Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
637 AM CDT Sun Apr 30 2017

IAZ060-302200-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
637 AM CDT Sun Apr 30 2017

Date             Sun 04/30/17            Mon 05/01/17            Tue 05/02/17
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                      50          42          49          40          64
Temp             41 41 46 47 49 47 45 43 42 42 47 49 48 45 43 41 41 52 60 64 62
Dewpt            39 40 42 44 45 43 41 40 39 37 36 36 36 36 35 36 35 39 39 39 39
RH               92 96 86 89 86 86 86 89 89 82 65 61 63 70 73 82 79 61 46 40 43
Wind dir         NE NE NE  E  E  E  S  S  W  W  W  W NW  W  W  W  W NW NW NW NW
Wind spd         14 17 16 12  9  6  8  6  9 14 19 20 18 11 10 11 11 12 12 10  6
Wind gust              26                         31
Clouds           OV OV OV OV OV OV OV OV OV OV OV OV B2 SC SC SC FW FW SC FW B1
PoP 12hr                     90          70          60           5           5
QPF 12hr                   0.58        0.14        0.05           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                          L  L  L  L  C  C  S  S
Rain shwrs        C  L  D  L
Wind chill       33 32 39                36 35             37 34 34
Min chill        32    32    39          35    33    39    36    32    35


Date          Wed 05/03/17  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17
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          44    63      43    66      46    71      48    71
Temp          49 45 61 60   48 44 62 64   51 47 69 69   53 49 69 69
Dewpt         40 39 43 42   42 40 44 42   41 41 44 45   43 42 44 47
PWind dir        NE    SE      SE    NW       N     N       N    NE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B1 B1   B1 SC SC SC   FW FW FW FW   FW FW FW FW
PoP 12hr          5    10      20    20       0     0       0     0
Rain shwrs                   S        S

$$
IAZ039-302200-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
637 AM CDT Sun Apr 30 2017

Date             Sun 04/30/17            Mon 05/01/17            Tue 05/02/17
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          40          46          38          59
Temp             40 39 42 44 46 45 44 42 41 43 44 46 45 42 40 39 38 46 55 59 57
Dewpt            37 38 40 41 44 43 42 40 39 40 38 37 35 35 34 34 34 37 36 38 37
RH               89 96 93 89 93 93 93 93 92 89 79 71 68 76 79 82 85 71 49 45 47
Wind dir         NE NE NE  E  E  E SE SE  S SW  W  W  W  W  W  W NW NW NW NW NW
Wind spd         21 18 18 20 18 11 10  8  8  9 13 18 17 14 13 12 13 14 16 13  9
Wind gust                 31                            26 26 23 24 25 26 24
Clouds           OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 SC SC SC SC
PoP 12hr                     80          80          60          20           5
QPF 12hr                   0.60        0.25        0.12           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                             C  C  L  L  L  C  C  S  S
Rain shwrs        C  C  L  L  D
Tstms                   S  C  S
Wind chill       30 30 33 36 39 39 38          37 39 38 34 32 31 30
Min chill        30    29    34    38    35    36    38    32    28    31


Date          Wed 05/03/17  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17
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    61      42    64      44    68      44    69
Temp          45 40 59 59   45 43 62 62   49 45 65 65   49 45 65 65
Dewpt         37 36 41 41   41 39 43 42   42 40 43 44   42 40 43 46
PWind dir        NE    SE       S     W       N     N      NE    NE
Wind char        LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    SC SC B1 B1   B1 B1 SC SC   FW FW FW FW   FW FW FW FW
PoP 12hr          5    20      20    20       0     0       0     5
Rain shwrs              S    S        S

$$
IAZ048-302200-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
637 AM CDT Sun Apr 30 2017

