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Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
137 PM CDT Sat Apr 29 2017

IAZ060-292200-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
137 PM CDT Sat Apr 29 2017

Date             Sat 04/29/17            Sun 04/30/17            Mon 05/01/17
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                      46          41          51          42          50
Temp                      44 43 43 42 41 42 47 49 51 51 49 47 44 42 43 49 50 49
Dewpt                     39 38 37 38 38 39 40 44 46 45 43 41 40 39 38 38 37 35
RH                        82 82 79 86 89 89 76 83 83 80 80 79 86 89 82 66 61 58
Wind dir                  NE NE NE NE NE NE NE NE  E  E SE  S  S SW  W  W  W  W
Wind spd                  17 16 18 17 17 18 18 16 13 12  9  8  5  8 14 18 18 18
Wind gust                             27       26                            29
Clouds                    OV OV OV OV OV OV OV OV OV OV B2 B2 OV OV OV OV B2 OV
PoP 12hr                    100          90          90          50          50
QPF 12hr                   0.25        0.48        0.56        0.15        0.05
Snow 12hr                 00-00       00-00       00-00
Rain                                      D  D  L  L  C  C  C  C  C  C  C  C
Rain shwrs                 C  C  L  D  D
Tstms                                  S  C  S
Obvis                              PF PF PF PF PF PF PF
Wind chill                36 35 35 34 32 34 39                      36
Min chill              37    35    33    31    35                36    33


Date          Tue 05/02/17  Wed 05/03/17  Thu 05/04/17  Fri 05/05/17
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    63      43    62      44    64      45    69
Temp          43 40 60 61   49 44 60 60   49 45 62 62   49 46 66 66
Dewpt         34 34 38 39   40 39 43 41   41 40 42 41   40 39 43 43
PWind dir         W    NW      NE     E      NE     N      NW     N
Wind char        GN    GN      LT    LT      LT    LT      LT    GN
Avg clouds    B1 SC SC SC   B1 B1 B1 B1   B1 SC SC SC   FW FW FW FW
PoP 12hr          5    20      20    30      30    10       0     0
Rain shwrs              S    S  S  S  C    C

$$
IAZ039-292200-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
137 PM CDT Sat Apr 29 2017

Date             Sat 04/29/17            Sun 04/30/17            Mon 05/01/17
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                      46          39          48          41          49
Temp                      45 43 41 40 39 39 41 44 48 48 47 44 42 41 44 46 49 48
Dewpt                     36 35 35 35 36 37 38 41 43 44 42 42 40 40 40 40 38 36
RH                        70 73 79 82 89 92 89 89 83 86 83 93 93 96 86 79 66 63
Wind dir                  NE NE NE NE NE NE NE NE  E  E  E SE SE  S SW  W  W  W
Wind spd                  16 17 17 17 18 19 20 19 19 17 11  9  6  9 11 13 17 14
Wind gust                 26    27 27       31       27                      26
Clouds                    OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
PoP 12hr                     60          80          90          80          60
QPF 12hr                   0.07        0.27        0.74        0.29        0.14
Snow 12hr                 00-00       00-00       00-00
Rain                                      D  D  D  D  D  D  C  C  L  L  L  L  C
Rain shwrs                 L  S  C  L  D
Tstms                                  S  S  C  C  C
Obvis                              PF PF PF PF PF PF PF
Wind chill                38 35 32 31 30 29 31 36                   38
Min chill              37    35    31    29    29    37    38    35    36


Date          Tue 05/02/17  Wed 05/03/17  Thu 05/04/17  Fri 05/05/17
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    59      39    61      42    63      43    66
Temp          42 38 55 57   44 40 58 59   45 43 60 60   48 44 63 63
Dewpt         34 34 37 37   38 36 41 39   40 38 42 40   40 39 41 42
PWind dir         W    NW      NE     E      SW    NW       N     N
Wind char        GN    GN      LT    LT      LT    LT      LT    LT
Avg clouds    OV B1 SC SC   SC SC B1 B1   B1 SC SC SC   SC FW FW FW
PoP 12hr         30     5       5    30      30    20       5     5
Rain           C
Rain shwrs                            C    C        S

$$
IAZ048-292200-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
137 PM CDT Sat Apr 29 2017

