV OV OV OV OV OV OV OV
PoP 12hr                      0          10          10          40          50
QPF 12hr                      0           0           0        0.02        0.18
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  C  C  C  C  C  C  C
Wind chill                                                                   37
Min chill                    39                                              37


Date           04/26  Thu 04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17
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      35    54      39    56      43    55      44    58
Temp          49 47   40 36 50 53   43 41 54 55   48 43 52 55   48 45 56 55
Dewpt         41 37   34 32 35 35   37 37 41 41   43 41 45 45   44 44 44 42
PWind dir         N      NW    NW      SE     E       E     E       E    SW
Wind char        GN      GN    GN      LT    GN      GN    GN      GN    BZ
Avg clouds    OV OV   OV B2 B1 B1   B1 B2 B2 B2   OV OV OV OV   OV OV B2 B2
PoP 12hr         40      30     5      20    40      60    60      60    50
Rain shwrs     C  C    C  S             S  C  C    C  L  L  L    L  L  C  C

$$
IAZ086-241000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
336 PM CDT Sun Apr 23 2017

Date           04/23/17      Mon 04/24/17            Tue 04/25/17            Wed
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                      44          74          51          74          49
Temp          71 69 57 52 47 45 61 70 74 70 59 56 53 52 62 70 74 71 64 56 51 49
Dewpt         32 36 37 37 36 36 40 39 39 41 42 42 43 43 48 51 51 53 53 50 49 46
RH            24 30 47 56 65 70 46 32 28 35 53 59 69 71 60 51 44 53 67 80 93 89
Wind dir      SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S SE  S  S SW  W NW NW
Wind spd       4  5  5  5  6  8 16 19 20 14 10 10  9 10 10 12 13  9  6  8 10 11
Wind gust                             32
Clouds        CL FW CL FW FW FW CL FW SC SC FW B1 SC B1 B2 B2 B2 OV OV OV OV OV
PoP 12hr                      0           5          10          20          40
QPF 12hr                      0           0           0           0        0.10
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S  S  S  C  C  C  C  L
Tstms                                                             S


Date           04/26  Thu 04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17
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          55      39    58      43    61      48    63      47    62
Temp          54 52   44 40 53 57   47 44 57 61   53 49 61 60   53 48 61 59
Dewpt         45 41   38 34 37 39   40 40 46 47   47 46 51 50   48 46 47 45
PWind dir        NW      NW     W      SE     E       E     E       E    SW
Wind char        GN      GN    GN      LT    GN      GN    GN      GN    BZ
Avg clouds    OV OV   B2 B2 B1 B1   B2 B2 B2 B2   OV OV OV OV   OV OV B2 B2
PoP 12hr         60      40     5      20    40      60    70      60    50
Rain shwrs     L  C    C  S             S  C  C    C  L  L  L    L  L  C  C
Tstms                                                 S  S  S    S  S  S  S

$$



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