Date             Sun 04/30/17            Mon 05/01/17            Tue 05/02/17
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          40          46          37          62
Temp             39 39 42 45 46 45 45 42 40 42 44 46 45 43 40 38 38 50 58 62 60
Dewpt            39 38 40 42 44 43 42 40 39 37 36 36 36 36 35 35 34 38 38 38 39
RH              100 96 93 89 93 93 89 93 96 82 73 68 70 76 82 89 85 63 47 41 46
Wind dir         NE NE NE NE NE  E SE  S  W  W  W  W NW NW  W  W  W NW NW NW NW
Wind spd         13 18 19 17 12  8  8  5  8 12 19 20 18 12 11 11 11 12 13 11  6
Wind gust                 27                      31                23
Clouds           OV OV OV OV OV OV OV OV OV OV OV OV OV B1 SC SC SC FW SC FW B1
PoP 12hr                     90          80          60          10           5
QPF 12hr                   0.63        0.18        0.07           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                          L  L  L  D  L  L  C  C
Rain shwrs        C  C  D  L
Wind chill       31 30 33 37                35 36 39 37 36 33 31 31
Min chill        29    28    35    39    35    33    36    32    29    34


Date          Wed 05/03/17  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17
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          41    62      42    65      44    69      46    70
Temp          46 42 59 59   47 43 62 63   49 45 67 67   51 47 66 67
Dewpt         38 38 43 42   42 40 44 42   41 40 43 45   42 41 44 47
PWind dir        NE    SE       S    NW       N     N       N    NE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B1 B2   B1 SC SC SC   FW FW FW FW   FW FW FW FW
PoP 12hr          5    20      30    20       0     0       0     0
Rain shwrs              S    C        S

$$
IAZ004-302200-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
637 AM CDT Sun Apr 30 2017

Date             Sun 04/30/17            Mon 05/01/17            Tue 05/02/17
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                      40          35          41          34          58
Temp             39 38 38 40 40 39 38 37 35 35 38 41 40 40 38 35 35 46 53 58 56
Dewpt            36 34 34 36 37 36 35 34 33 33 33 34 34 34 33 32 32 36 36 37 36
RH               89 85 85 85 89 89 89 89 92 92 82 76 79 79 82 89 89 68 52 45 47
Wind dir         NE NE NE NE NE NE  N  N  N NW NW NW NW NW NW NW NW NW NW NW  N
Wind spd         18 20 24 25 24 19 17 13 16 18 21 23 20 14 12 12 13 14 14 11  8
Wind gust                                         33
Clouds           OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 B1 SC SC SC SC B1
PoP 12hr                     90          90          70          10           5
QPF 12hr                   0.66        0.47        0.12           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                             D  L  L  L  L  C  C
Rain shwrs        D  L  D  D  D
Snow                                   C  C  C
Tstms                      S
Wind chill       30 28 27 29 30 29 29 28 25 24 28 31 30 32 30 26 26
Min chill        28    27    28    28    25    23    28    30    25    30


Date          Wed 05/03/17  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17
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    61      41    64      43    67      44    69
Temp          43 40 59 57   45 42 61 61   47 44 64 64   48 45 65 65
Dewpt         37 36 41 40   40 39 41 40   39 39 41 42   41 40 43 45
PWind dir        SE     S       W    NW      NW     N      SE     S
Wind char        LT    GN      LT    GN      LT    LT      LT    GN
Avg clouds    B1 B1 B1 B1   SC SC SC FW   FW FW FW FW   FW FW FW FW
PoP 12hr         10    50      20    10       0     0       0     5
Rain shwrs           S  C    S

$$
IAZ035-302200-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
637 AM CDT Sun Apr 30 2017

Date             Sun 04/30/17            Mon 05/01/17            Tue 05/02/17
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                      42          37          45          36          61
Temp             37 37 38 40 42 42 41 39 37 39 43 45 43 42 40 38 37 48 56 61 58
Dewpt            34 35 37 38 39 38 38 37 35 35 35 35 35 34 33 33 32 37 37 37 38
RH               89 92 96 92 89 86 89 92 92 85 73 68 73 73 76 82 82 65 49 41 47
Wind dir         NE NE NE NE NE NE NE  N NW NW NW NW NW NW  W  W  W NW NW NW  N
Wind spd         17 19 20 18 16 12  9  9 10 14 19 20 18 11 10 11 10 13 13 11  6
Wind gust                    26                   31    23
Clouds           OV OV OV OV OV OV OV OV OV OV OV OV OV B1 B1 SC SC FW SC SC B1
PoP 12hr                     90          80          70          10           5
QPF 12hr                   0.69        0.30        0.10           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                          D  L  L  D  L  L  C  C
Rain shwrs        L  C  D  D
Wind chill       27 27 28 31 34 35 35 33 30 31 35 37 35 36 33 31 30
Min chill        27    26    28    34    30    29    35    33    28    32


