Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
538 PM CDT Wed Aug 23 2017

IAZ060-241000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
538 PM CDT Wed Aug 23 2017

Date           08/23/17      Thu 08/24/17            Fri 08/25/17            Sat
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                      59          80          62          81          63
Temp             77 68 64 61 60 70 77 80 77 69 66 64 62 70 77 81 79 71 68 65 63
Dewpt            53 54 55 55 55 56 56 56 58 58 57 57 58 60 60 61 60 60 58 58 57
RH               43 61 73 81 84 61 48 44 52 68 73 78 87 71 56 51 52 68 70 78 81
Wind dir          E SE SE SE  E SE SE SE SE SE SE SE SE SE  S  S SE SE SE SE SE
Wind spd          3  3  3  4  4  6  8  9  6  5  6  5  6  9 10  9  8  6  8  6  6
Clouds           FW SC SC B1 B1 B1 B1 SC B1 B1 B2 B2 B2 B2 B2 B1 B2 B1 B2 B2 B2
PoP 12hr                     20           5          20          20           5
QPF 12hr                      0           0        0.03           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S              S  S  S  S  S  S


Date           08/26  Sun 08/27/17  Mon 08/28/17  Tue 08/29/17  Wed 08/30/17
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          80      62    80      60    80      60    80      60    81
Temp          78 78   66 63 77 78   66 61 77 77   65 61 77 78   65 62 78 78
Dewpt         59 59   59 59 62 62   60 59 60 59   59 58 61 60   60 59 60 60
PWind dir        SE       S    SW      NW     N      NE    NE       E     N
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B1   B1 B1 B1 B1   B1 SC SC SC   SC SC SC SC   FW FW FW FW
PoP 12hr         10      40    30      30    20       5    10       5     5
Rain shwrs             S  C  C  C    C        S
Tstms                     S  S  S    S        S

$$
IAZ039-241000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
538 PM CDT Wed Aug 23 2017

Date           08/23/17      Thu 08/24/17            Fri 08/25/17            Sat
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                      55          74          57          73          59
Temp             74 65 59 57 56 65 73 74 71 63 61 59 57 65 72 73 71 65 62 60 60
Dewpt            54 55 55 55 56 57 58 57 59 58 56 56 55 57 58 58 59 59 56 57 56
RH               50 70 87 93100 75 59 55 66 84 84 90 93 75 61 59 66 81 81 90 87
Wind dir         NW NE SE  N  E  E SE SE  E  E SE SE SE SE SE SE SE SE SE SE SE
Wind spd          4  1  1  2  3  5  6  5  5  5  6  6  8  9 10 10  9  8  8  6  8
Clouds           CL FW B1 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     20          20          20          30          20
QPF 12hr                      0        0.01           0        0.05           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S  S              S  S  C  C  C  C  S  S  S  S  S


Date           08/26  Sun 08/27/17  Mon 08/28/17  Tue 08/29/17  Wed 08/30/17
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          76      59    76      58    76      57    77      58    78
Temp          74 74   63 60 75 72   62 59 74 73   61 59 75 74   63 59 76 74
Dewpt         58 59   57 57 60 61   59 57 60 60   58 57 60 61   59 57 59 60
PWind dir        SE      SE     S      SE     E       E    NE       E     N
Wind char        GN      GN    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2   B2 B2 B2 B2   B1 B1 B1 SC   SC SC SC SC   SC SC FW FW
PoP 12hr         20      40    50      50    20      10    10       5     5
Rain shwrs     S       S  C  C  C    C  C  S  S
Tstms                     S     S    S        S

$$
IAZ048-241000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
538 PM CDT Wed Aug 23 2017