Date             Sat 04/29/17            Sun 04/30/17            Mon 05/01/17
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                      45          38          49          41          47
Temp                      44 43 42 40 39 38 42 45 48 49 48 46 43 41 42 45 47 46
Dewpt                     38 37 37 37 37 38 38 41 44 45 42 41 40 39 38 38 37 35
RH                        79 79 82 89 92100 86 86 86 86 80 83 89 92 86 76 68 65
Wind dir                  NE NE NE NE NE NE NE NE NE  E  E SE  S SW  W  W  W NW
Wind spd                  17 14 17 17 17 20 20 18 16 13 10  8  5  6 13 17 18 17
Wind gust                       27 27 27                                     29
Clouds                    OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 OV
PoP 12hr                     70          90          90          70          60
QPF 12hr                   0.13        0.41        0.65        0.20        0.07
Snow 12hr                 00-00       00-00       00-00
Rain                                      D  D  D  D  L  L  L  L  L  L  C  C
Rain shwrs                 C  C  C  D  D
Tstms                                  S  S  S  S
Obvis                              PF PF PF PF PF PF PF
Wind chill                36 36 34 31 29 28 33 38                   34 37    39
Min chill              35    35    31    28    29    38          36    33    37


Date          Tue 05/02/17  Wed 05/03/17  Thu 05/04/17  Fri 05/05/17
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    61      41    62      42    64      43    66
Temp          41 39 58 60   46 42 60 60   46 43 60 62   48 44 63 63
Dewpt         34 34 38 39   39 38 43 41   41 39 42 41   40 40 42 44
PWind dir        NW    NW      NE     E       N     N      NW     N
Wind char        GN    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B2 SC SC SC   B1 B1 B1 B1   B1 SC SC SC   FW FW FW FW
PoP 12hr         10    10      20    30      30    10       0     0
Rain shwrs                      S  S  C    C

$$
IAZ004-292200-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
137 PM CDT Sat Apr 29 2017

Date             Sat 04/29/17            Sun 04/30/17            Mon 05/01/17
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                      48          37          40          35          42
Temp                      48 46 43 41 39 38 37 37 39 39 41 40 38 35 37 40 42 41
Dewpt                     31 30 33 34 34 34 33 34 36 36 35 35 34 34 34 34 33 34
RH                        51 53 67 76 82 85 85 89 89 89 79 82 85 96 89 79 70 76
Wind dir                  NE NE NE NE NE NE NE NE NE NE NE NE  N  N NW NW NW NW
Wind spd                  19 18 16 16 18 21 25 25 25 24 19 16 11 14 18 21 21 19
Wind gust                          26       36 35 35 35    26                29
Clouds                    OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
PoP 12hr                     10          80          90          80          60
QPF 12hr                      0        0.28        0.78        0.38        0.15
Snow 12hr                 00-00       00-00       00-00
Rain                                      D  D  D  D  D  D  D  D  L  L  L  L  S
Rain shwrs                       S  C  L
Snow                                                              L
Obvis                              PF PF PF PF PF PF PF
Wind chill                   39 35 33 30 27 25 25 28 29 32 32 31 25 27 30 33 32
Min chill              38    39    32    27    24    27    30    24    25    31


Date          Tue 05/02/17  Wed 05/03/17  Thu 05/04/17  Fri 05/05/17
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          35    58      38    59      40    61      42    65
Temp          37 36 54 56   43 39 56 56   43 41 57 59   47 43 62 62
Dewpt         32 32 36 37   37 37 40 38   38 38 39 38   37 38 41 42
PWind dir        NW    NW       S    NE       W    NW      NW     W
Wind char        GN    GN      LT    LT      LT    GN      LT    GN
Avg clouds    B2 SC SC SC   B1 B1 B1 B1   SC SC SC SC   FW FW FW FW
PoP 12hr         20     5      10    30      10    10       0     0
Rain           S
Rain shwrs                         S  C

$$
IAZ035-292200-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
137 PM CDT Sat Apr 29 2017

Date             Sat 04/29/17            Sun 04/30/17            Mon 05/01/17
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                      47          38          44          37          45
Temp                      47 45 42 41 39 38 39 41 44 44 42 41 38 37 40 44 45 44
Dewpt                     34 34 34 34 35 34 35 38 39 40 38 38 38 36 36 36 36 34
RH                        60 65 73 76 85 85 85 89 82 86 86 89100 96 85 73 70 68
Wind dir                  NE NE NE NE NE NE NE NE NE NE NE NE NE NW NW NW NW NW
Wind spd                  18 17 17 18 18 20 24 19 19 18 13 11  6  9 14 17 20 17
Wind gust                                31                                  31
Clouds                    OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 OV
PoP 12hr                     20          90          90          80          60
QPF 12hr                   0.03        0.35        0.77        0.34        0.12
Snow 12hr                 00-00       00-00       00-00
Rain                                      D  D  D  D  L  L  D  D  L  L  C  C  S
Rain shwrs                 S  S  C  L  D
Tstms                                  S  S
Obvis                              PF PF PF PF PF PF PF
Wind chill                   38 34 32 30 28 28 32 36 36 35 34    30 32 36 37 36
Min chill              38    38    32    27    27    33    33    30    30    36


