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Issued by NWS Des Moines, IA

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PFMDMX

Point Forecast Matrices
National Weather Service Des Moines IA
1221 PM CDT Tue Sep 19 2017

IAZ060-192200-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
1221 PM CDT Tue Sep 19 2017

Date             Tue 09/19/17            Wed 09/20/17            Thu 09/21/17
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          70          85          65          89
Temp                   74 81 79 75 74 72 70 76 83 85 79 70 68 65 66 75 83 89 84
Dewpt                  68 70 69 68 67 66 67 67 66 62 61 59 60 59 62 66 71 70 69
RH                     82 69 72 79 79 81 90 74 57 46 54 68 76 81 87 74 67 54 61
Wind dir               SE SE SE SE  S  S  S SW  W NW  N  N NE  E  E SE  S  S  S
Wind spd               10 13 13 13 14 13 10 10  9  6  4  4  4  5  5  9 11 12 11
Clouds                 B1 SC SC SC SC SC SC SC SC FW FW FW SC SC B1 SC SC FW FW
PoP 12hr                     10          10          10          20          20
QPF 12hr                      0           0           0        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S  S  S  S  S
Tstms                                                 S  S  S  S  S  S
Heat index                                                             88 94
Max heat                     85                86    86                89    94


Date          Fri 09/22/17  Sat 09/23/17  Sun 09/24/17  Mon 09/25/17
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          71    91      70    87      66    84      64    79
Temp          75 71 89 87   76 71 86 82   72 67 83 79   69 65 78 73
Dewpt         68 66 68 67   66 65 66 64   64 62 65 63   62 60 63 61
PWind dir         S     S       S     S       S     S       S    SW
Wind char        GN    GN      GN    GN      GN    GN      LT    LT
Avg clouds    FW FW FW FW   FW FW FW FW   SC SC SC SC   SC B1 B2 B2
PoP 12hr         10     5       5     5       5     5      20    40
Rain shwrs                                                  S  C  C
Tstms                                                       S  S  C

$$
IAZ039-192200-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
1221 PM CDT Tue Sep 19 2017

Date             Tue 09/19/17            Wed 09/20/17            Thu 09/21/17
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                      81          67          83          59          87
Temp                   74 79 76 71 70 68 67 74 82 82 76 67 62 59 61 73 83 87 82
Dewpt                  65 66 65 64 64 64 65 68 67 63 63 59 59 56 58 62 67 68 67
RH                     74 64 69 79 81 87 93 82 61 53 64 75 90 90 90 68 59 53 61
Wind dir               SE SE SE SE SE SE  S  S  W NW NW  N NE NE  E SE SE  S  S
Wind spd                9 12 11 12 14 14 12 12 10  8  5  3  3  4  5  9 11 12 11
Clouds                 B1 SC FW SC SC B1 B1 B1 SC SC FW FW SC FW SC SC SC FW FW
PoP 12hr                      5          20          10          20          10
QPF 12hr                      0        0.01           0        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S              S  S  S  S
Tstms                                  S              S  S  S  S


Date          Fri 09/22/17  Sat 09/23/17  Sun 09/24/17  Mon 09/25/17
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      67    86      64    84      61    79
Temp          73 69 89 83   74 68 85 80   70 65 83 77   66 62 78 71
Dewpt         66 65 67 66   65 63 65 63   63 61 63 62   61 59 62 60
PWind dir         S     S       S     S       S     S       S    SW
Wind char        GN    GN      GN    GN      LT    GN      LT    LT
Avg clouds    FW FW FW FW   FW FW FW FW   SC SC SC SC   SC B1 B2 B2
PoP 12hr         10    10       5     5       5     5      20    40
Rain shwrs                                                  S  C  C
Tstms                                                       S  S  C

$$
IAZ048-192200-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
1221 PM CDT Tue Sep 19 2017