Date           08/23/17      Thu 08/24/17            Fri 08/25/17            Sat
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                      58          76          60          78          61
Temp             74 65 61 60 58 67 74 76 73 66 63 62 60 69 74 78 76 68 64 61 61
Dewpt            56 56 56 55 55 57 57 58 58 59 58 58 57 60 60 61 61 61 58 59 57
RH               53 73 84 84 90 70 55 54 59 78 84 87 90 73 62 56 60 78 81 93 87
Wind dir         NE SE SE SE  E SE SE SE  E  E SE SE SE SE SE SE SE SE SE SE SE
Wind spd          2  3  3  3  3  6  8  8  6  6  5  5  6  9 10  9  8  6  8  6  8
Clouds           FW SC B1 SC B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B2 B2 B2
PoP 12hr                     20          10          20          30          10
QPF 12hr                      0           0           0        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S              S  S  S  S  C  C  S  S


Date           08/26  Sun 08/27/17  Mon 08/28/17  Tue 08/29/17  Wed 08/30/17
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          77      60    77      57    78      58    78      58    79
Temp          75 74   64 61 75 74   62 59 75 75   62 60 75 75   63 60 76 76
Dewpt         60 60   59 59 62 62   59 58 60 60   59 58 61 61   60 58 61 61
PWind dir        SE      SE    SW      NW     N      NE    NE       E     N
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2   B1 B2 B1 B1   B1 B1 B1 SC   SC SC SC SC   SC FW FW FW
PoP 12hr         20      50    30      20    20      10    10       0     5
Rain shwrs        S    C  C  C  C    S        S
Tstms                     S  S  S    S        S

$$
IAZ004-241000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
538 PM CDT Wed Aug 23 2017

Date           08/23/17      Thu 08/24/17            Fri 08/25/17            Sat
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                      57          72          59          71          60
Temp             72 63 59 58 57 63 70 72 70 63 62 60 59 63 68 71 70 66 62 61 60
Dewpt            56 58 57 56 56 57 58 59 60 59 58 58 58 60 61 62 63 62 59 58 58
RH               57 84 93 93 96 81 66 64 71 87 87 93 96 90 78 73 78 87 90 90 93
Wind dir         SE  S  S SE SE SE SE SE SE SE SE SE SE SE  S  S SE SE  S SE  S
Wind spd          4  4  4  4  5 10 12 11  8  8  8  9  9 12 13 12 10  8  8  9  9
Clouds           SC B1 B1 B2 B2 B1 B1 B1 B1 B2 B2 B2 B2 OV B2 B2 B2 B1 B2 B2 B2
PoP 12hr                     20          10          30          40          40
QPF 12hr                   0.03           0        0.02        0.07        0.08
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  S  S              S  S  C  C  C  C  C  C  C  C  C  C  C
Tstms                                           S  S  C  C  S  S  S  S        S


Date           08/26  Sun 08/27/17  Mon 08/28/17  Tue 08/29/17  Wed 08/30/17
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          73      59    73      56    74      56    76      57    76
Temp          72 71   62 60 71 71   61 57 72 71   61 57 73 73   62 58 73 73
Dewpt         60 63   60 59 61 62   58 57 59 60   58 56 60 60   60 57 60 60
PWind dir         S       S     W      NW     N      NE    NE       S    NW
Wind char        GN      GN    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2   B2 B2 B2 B1   B1 B1 B1 SC   SC SC SC SC   FW FW FW FW
PoP 12hr         60      60    30      20    20       5    10       0     0
Rain shwrs     C  L    L  C  C  C       S  S  S
Tstms          S  C    C  C  S  S

$$
IAZ035-241000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
538 PM CDT Wed Aug 23 2017

Date           08/23/17      Thu 08/24/17            Fri 08/25/17            Sat
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                      58          75          60          77          61
Temp             74 65 61 60 58 67 73 75 73 66 63 62 60 68 74 77 75 68 65 62 62
Dewpt            56 56 56 55 54 56 57 58 59 58 57 57 57 60 60 61 61 61 58 58 57
RH               53 73 84 84 86 68 57 55 62 75 81 84 90 76 62 58 62 78 78 87 84
Wind dir         SE  E SE SE SE SE SE SE SE SE SE SE SE SE SE  S SE SE SE SE SE
Wind spd          3  4  4  4  5  9 10 10  8  9  8  9  8 12 12 11  9  9  9  9  9
Clouds           FW SC B2 B1 B2 B2 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2
PoP 12hr                     20          20          30          30          20
QPF 12hr                   0.01           0        0.01        0.03           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  S  S  S           S  S  C  C  C  C  S  S        S  S  S
Tstms                                           S  S  S  S