Date          Wed 05/03/17  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17
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          41    61      41    65      43    68      45    70
Temp          45 42 58 58   45 42 61 61   48 44 66 65   48 46 67 67
Dewpt         37 37 43 42   41 39 43 41   40 39 42 44   41 40 44 46
PWind dir         E     S      SW    NW       N     N       E     S
Wind char        LT    LT      LT    GN      LT    GN      LT    LT
Avg clouds    B1 B1 B1 B2   B1 SC SC FW   FW FW FW FW   FW FW FW FW
PoP 12hr          5    40      40     5       0     0       0     0
Rain shwrs           S  C    C

$$
IAZ094-302200-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
637 AM CDT Sun Apr 30 2017

Date             Sun 04/30/17            Mon 05/01/17            Tue 05/02/17
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                      52          40          51          40          64
Temp             42 45 50 52 52 47 44 42 40 42 45 49 51 48 44 41 41 53 60 64 62
Dewpt            40 44 46 48 46 43 41 39 37 37 36 37 37 37 36 37 36 40 41 42 42
RH               93 96 86 86 80 86 89 89 89 82 70 63 59 65 73 85 82 61 49 45 48
Wind dir         NE NE  E  E SE  S  S SW  W  W  W  W  W  W  W  W  W NW NW NW NW
Wind spd         20 16 14 10 10  9  8  9 13 18 21 23 18 11 10 10 10 12 11 10  5
Wind gust           26
Clouds           OV OV OV OV B2 B2 OV OV OV OV OV OV SC FW SC FW FW FW SC SC B2
PoP 12hr                    100          70          40           0           5
QPF 12hr                   0.50        0.11           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                          C  C  L  L  C  C  S  S
Rain shwrs        C  D  D  C
Tstms                S
Wind chill       33 37                36 32 33 37             35 35
Min chill        31    33          39    32    31    38    38    33    38


Date          Wed 05/03/17  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17
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    62      43    64      46    69      47    71
Temp          50 46 60 60   48 44 61 62   51 47 66 66   53 48 68 68
Dewpt         42 40 45 43   42 40 43 43   41 41 43 44   42 42 45 47
PWind dir        NE     E       N     N       N     N       N    NE
Wind char        LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    B1 B1 B2 B2   B1 B1 SC SC   FW FW FW FW   FW FW FW FW
PoP 12hr         10    20      20    20       0     0       0     0
Rain shwrs              S    S        S

$$
IAZ017-302200-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
637 AM CDT Sun Apr 30 2017

Date             Sun 04/30/17            Mon 05/01/17            Tue 05/02/17
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                      41          38          43          36          56
Temp             39 38 40 41 41 40 40 39 38 39 43 43 43 40 38 37 36 45 51 56 54
Dewpt            35 36 37 38 39 38 38 37 37 37 37 36 35 34 34 33 33 37 37 38 37
RH               85 92 89 89 92 92 92 92 96 92 79 76 73 79 85 85 89 73 59 51 52
Wind dir         NE NE NE NE NE NE NE  E  N NW NW NW NW NW NW NW NW NW NW NW NW
Wind spd         17 21 20 21 20 16 11  8  8 11 17 20 18 16 14 14 14 14 17 13  9
Wind gust              31 32                      31    26          26
Clouds           OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 SC SC SC SC
PoP 12hr                     90          90          70          20           5
QPF 12hr                   0.64        0.41        0.16           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                             D  L  L  L  L  L  L  S  S
Rain shwrs        C  C  L  D  D
Tstms                      S  S
Obvis                                    PF
Wind chill       30 28 30 31 32 32 33 33 32 32 35 34 35 32 29 28 27 38
Min chill        30    27    30    31    32    31    34    28    25    29


