Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
607 AM CDT Wed Sep 20 2017

IAZ060-202200-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
607 AM CDT Wed Sep 20 2017

Date             Wed 09/20/17            Thu 09/21/17            Fri 09/22/17
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                      88          66          89          72          91
Temp             72 78 85 88 81 72 69 67 67 74 84 89 85 79 76 74 72 81 88 91 84
Dewpt            68 70 68 66 63 62 62 62 64 68 71 72 70 70 68 68 67 69 69 68 68
RH               87 76 57 48 54 71 78 84 90 82 65 57 61 74 76 82 84 67 54 47 59
Wind dir          S SW  W NW  N  N NE  E  E SE  S  S  S  S  S  S  S  S  S  S  S
Wind spd          9 11  8  6  4  4  5  4  5  8 12 16 12  9 10  8  9 11 14 12 11
Clouds           SC SC B1 SC SC FW SC B1 B1 B1 SC FW FW SC SC SC SC FW FW FW FW
PoP 12hr                     10          20          20          10           5
QPF 12hr                      0        0.04           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  S  S  S
Tstms                               S  S  S  S
Heat index                                     89 96 90
Max heat               90    91    81          90    96    87          92    95


Date          Sat 09/23/17  Sun 09/24/17  Mon 09/25/17  Tue 09/26/17
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          70    89      68    87      64    81      59    72
Temp          74 70 87 84   73 69 86 81   71 65 80 74   65 59 71 69
Dewpt         67 65 67 66   65 64 65 63   63 61 64 62   62 58 59 56
PWind dir         S     S       S     S       S     S       E    NW
Wind char        GN    GN      LT    GN      LT    LT      LT    LT
Avg clouds    FW FW FW SC   FW FW FW SC   SC B1 B1 B1   B2 B2 B2 B2
PoP 12hr          0     5       5     5      20    40      50    30
Rain shwrs                                    S  C  C    C  C  C  C
Tstms                                         S  C  C    C  C  C  S

$$
IAZ039-202200-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
607 AM CDT Wed Sep 20 2017

Date             Wed 09/20/17            Thu 09/21/17            Fri 09/22/17
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                      85          60          87          69          90
Temp             68 76 84 84 78 68 64 61 61 71 81 87 82 76 73 71 70 79 87 90 83
Dewpt            65 69 69 67 64 62 60 57 58 63 68 69 69 68 66 67 66 68 67 66 66
RH               90 79 61 57 62 81 87 87 90 76 65 55 65 76 79 87 87 69 52 45 57
Wind dir          S  S SW NW  N  N NE NE  E  E SE  S  S  S  S  S  S  S  S  S  S
Wind spd         10 11  9  6  5  4  4  3  5  8 11 14 11  8  9  8  8 11 16 14 11
Wind gust                                                              26
Clouds           B1 B1 B1 B1 SC SC SC SC B1 B1 SC SC FW FW SC SC SC FW FW FW FW
PoP 12hr                     10          10          20          10           5
QPF 12hr                      0           0        0.02           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S
Tstms                                     S  S


Date          Sat 09/23/17  Sun 09/24/17  Mon 09/25/17  Tue 09/26/17
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          68    89      67    87      63    81      58    73
Temp          73 69 88 83   72 68 86 79   69 64 80 74   64 59 72 69
Dewpt         65 64 65 65   63 63 63 62   61 60 62 61   60 57 57 56
PWind dir         S     S       S     S       S     S       W    NW
Wind char        GN    GN      LT    GN      LT    LT      LT    LT
Avg clouds    FW FW SC SC   SC FW SC SC   SC SC SC B1   B2 B2 B2 B2
PoP 12hr          5     5       5     5      10    30      50    40
Rain shwrs                                       C  C    C  C  C  C
Tstms                                            C  C    C  C  C  S

$$
IAZ048-202200-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
607 AM CDT Wed Sep 20 2017