Date           08/26  Sun 08/27/17  Mon 08/28/17  Tue 08/29/17  Wed 08/30/17
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          76      60    76      57    76      58    78      58    78
Temp          74 74   64 61 74 74   63 58 74 73   63 59 75 75   63 59 75 75
Dewpt         60 61   60 58 61 62   58 56 60 60   58 56 60 61   59 57 60 60
PWind dir         S       S    SW      NW     N      NE     E       E     N
Wind char        GN      GN    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2   B2 B2 B2 B1   B1 B1 B1 SC   SC SC SC SC   FW FW FW FW
PoP 12hr         40      50    40      20    20       5    10       5     5
Rain shwrs     S  C    C  C  C  C    S        S
Tstms             S    S  S  S  S    S

$$
IAZ094-241000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
538 PM CDT Wed Aug 23 2017

Date           08/23/17      Thu 08/24/17            Fri 08/25/17            Sat
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                      58          80          60          81          61
Temp             76 67 62 61 59 71 78 80 78 68 65 62 61 71 78 81 79 70 66 63 61
Dewpt            53 54 53 54 54 56 55 56 58 58 57 57 57 59 59 59 59 60 57 57 57
RH               45 63 72 78 83 59 45 44 50 70 75 84 87 66 52 47 50 71 73 81 87
Wind dir          E  S  S  S SE SE  S  S SE SE SE SE SE SE  S  S SE SE SE SE SE
Wind spd          3  3  3  3  4  5  9 10  6  5  5  5  6  9 10 10  8  6  8  6  6
Clouds           FW FW FW SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1
PoP 12hr                      5           5           5           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           08/26  Sun 08/27/17  Mon 08/28/17  Tue 08/29/17  Wed 08/30/17
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          80      60    80      59    80      60    80      60    81
Temp          78 79   67 61 77 77   65 60 78 77   64 61 77 78   66 61 79 78
Dewpt         58 59   58 58 61 61   60 59 59 60   60 59 60 60   60 59 60 60
PWind dir         S       S    SW      NW     N      NE    NE      SE     N
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1   B1 B1 B1 B1   B1 SC SC SC   SC SC SC SC   FW FW FW FW
PoP 12hr          5      30    40      30    20      10    20       5     0
Rain shwrs                C  S  C    C        S          S
Tstms                     S  S       S

$$
IAZ017-241000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
538 PM CDT Wed Aug 23 2017

Date           08/23/17      Thu 08/24/17            Fri 08/25/17            Sat
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                      55          72          57          72          59
Temp             72 63 58 56 56 65 71 72 69 62 60 58 58 63 71 72 70 65 62 60 60
Dewpt            54 54 55 56 56 58 58 58 59 58 58 57 56 59 59 60 60 60 57 58 57
RH               53 72 90100100 78 63 61 70 87 93 96 93 87 66 66 71 84 84 93 90
Wind dir         NW  S SW  S SE SE SE SE  E SE SE SE SE SE SE SE SE SE SE SE SE
Wind spd          3  3  4  3  4  8  9  8  6  6  6  8  8 11 12 11 10 10  9  9  9
Clouds           FW SC B1 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 OV B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     30          30          30          40          30
QPF 12hr                   0.03           0        0.01        0.13        0.04
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S  C  S              C  C  C  C  C  C  C  C  C  C  S
Tstms                                                 S  S  S  S