Date             Tue 09/19/17            Wed 09/20/17            Thu 09/21/17
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                      83          67          83          60          88
Temp                   73 79 77 72 70 68 67 73 80 83 76 67 62 60 62 74 83 88 83
Dewpt                  67 69 68 67 66 66 66 67 64 60 61 56 59 57 60 63 69 70 69
RH                     81 72 74 84 87 93 97 81 58 46 60 68 90 90 93 69 63 55 63
Wind dir               SE SE SE SE  S  S  S  W NW NW  N  N NE  E  E SE  S  S  S
Wind spd               11 14 13 13 16 13 10 10  9  6  4  3  3  4  5  9 12 13 11
Wind gust                                                                 24
Clouds                 B1 SC SC SC B1 SC SC SC SC FW FW FW SC FW SC SC SC FW FW
PoP 12hr                     10          10          10          20          10
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                                       82    84                87    93


Date          Fri 09/22/17  Sat 09/23/17  Sun 09/24/17  Mon 09/25/17
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    91      69    86      65    84      62    78
Temp          75 71 89 86   76 70 85 81   71 66 83 78   67 63 77 70
Dewpt         68 66 68 68   66 64 65 65   63 62 64 63   61 59 63 61
PWind dir         S     S       S     S       S     S       S    SW
Wind char        GN    GN      GN    GN      GN    GN      LT    LT
Avg clouds    FW FW SC SC   FW FW FW SC   SC SC SC SC   B1 B1 B2 B2
PoP 12hr         10    10       5     5       5    10      20    50
Rain shwrs                                               S  S  C  C
Tstms                                                    S  S  S  C

$$
IAZ004-192200-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
1221 PM CDT Tue Sep 19 2017

Date             Tue 09/19/17            Wed 09/20/17            Thu 09/21/17
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                      79          61          75          53          83
Temp                   71 76 75 72 70 66 61 65 72 75 70 59 56 54 55 67 77 83 79
Dewpt                  66 68 67 66 66 64 60 59 54 51 53 50 50 49 52 57 65 67 68
RH                     84 76 76 81 87 93 97 81 53 43 55 72 80 83 90 70 67 59 69
Wind dir               SE SE SE SE  S  S  W NW NW  W  W  S  E SE SE SE SE  S  S
Wind spd               13 19 18 20 20 13  9 11 11  8  3  2  3  4  5 10 14 17 12
Wind gust                                                              25 27
Clouds                 B2 SC SC B1 B2 B1 B1 FW FW CL CL CL FW CL SC FW SC FW SC
PoP 12hr                     10          40           5           5           5
QPF 12hr                      0        0.09           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          C  C                                      S
Tstms                               C  C                                      S


Date          Fri 09/22/17  Sat 09/23/17  Sun 09/24/17  Mon 09/25/17
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      68    80      62    76      56    67
Temp          73 69 88 84   75 68 79 75   68 63 76 69   61 56 66 64
Dewpt         67 65 69 67   66 64 66 65   62 60 64 63   59 56 57 55
PWind dir         S     S       S     S       S     S      SE    NW
Wind char        GN    BZ      GN    GN      GN    GN      LT    GN
Avg clouds    SC FW SC SC   B1 B1 B1 B1   B1 B1 B2 B2   B2 B2 B2 B2
PoP 12hr         20     5      40    30      40    60      60    60
Rain shwrs     S             S  C  C  C    C  C  C  L    C  L  L  C
Tstms          S             S  S  S  S    S  S  S  C    S  S  S  S

$$
IAZ035-192200-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
1221 PM CDT Tue Sep 19 2017

Date             Tue 09/19/17            Wed 09/20/17            Thu 09/21/17
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                      82          67          80          57          87
Temp                   74 79 77 73 72 69 67 70 77 80 73 63 60 57 60 71 82 87 82
Dewpt                  67 69 67 66 66 65 64 63 59 55 56 53 54 53 56 60 67 69 68
RH                     79 72 71 79 81 87 90 78 54 42 55 70 81 86 87 68 61 55 63
Wind dir               SE SE SE SE  S  S SW  W NW NW  N  N  E  E SE SE SE  S  S
Wind spd               13 17 16 18 19 14  9 10 10  8  4  3  3  4  6 11 13 16 13
Wind gust                                                                 26
Clouds                 B1 SC SC SC B1 B1 B1 SC FW CL FW CL FW FW SC SC SC FW SC
PoP 12hr                     10          20           5          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S                                      S
Tstms                                  S                                      S