Date          Tue 05/02/17  Wed 05/03/17  Thu 05/04/17  Fri 05/05/17
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    60      40    61      41    63      43    66
Temp          41 38 58 59   45 41 58 58   45 41 59 61   46 44 63 63
Dewpt         33 32 37 38   37 36 42 40   40 38 41 40   38 38 42 42
PWind dir        NW    NW      NE    NE       N    NW      NW    NW
Wind char        GN    GN      LT    LT      LT    GN      LT    GN
Avg clouds    B2 SC SC SC   B1 B1 B1 B1   B1 SC SC SC   FW FW FW FW
PoP 12hr         20     5      20    30      10    20       0     0
Rain           S
Rain shwrs                      S  C  C             S

$$
IAZ094-292200-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
137 PM CDT Sat Apr 29 2017

Date             Sat 04/29/17            Sun 04/30/17            Mon 05/01/17
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                      45          41          56          41          50
Temp                      43 42 43 42 41 45 51 55 56 53 49 46 43 41 43 47 50 49
Dewpt                     41 40 40 40 40 41 45 48 48 45 42 40 39 38 37 37 37 36
RH                        93 93 89 93 96 86 80 77 74 74 77 79 86 89 79 68 61 61
Wind dir                  NE NE NE NE NE NE NE  E SE  S  S  S SW  W  W  W  W  W
Wind spd                  21 18 17 16 16 19 16 13 16 13 10  9  9 11 17 23 21 20
Wind gust                          26
Clouds                    OV OV OV OV OV OV OV OV B2 B2 B2 OV OV OV B2 OV B2 B2
PoP 12hr                    100          90          90          60          50
QPF 12hr                   0.24        0.86        0.42        0.11        0.02
Snow 12hr                 00-00       00-00       00-00
Rain                                      D  D  C  C  C  C  L  L  C  C  S  S
Rain shwrs                 L  L  D  D  D
Tstms                            S  S  C  S
Obvis                              PF PF PF PF PF PF PF
Wind chill                34 34 35 34 33 37                      34 35 39
Min chill              36    33    34    32    39                34    33


Date          Tue 05/02/17  Wed 05/03/17  Thu 05/04/17  Fri 05/05/17
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    64      45    62      43    64      45    67
Temp          45 41 61 62   49 46 60 61   49 44 61 62   50 46 64 65
Dewpt         35 35 40 41   42 41 44 42   42 40 43 42   40 39 43 44
PWind dir         W     W      NE    NE      NE     N       N     N
Wind char        GN    GN      LT    LT      LT    LT      LT    GN
Avg clouds    SC FW SC SC   B1 B1 B2 B1   B1 SC SC SC   FW FW FW FW
PoP 12hr          5    20      30    30      20    10       0     0
Rain shwrs              S    C  C  C  C    S

$$
IAZ017-292200-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
137 PM CDT Sat Apr 29 2017

Date             Sat 04/29/17            Sun 04/30/17            Mon 05/01/17
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                      48          37          42          38          45
Temp                      48 46 42 40 38 37 37 39 41 41 43 43 41 39 39 43 45 44
Dewpt                     32 33 34 35 35 35 36 37 39 39 38 38 38 38 38 38 37 35
RH                        54 60 73 82 89 92 96 92 92 92 82 82 89 96 96 82 73 70
Wind dir                  NE NE NE NE NE NE NE NE NE NE NE NE  E NW NW NW NW NW
Wind spd                  18 16 16 17 18 20 24 23 21 20 14 12  8  8 12 16 19 18
Wind gust                          27          33 32
Clouds                    OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
PoP 12hr                     20          80          90          80          70
QPF 12hr                   0.02        0.19        0.74        0.45        0.19
Snow 12hr                 00-00       00-00       00-00
Rain                                      D  D  D  D  D  D  D  D  L  L  L  L  C
Rain shwrs                 S     C  C  L
Tstms                                           S  S
Obvis                              PF PF PF PF PF PF PF
Wind chill                   39 34 31 28 26 26 28 31 32 36 36    33 31 35 37 36
Min chill              38    39    31    26    26    28    33    32    31    36