Date           08/26  Sun 08/27/17  Mon 08/28/17  Tue 08/29/17  Wed 08/30/17
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          74      59    74      57    75      56    76      57    76
Temp          73 72   63 60 72 71   61 58 73 71   61 57 74 73   62 58 74 72
Dewpt         60 60   58 59 60 61   58 57 59 60   57 56 60 60   59 57 59 60
PWind dir        SE      SE     S      SW    NE       E     E       E    NW
Wind char        GN      GN    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2   B2 B2 B2 B2   B1 B1 B1 B1   SC SC SC SC   SC FW FW FW
PoP 12hr         40      50    40      30    20      10    10      10     0
Rain shwrs     S  C    C  C  C  C    C  S  S  S
Tstms             S    S  S  S  S    S        S

$$
IAZ049-241000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
538 PM CDT Wed Aug 23 2017

Date           08/23/17      Thu 08/24/17            Fri 08/25/17            Sat
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                      56          74          58          76          59
Temp             73 64 59 58 57 66 72 74 71 64 61 60 58 67 74 76 73 66 62 60 58
Dewpt            54 54 55 55 56 57 57 58 59 58 57 57 56 59 59 60 60 59 57 57 56
RH               51 70 87 90 96 73 59 57 66 81 87 90 93 75 59 58 64 78 84 90 93
Wind dir          N  E SE  E  E SE SE SE  E  E SE SE SE SE SE SE SE SE SE SE SE
Wind spd          3  2  3  3  3  5  6  6  6  6  6  8  8  9 10  9  9  9  8  6  8
Clouds           FW SC B1 B2 B2 B2 B2 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2
PoP 12hr                     20          10          20          30          10
QPF 12hr                      0           0        0.01        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S                    S  S  C  C  S  S


Date           08/26  Sun 08/27/17  Mon 08/28/17  Tue 08/29/17  Wed 08/30/17
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          76      59    77      57    77      57    77      57    77
Temp          75 73   64 60 75 74   63 58 75 73   61 59 75 74   62 59 75 74
Dewpt         59 59   57 57 61 62   59 57 60 61   59 57 60 61   59 57 60 60
PWind dir        SE      SE     S      SE    NE      NE    NE      NE     N
Wind char        GN      GN    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2   B2 B2 B2 B1   B1 B1 B1 SC   SC SC SC SC   SC SC FW FW
PoP 12hr         10      40    50      40    20      10    20       0     5
Rain shwrs             S  C  C  C    C  S  S  S          S
Tstms                     S  S  S    S        S

$$
IAZ086-241000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
538 PM CDT Wed Aug 23 2017

Date           08/23/17      Thu 08/24/17            Fri 08/25/17            Sat
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                      57          80          59          80          60
Temp             75 66 61 60 58 71 78 80 76 66 63 62 60 70 78 80 78 70 65 61 61
Dewpt            52 52 53 53 54 55 55 55 57 56 56 56 56 58 58 59 58 59 57 57 55
RH               45 61 75 78 86 57 45 42 52 70 78 81 87 66 50 49 50 68 75 87 81
Wind dir          N SE  S SE  E  E SE SE  E  E  E SE SE SE SE SE SE SE SE SE SE
Wind spd          4  3  2  3  3  6  6  6  6  6  6  5  6  9 10  9  8  8  8  6  6
Clouds           CL FW FW SC B1 SC B1 SC SC B1 B1 B1 B2 B1 B2 B1 B2 B1 B2 B1 B1
PoP 12hr                     10           5           5          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           08/26  Sun 08/27/17  Mon 08/28/17  Tue 08/29/17  Wed 08/30/17
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          80      59    81      59    80      59    80      59    81
Temp          78 77   65 60 79 75   64 60 78 76   64 61 78 77   65 61 79 77
Dewpt         57 57   56 56 59 61   59 58 60 60   60 58 60 60   60 58 59 60
PWind dir        SE      SE    SE       E     E       E    NE      NE     N
Wind char        GN      GN    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1   B1 B1 B1 B1   B1 B1 B1 SC   SC SC SC SC   SC FW SC FW
PoP 12hr          5      20    40      50    30      10    10       5    10
Rain shwrs                S     C    C  S  S  C
Tstms                                S        S

$$



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