Date             Wed 09/20/17            Thu 09/21/17            Fri 09/22/17
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                      86          62          89          72          91
Temp             71 76 83 86 79 69 65 63 63 73 84 89 85 78 76 74 73 81 88 91 84
Dewpt            67 70 67 64 62 59 60 59 61 66 71 71 70 70 68 68 67 69 69 68 68
RH               87 82 59 48 56 70 84 87 93 79 65 56 61 76 76 82 81 67 54 47 59
Wind dir          S SW  W NW  N  N NE  E  E SE  S  S  S  S  S  S  S  S  S  S  S
Wind spd          8 10  9  6  4  4  4  4  5  9 11 16 11  9  9  8  9 12 16 14 11
Clouds           SC SC SC SC FW FW SC B1 B1 B1 SC FW FW SC SC SC SC SC FW FW FW
PoP 12hr                     10          10          20          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S
Tstms                                     S  S
Heat index                                        95
Max heat               87    89                90    96    88          94    96


Date          Sat 09/23/17  Sun 09/24/17  Mon 09/25/17  Tue 09/26/17
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          69    88      66    86      63    80      57    71
Temp          75 69 87 83   72 67 85 79   70 64 79 72   63 57 70 68
Dewpt         67 65 67 66   65 63 65 64   62 61 64 62   60 57 58 56
PWind dir         S     S       S     S       S     S       N    NW
Wind char        GN    GN      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW SC SC   SC SC SC SC   SC B1 B1 B2   B2 B2 B2 B2
PoP 12hr          5     5       5     5      20    40      40    30
Rain shwrs                                    S  C  C    C  C  C  C
Tstms                                         S  C  C    C  C  C  S

$$
IAZ004-202200-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
607 AM CDT Wed Sep 20 2017

Date             Wed 09/20/17            Thu 09/21/17            Fri 09/22/17
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                      75          54          84          71          90
Temp             65 65 72 75 70 60 56 55 55 69 78 84 82 76 74 74 71 78 86 90 84
Dewpt            63 57 56 52 54 52 52 51 51 59 66 68 69 69 68 68 67 69 69 67 68
RH               93 75 57 45 57 75 86 86 86 70 67 59 65 79 82 82 87 74 57 47 59
Wind dir          W NW NW NW  N SE  E  E SE SE SE  S  S  S  S  S  S  S  S  S  S
Wind spd          8 11  9  6  2  2  3  4  5 11 16 18 12 12 12 12 11 16 20 19 13
Wind gust                                                  25 25       31 29
Clouds           B1 FW CL CL CL CL CL CL FW SC SC SC SC SC SC SC B1 SC FW SC SC
PoP 12hr                      5           0           5          20           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S                    S
Tstms                                                 S  S                    S


Date          Sat 09/23/17  Sun 09/24/17  Mon 09/25/17  Tue 09/26/17
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          70    84      62    79      58    69      51    65
Temp          75 70 83 79   69 63 78 73   63 58 69 65   58 51 64 62
Dewpt         67 65 66 67   63 62 64 63   60 58 62 59   55 51 52 52
PWind dir         S     S       S     S      SE    SW      NW    NW
Wind char        GN    GN      LT    GN      LT    LT      LT    GN
Avg clouds    SC B1 B1 B1   B1 B1 B1 B1   B1 B2 B2 OV   B2 B2 B2 B2
PoP 12hr         20    40      40    30      40    60      30    20
Rain shwrs     S  S  S  C    C  S  S  C    C  C  L  C    S  C  S
Tstms          S  S  S  S    C  S  S  C    C  C  C  C    S  C  S

$$
IAZ035-202200-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
607 AM CDT Wed Sep 20 2017

Date             Wed 09/20/17            Thu 09/21/17            Fri 09/22/17
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                      80          59          88          72          91
Temp             70 70 78 80 73 64 61 59 60 70 81 88 83 78 76 73 72 78 86 91 83
Dewpt            66 64 61 57 56 55 55 54 57 62 67 69 68 69 68 67 67 68 69 67 67
RH               87 81 56 45 55 73 81 83 90 76 63 54 61 74 76 81 84 71 57 45 59
Wind dir          S NW NW NW  N NE  E  E  E SE  S  S  S  S  S  S  S  S  S  S  S
Wind spd          9  9  9  6  4  3  4  4  6 10 13 17 13 12 12 11 12 14 17 17 13
Wind gust                                                  23 23
Clouds           B1 SC FW FW CL CL FW FW SC B1 SC SC SC SC SC SC SC SC FW FW FW
PoP 12hr                      5          10          10          20           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S
Tstms                                                 S  S