Date          Tue 05/02/17  Wed 05/03/17  Thu 05/04/17  Fri 05/05/17
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          36    56      38    59      40    61      42    64
Temp          40 37 53 54   43 39 57 57   43 41 58 59   45 43 61 61
Dewpt         33 33 37 37   37 37 40 38   39 38 41 40   38 38 42 42
PWind dir        NW    NW       N     E       N    NW      NW    NW
Wind char        BZ    GN      LT    LT      LT    GN      LT    GN
Avg clouds    OV B1 SC SC   SC SC B1 B1   B1 SC SC SC   FW FW FW FW
PoP 12hr         30     5      20    40      20    20       0     5
Rain           C
Rain shwrs                      S  C  C    S        S

$$
IAZ049-292200-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
137 PM CDT Sat Apr 29 2017

Date             Sat 04/29/17            Sun 04/30/17            Mon 05/01/17
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                      45          38          48          41          48
Temp                      43 42 40 39 39 39 41 46 48 48 47 46 43 41 43 46 48 47
Dewpt                     37 36 36 36 36 38 38 41 43 44 42 41 40 39 39 38 37 36
RH                        79 79 85 89 89 96 89 83 83 86 83 83 89 92 86 73 65 65
Wind dir                  NE NE NE NE NE NE NE NE NE  E  E SE SE  S  W  W  W  W
Wind spd                  21 19 20 20 19 21 23 21 19 16 11 10  6  9 14 17 20 18
Wind gust                          31                26                      29
Clouds                    OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 OV
PoP 12hr                     80          90          90          70          60
QPF 12hr                   0.18        0.39        0.72        0.21        0.08
Snow 12hr                 00-00       00-00       00-00
Rain                                      D  D  D  D  L  L  C  C  L  L  C  C  S
Rain shwrs                 O  C  C  D  D
Tstms                                  S  S  C  C  C
Obvis                              PF PF PF PF PF PF PF
Wind chill                34 33 30 29 29 28 32 38                35 36 39
Min chill              35    33    29    27    29    38          35    33    39


Date          Tue 05/02/17  Wed 05/03/17  Thu 05/04/17  Fri 05/05/17
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    60      39    61      41    62      42    66
Temp          41 38 56 57   45 40 59 58   45 42 59 60   47 43 63 63
Dewpt         34 33 37 37   38 37 41 39   40 38 42 40   40 39 42 42
PWind dir         W    NW      NE     E       N    NW      NW     N
Wind char        BZ    GN      LT    LT      LT    GN      LT    GN
Avg clouds    B2 B1 SC SC   SC B1 B1 B1   B1 SC SC SC   SC FW FW FW
PoP 12hr         20     5      10    30      30    20       0     5
Rain           S
Rain shwrs                            C    C        S

$$
IAZ086-292200-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
137 PM CDT Sat Apr 29 2017

Date             Sat 04/29/17            Sun 04/30/17            Mon 05/01/17
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                      46          42          56          43          50
Temp                      43 42 43 43 42 45 52 56 56 55 52 49 46 43 45 49 50 49
Dewpt                     42 41 39 40 41 42 44 49 51 50 45 42 41 40 39 38 38 36
RH                        96 96 86 89 96 89 74 77 83 83 77 77 83 89 79 66 63 61
Wind dir                  NE NE NE NE NE NE  E  E SE  S  S  S  S  S  W  W  W  W
Wind spd                  21 23 19 18 16 19 18 18 16 12 11 11  8 11 17 19 20 19
Wind gust                                                                 31 29
Clouds                    OV OV OV OV OV OV OV OV OV B2 B2 B2 OV OV OV OV B2 OV
PoP 12hr                    100          90          90          50          50
QPF 12hr                   0.52        0.65        0.61        0.12        0.05
Snow 12hr                 00-00       00-00       00-00
Rain                                      D  D  D  D  C  C  C  C  C  C  C  C
Rain shwrs                 O  C  D  D  D
Tstms                               S  C  C  C  C  C
Obvis                              PF PF PF PF PF PF PF
Wind chill                35 33 35 34 34 37                      37 38
Min chill              35    32    33    32    37                36    35


Date          Tue 05/02/17  Wed 05/03/17  Thu 05/04/17  Fri 05/05/17
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    64      43    62      42    63      43    67
Temp          44 41 60 61   47 44 61 60   47 43 60 61   47 44 65 65
Dewpt         34 34 38 39   39 39 42 41   41 39 42 41   40 39 42 43
PWind dir         W    NW      NE     E      NE     N      NW     N
Wind char        BZ    GN      LT    LT      LT    LT      LT    GN
Avg clouds    B2 SC SC SC   B1 B1 B1 B1   B1 SC SC SC   FW FW FW FW
PoP 12hr         10     5      20    20      20    10       0     5
Rain shwrs                   S  S  S  S    S

$$



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