Date          Fri 09/22/17  Sat 09/23/17  Sun 09/24/17  Mon 09/25/17
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          71    90      69    85      65    82      60    73
Temp          75 72 89 84   76 70 84 79   71 66 82 74   66 60 72 67
Dewpt         67 66 68 68   66 63 65 64   63 61 64 63   61 58 61 58
PWind dir         S     S       S     S       S     S       S    SW
Wind char        GN    GN      GN    GN      GN    GN      LT    LT
Avg clouds    SC FW SC SC   SC SC SC SC   SC SC B1 B1   B1 B2 B2 B2
PoP 12hr         20    10      10    10      10    30      40    50
Rain shwrs     S                                    C    C  C  C  C
Tstms          S                                    C    S  S  S  C

$$
IAZ094-192200-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
1221 PM CDT Tue Sep 19 2017

Date             Tue 09/19/17            Wed 09/20/17            Thu 09/21/17
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          69          86          66          88
Temp                   76 81 79 74 73 71 69 78 85 85 80 71 69 68 67 75 84 88 82
Dewpt                  68 69 69 68 67 67 67 69 68 65 66 64 64 62 65 69 71 69 69
RH                     76 67 72 82 81 87 93 74 57 51 62 79 84 81 93 82 65 54 65
Wind dir               SE SE SE  S  S  S  S SW  W NW  N NE  E  E SE SE  S  S  S
Wind spd               10 13 13 12 13 13 10 11 10  6  4  3  4  5  6  9 11 13 11
Clouds                 SC FW SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC FW FW
PoP 12hr                     10          10          10          40          20
QPF 12hr                      0           0           0        0.07           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  C  C  S  S
Tstms                                                 S  S  S  S  S  S


Date          Fri 09/22/17  Sat 09/23/17  Sun 09/24/17  Mon 09/25/17
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      68    85      65    83      63    80
Temp          74 70 88 83   74 69 84 80   70 66 82 78   68 64 79 73
Dewpt         68 66 67 67   66 64 66 65   64 62 64 63   62 60 62 61
PWind dir         S     S       S     S       S     S       S    SW
Wind char        GN    GN      GN    GN      LT    GN      LT    LT
Avg clouds    FW FW FW FW   FW FW FW FW   FW SC SC SC   SC B1 B1 B2
PoP 12hr          5     5       5     5       5    10      20    40
Rain shwrs                                                  S  C  C
Tstms                                                       S  S  C

$$
IAZ017-192200-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
1221 PM CDT Tue Sep 19 2017

Date             Tue 09/19/17            Wed 09/20/17            Thu 09/21/17
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          64          78          55          85
Temp                   71 76 73 67 67 66 64 70 75 78 71 62 58 55 57 70 81 85 81
Dewpt                  65 67 66 65 64 65 64 65 60 57 57 54 54 52 54 59 65 67 68
RH                     81 74 79 93 90 97100 84 60 48 61 75 86 90 90 68 58 55 65
Wind dir               SE SE SE SE SE  S  S  W NW NW NW  N NE  E  E SE SE  S  S
Wind spd               11 16 14 16 18 17 11 10 11  9  4  3  3  4  6 11 14 16 12
Clouds                 B1 SC SC SC B1 B1 B1 SC FW FW FW CL FW FW SC FW SC FW SC
PoP 12hr                      5          20          10          10          10
QPF 12hr                      0        0.02           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S                    S  S
Tstms                                  S                    S  S