Date          Sat 09/23/17  Sun 09/24/17  Mon 09/25/17  Tue 09/26/17
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          70    87      68    85      62    76      55    68
Temp          75 71 86 82   74 69 84 78   68 63 76 69   60 55 66 66
Dewpt         67 65 66 65   64 62 63 62   62 60 64 61   58 53 55 53
PWind dir         S     S       S     S       S     S       N    NW
Wind char        GN    GN      GN    GN      LT    LT      LT    GN
Avg clouds    FW SC SC SC   SC SC SC SC   SC B1 B2 B2   B2 B2 B2 B2
PoP 12hr          5    10      10    10      30    50      40    30
Rain shwrs                                    C  C  C    C  C  C  S
Tstms                                         C  C  C    C  C  C  S

$$
IAZ094-202200-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
607 AM CDT Wed Sep 20 2017

Date             Wed 09/20/17            Thu 09/21/17            Fri 09/22/17
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                      86          67          88          70          89
Temp             71 78 86 85 79 70 69 68 68 76 85 88 83 77 75 72 70 79 87 88 82
Dewpt            68 71 69 69 68 66 66 66 66 70 72 72 71 70 68 68 67 69 69 68 68
RH               90 79 57 59 69 87 90 93 93 82 65 59 67 79 79 87 90 72 55 52 63
Wind dir          S SW SW  W NW NE  E SE SE  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd          9 11  9  6  4  4  5  4  5  9 12 14 11  8  9  8  9 11 13 12 10
Clouds           SC SC SC B1 B1 B1 B2 B2 B1 B1 SC FW FW SC SC SC SC FW FW FW FW
PoP 12hr                     10          40          30           5           5
QPF 12hr                      0        0.15        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S  C  C  C  C  C
Tstms                         S  C  C  C  S  S
Heat index                                     91 95 88
Max heat               91    91                92    95    85          91    93


Date          Sat 09/23/17  Sun 09/24/17  Mon 09/25/17  Tue 09/26/17
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          69    87      66    85      64    81      59    74
Temp          73 69 86 82   72 67 84 79   69 65 80 75   64 60 73 70
Dewpt         67 65 67 66   65 64 65 64   63 61 64 63   62 58 60 57
PWind dir         S     S       S     S       S     S      SW    NW
Wind char        GN    GN      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW FW FW   FW FW FW SC   SC SC B1 B1   B2 B2 B2 B2
PoP 12hr          0     5       5     5      10    40      50    40
Rain shwrs                                       C  C    C  C  C  C
Tstms                                            C  C    C  C  C  S

$$
IAZ017-202200-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
607 AM CDT Wed Sep 20 2017

Date             Wed 09/20/17            Thu 09/21/17            Fri 09/22/17
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                      80          56          85          71          89
Temp             69 72 78 80 74 63 59 57 57 71 80 85 82 76 75 73 72 79 86 89 83
Dewpt            66 68 63 58 57 55 53 52 54 60 65 68 69 69 67 67 67 69 68 66 67
RH               90 87 60 47 55 75 80 83 90 68 60 57 65 79 76 81 84 72 55 47 59
Wind dir          S SW NW NW  N  N NE  E  E SE SE  S  S  S  S  S  S  S  S  S  S
Wind spd         10 11  9  8  5  3  3  4  6 11 13 16 12 11 11 11 10 14 18 17 13
Clouds           B2 B1 SC FW CL CL FW CL SC SC SC SC SC SC SC SC SC SC FW FW FW
PoP 12hr                     10           5           5          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs


Date          Sat 09/23/17  Sun 09/24/17  Mon 09/25/17  Tue 09/26/17
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          70    87      68    84      61    77      55    68
Temp          75 71 86 81   74 69 83 78   68 62 77 68   60 55 67 64
Dewpt         65 65 66 65   64 63 63 62   62 60 63 61   59 54 55 54
PWind dir         S     S       S     S       S    SW      NW    NW
Wind char        GN    GN      GN    GN      LT    GN      LT    GN
Avg clouds    FW SC SC SC   SC SC SC SC   SC B1 B1 B2   B2 B2 B2 B2
PoP 12hr          5    20       5    10      30    50      40    30
Rain shwrs              S                     C  C  C    C  C  C  S
Tstms                   S                     C  C  C    C  C  C  S

$$
IAZ049-202200-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
607 AM CDT Wed Sep 20 2017

Date             Wed 09/20/17            Thu 09/21/17            Fri 09/22/17
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                      84          63          88          70          90
Temp             69 76 82 84 77 69 66 63 64 73 82 88 83 76 74 72 71 80 87 90 84
Dewpt            66 70 68 66 64 62 61 59 60 65 69 70 69 68 67 66 66 68 67 66 66
RH               90 82 63 55 64 78 84 87 87 76 65 55 63 76 79 81 84 67 52 45 55
Wind dir          S  S SW  W  N  N NE NE  E SE  S  S  S  S  S  S  S  S  S  S  S
Wind spd          9 11 10  6  4  4  4  4  5  8 12 16 10  9  9  8  8 11 14 14 10
Clouds           SC B1 B1 B1 SC SC SC B1 B1 B1 SC FW FW FW SC SC SC FW FW FW FW
PoP 12hr                     10          10          20          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S
Tstms                                     S  S
Heat index                                        93
Max heat               86    88                87    93    85          91    93


Date          Sat 09/23/17  Sun 09/24/17  Mon 09/25/17  Tue 09/26/17
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          69    89      66    86      62    80      57    72
Temp          74 70 88 83   71 67 85 79   69 63 79 73   63 58 71 66
Dewpt         65 64 65 65   64 62 63 63   61 60 63 62   61 56 58 56
PWind dir         S     S       S     S       S     S       W    NW
Wind char        GN    GN      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW FW SC   SC FW FW SC   SC SC B1 B1   B2 B2 B2 B2
PoP 12hr          5     5       5     5      20    30      50    40
Rain shwrs                                    S  C  C    C  C  C  C
Tstms                                         S  C  C    C  C  C  S

$$
IAZ086-202200-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
607 AM CDT Wed Sep 20 2017

Date             Wed 09/20/17            Thu 09/21/17            Fri 09/22/17
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                      88          67          89          69          91
Temp             71 79 86 87 79 73 70 68 67 76 86 89 84 76 74 72 70 81 89 91 84
Dewpt            66 71 71 71 70 69 68 66 66 70 71 71 69 68 66 66 66 69 68 66 66
RH               84 77 61 59 74 87 93 93 97 82 61 56 61 76 76 81 87 67 50 44 55
Wind dir          S  S SW SW  W  N NE  E SE SE  S  S  S  S  S  S  S  S  S  S  S
Wind spd          9 12 11  9  5  4  4  5  4  8 11 13 10  8  6  6  6 10 13 11  9
Clouds           FW SC SC B1 B1 B1 B2 B2 B1 B1 SC SC FW FW SC FW FW FW FW FW FW
PoP 12hr                     20          40          10           5           5
QPF 12hr                   0.01        0.32           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  C  C  C  C
Tstms                      S  C  C  C  C
Heat index             91 92                   91 95
Max heat               91    94                91    95    84          93    94


Date          Sat 09/23/17  Sun 09/24/17  Mon 09/25/17  Tue 09/26/17
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          68    90      66    88      64    83      60    76
Temp          73 69 89 83   72 67 87 81   70 65 82 76   65 61 75 70
Dewpt         65 64 66 65   63 63 64 63   61 61 62 62   62 59 60 58
PWind dir         S     S       S     S       S     S      SW     W
Wind char        LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW FW FW   FW FW FW SC   SC SC SC B1   B1 B2 B2 B2
PoP 12hr          0     5       5     5       5    20      30    40
Rain shwrs                                       S  S    C  C  C  C
Tstms                                            S  S    C  C  C  C

$$



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