Date          Wed 05/03/17  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17
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    60      41    62      42    66      43    68
Temp          42 39 59 58   45 43 59 60   46 43 63 63   46 44 64 64
Dewpt         37 36 42 41   41 40 43 42   41 40 42 43   41 41 43 45
PWind dir         E    SE       S    NW       N     N      NE    SW
Wind char        LT    LT      LT    GN      LT    GN      LT    LT
Avg clouds    SC B1 B1 B2   B1 SC SC SC   FW FW FW FW   FW FW FW FW
PoP 12hr         10    40      30    20       0     0       0     0
Rain shwrs              C    C        S

$$
IAZ049-302200-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
637 AM CDT Sun Apr 30 2017

Date             Sun 04/30/17            Mon 05/01/17            Tue 05/02/17
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          40          46          37          60
Temp             39 39 43 44 46 45 45 41 40 41 45 46 45 43 40 38 38 47 56 60 58
Dewpt            39 39 40 42 44 43 42 40 39 39 37 37 35 35 34 34 34 37 37 38 38
RH              100100 89 93 93 93 89 96 96 92 73 71 68 73 79 85 85 68 49 44 47
Wind dir         NE NE NE  E  E  E SE SE  S  W  W  W  W  W  W  W  W NW NW NW NW
Wind spd         17 20 21 21 14 11 10  8  9 11 19 21 19 16 14 13 13 16 17 13  9
Wind gust           31                                  28 26             24
Clouds           OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 B1 SC SC SC FW SC
PoP 12hr                     80          70          60          10           5
QPF 12hr                   0.67        0.18        0.05           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                          L  C  C  L  L  L  C  C
Rain shwrs        C  C  D  L
Tstms                      S
Wind chill       30 29 34 36 39 39 39    34 35 37 38 37 36 32 30 30
Min chill        30    29    34    38    33    33    36    32    28    32


Date          Wed 05/03/17  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17
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    60      41    63      43    68      45    68
Temp          45 41 58 58   46 42 60 61   49 44 65 64   49 46 64 65
Dewpt         37 36 42 41   41 40 44 42   41 40 43 44   42 41 43 46
PWind dir        NE    SE      SE    NW       N     N      NE    NE
Wind char        LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    SC SC B1 B1   B1 B1 SC SC   FW FW FW FW   FW FW FW FW
PoP 12hr          5    20      30    20       0     0       0     0
Rain shwrs              S    C        S

$$
IAZ086-302200-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
637 AM CDT Sun Apr 30 2017

Date             Sun 04/30/17            Mon 05/01/17            Tue 05/02/17
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                      53          41          48          40          63
Temp             43 44 49 53 53 49 44 42 42 42 47 48 47 45 42 41 41 52 60 63 61
Dewpt            42 44 46 48 48 44 41 40 39 39 37 37 36 36 35 36 35 40 39 40 40
RH               96100 89 83 83 83 89 93 89 89 68 65 65 70 76 82 79 63 46 43 46
Wind dir         NE NE  E  E SE  S  S  S SW SW  W  W  W  W  W  W  W NW NW NW NW
Wind spd         14 18 18 13  6 10 10  8 12 14 21 23 19 13 12 11 12 14 16 13  8
Clouds           OV OV OV OV B2 B2 B2 OV OV OV OV OV OV B1 SC SC FW FW SC FW SC
PoP 12hr                     90          60          60           5           5
QPF 12hr                   0.53        0.10        0.04           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                          C  C  C  L  C  C  C  C
Rain shwrs        C  C  D  L
Tstms                S  C  S
Wind chill       36 36             38    35 35 39       39 35 34 33
Min chill        36    35          38    34    33    39    34    31    36


Date          Wed 05/03/17  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17
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    62      43    65      45    69      46    70
Temp          47 44 60 60   47 44 63 63   49 46 67 65   50 47 66 67
Dewpt         39 38 42 41   40 40 43 42   41 41 43 45   42 42 44 46
PWind dir        NE     E       E    NE       N     N      NE    NE
Wind char        LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    B1 B1 B1 B1   B1 B1 SC SC   FW FW FW FW   FW FW FW FW
PoP 12hr          5    10      10    20       0     0       0     5
Rain shwrs                            S

$$



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