Date          Fri 09/22/17  Sat 09/23/17  Sun 09/24/17  Mon 09/25/17
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      68    84      64    81      59    74
Temp          73 69 88 84   75 69 83 78   69 65 80 74   65 60 73 67
Dewpt         66 66 67 67   65 63 65 64   62 61 63 63   61 59 61 59
PWind dir         S     S       S     S       S     S       S    SW
Wind char        GN    GN      GN    GN      GN    GN      LT    LT
Avg clouds    FW FW SC SC   SC SC SC SC   SC SC SC B1   B1 B2 B2 B2
PoP 12hr         10    10      10     5      10    20      40    50
Rain shwrs                                       S  S    C  C  C  C
Tstms                                            S  S    S  S  S  C

$$
IAZ049-192200-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
1221 PM CDT Tue Sep 19 2017

Date             Tue 09/19/17            Wed 09/20/17            Thu 09/21/17
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                      81          67          83          60          87
Temp                   75 78 76 71 70 69 67 75 81 83 77 66 63 61 62 73 82 87 82
Dewpt                  67 67 66 66 65 65 65 67 66 62 62 59 59 58 59 63 68 69 68
RH                     76 69 71 84 84 87 93 76 60 49 60 78 87 90 90 71 63 55 63
Wind dir               SE SE SE SE SE  S  S SW  W NW  N  N NE NE  E SE SE  S  S
Wind spd               10 13 12 13 16 14 11 11 10  8  4  3  4  5  5  9 12 13 10
Clouds                 B1 SC FW SC SC SC SC SC SC FW FW FW SC SC SC SC SC FW FW
PoP 12hr                      5          10          10          20          10
QPF 12hr                      0        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S
Tstms                                                       S  S


Date          Fri 09/22/17  Sat 09/23/17  Sun 09/24/17  Mon 09/25/17
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    90      67    86      63    83      61    78
Temp          74 70 89 84   74 68 85 80   70 64 82 76   66 62 77 71
Dewpt         67 65 67 66   64 63 65 63   62 61 63 62   61 59 61 60
PWind dir         S     S       S     S       S     S       S    SW
Wind char        GN    GN      GN    GN      LT    GN      LT    LT
Avg clouds    FW FW FW FW   FW FW FW FW   SC SC SC SC   SC B1 B2 B2
PoP 12hr          5    10       5     5       5     5      20    40
Rain shwrs                                                  S  C  C
Tstms                                                       S  S  C

$$
IAZ086-192200-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
1221 PM CDT Tue Sep 19 2017

Date             Tue 09/19/17            Wed 09/20/17            Thu 09/21/17
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          68          87          66          88
Temp                   76 81 78 72 71 70 68 78 86 86 81 71 69 67 67 75 84 88 83
Dewpt                  67 67 67 67 66 66 66 70 70 69 68 66 65 64 65 69 70 69 69
RH                     74 63 69 84 84 87 93 76 59 57 65 84 87 90 93 82 63 54 63
Wind dir               SE SE SE SE SE  S  S  S SW  W NW  N NE NE SE SE  S  S  S
Wind spd                8 11 10 11 12 12 11 12 11  8  5  3  4  5  5  8 11 11  9
Clouds                 B1 SC FW FW SC SC SC SC SC B1 B1 B1 B1 B1 B1 SC SC FW FW
PoP 12hr                     10          10          20          40          20
QPF 12hr                      0           0        0.01        0.11        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S        C  C  C  C  S  S
Tstms                                     S  S        S  S  S  S  S  S
Heat index                                     91                      89
Max heat                     83                92    93                90    94


Date          Fri 09/22/17  Sat 09/23/17  Sun 09/24/17  Mon 09/25/17
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    91      66    87      65    85      63    80
Temp          74 70 90 84   72 67 86 81   71 66 84 78   68 64 79 75
Dewpt         66 66 68 66   64 64 65 64   63 62 64 63   62 60 63 61
PWind dir         S     S       S     S       S     S       S    SW
Wind char        LT    GN      LT    GN      LT    GN      LT    LT
Avg clouds    FW FW FW FW   FW FW FW FW   FW SC SC SC   SC B1 B1 B1
PoP 12hr          5     5       5     5       5     5      10    20
Rain shwrs                                                     S  S
Tstms                                                          S  S

$$



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