Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
721 AM CDT Thu Sep 21 2017

IAZ060-212200-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
721 AM CDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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                      90          72          91          70          91
Temp                76 86 90 86 80 77 75 72 81 89 91 85 78 75 72 71 81 89 91 85
Dewpt               71 73 73 72 71 70 69 68 70 71 70 69 69 68 67 66 68 67 66 66
RH                  85 65 58 63 74 79 82 87 69 56 50 59 74 79 84 84 65 48 44 53
Wind dir            SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd             9 12 16 12 11  9  8  8 12 14 14 12  8  8  6  6  9 12 13  9
Clouds              B1 SC SC FW FW SC SC FW FW FW FW CL FW FW FW SC FW SC FW SC
PoP 12hr                     30           5           5           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs
Tstms
Heat index             93 98 92                95 97
Max heat               93    98    91          95    98    87          93    95


Date          Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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      65    83      62    73      54    70
Temp          72 68 87 83   71 66 82 77   66 62 72 70   60 55 68 67
Dewpt         65 64 65 65   64 62 64 64   63 60 61 59   56 52 53 51
PWind dir         S     S       S     S      SW     W      NW    NW
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW FW FW SC   SC SC B1 B1   B2 B2 B2 B2   B2 B1 B1 B1
PoP 12hr          0     5      10    30      50    40      40     5
Rain shwrs                         S  C    C  C  C  C    C
Tstms                              S  C    C  C  C  C    S

$$
IAZ039-212200-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
721 AM CDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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                      89          70          90          69          90
Temp                72 83 89 83 77 74 72 70 78 88 90 83 77 73 71 70 80 88 90 83
Dewpt               68 71 72 71 70 68 67 67 70 70 68 67 66 66 65 65 68 67 65 65
RH                  87 67 57 67 79 82 84 90 76 55 49 59 69 79 81 84 67 50 44 55
Wind dir             E  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd             8 11 14 11  9 10  9  8 11 16 16 12  8  8  6  6  9 12 13  9
Wind gust                                         26
Clouds              B1 SC SC FW SC FW SC FW FW FW FW CL CL FW FW SC FW SC SC SC
PoP 12hr                     20          10           5           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S
Tstms                      S
Heat index                96 88
Max heat               88    96    86          93    95    84          91    93


Date          Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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          66    88      64    83      60    74      52    69
Temp          72 67 87 81   70 65 82 76   66 61 74 68   60 52 68 66
Dewpt         64 62 64 63   62 61 62 61   61 59 62 59   55 51 51 50
PWind dir         S     S       S     S       S     W      NW    NW
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW FW FW SC   SC SC SC B1   B1 B2 B2 B2   B2 B2 B1 SC
PoP 12hr          0     5      10    20      40    40      40     5
Rain shwrs                         S  S    C  C  C  C    C  C
Tstms                              S  S    C  C  C  C    S  S

$$
IAZ048-212200-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
721 AM CDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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                      89          70          90          70          90
Temp                73 85 89 84 77 75 73 70 79 88 90 84 78 74 72 70 81 88 90 83
Dewpt               69 72 72 71 71 69 69 68 70 71 70 69 68 68 67 66 68 67 66 66
RH                  87 65 57 65 82 82 87 93 74 57 52 61 71 82 84 87 65 50 45 57
Wind dir            SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd             9 11 16 13 11  9  8  8 12 14 16 12  9  8  6  6  9 12 14  9
Clouds              B1 SC SC FW FW SC SC SC FW FW FW CL FW FW FW SC FW SC SC SC
PoP 12hr                     10           5           5           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat index             91 96 89                94 96
Max heat               91    97    87          94    96    85          92    93


Date          Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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          67    87      63    82      60    73      52    70
Temp          72 67 86 81   69 64 81 75   65 60 72 68   58 53 68 66
Dewpt         65 63 65 64   63 62 64 63   62 59 61 59   55 51 53 51
PWind dir         S     S       S     S      SW     W      NW    NW
Wind char        LT    GN      LT    LT      LT    LT      LT    GN
Avg clouds    FW FW SC SC   SC SC B1 B1   B2 B2 B2 B2   B2 B1 B1 SC
PoP 12hr          0     5      20    30      50    40      30     5
Rain shwrs                      S  C  C    C  C  C  C    C  S
Tstms                           S  C  C    C  C  C  C    S  S

$$
IAZ004-212200-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
721 AM CDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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                      87          70          89          70          86
Temp                66 79 87 82 77 75 73 70 77 85 89 83 78 75 73 70 77 84 85 79
Dewpt               60 68 71 72 70 69 69 68 70 71 70 69 67 67 67 66 67 68 67 66
RH                  81 69 59 72 79 82 87 93 79 63 54 63 69 76 81 87 71 59 55 64
Wind dir            SE SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd            10 14 18 12 13 14 14 11 17 20 21 17 13 13 10  9 12 16 16 10
Wind gust                                      31 33       25
Clouds              SC SC B1 SC FW SC SC SC SC FW FW FW SC SC SC B1 SC B1 B1 B1
PoP 12hr                     20           5           5          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S
Tstms                      S
Heat index                93                   90 94
Max heat                     93    83          91    94    85          87    89


Date          Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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          66    82      59    72      53    64      47    66
Temp          71 66 81 75   65 60 71 67   58 53 63 61   52 48 64 61
Dewpt         64 64 65 64   61 60 63 61   57 53 55 54   49 46 49 50
PWind dir         S    SW      NE    SE       N    NW      NW    NW
Wind char        GN    GN      LT    LT      LT    GN      GN    GN
Avg clouds    B1 B1 B1 B1   B2 B2 OV OV   OV OV B2 B2   B1 B1 SC SC
PoP 12hr         10    20      60    60      50    30      20     5
Rain shwrs              S    C  L  C  L    C  C  C  S    S
Tstms                   S    C  S  C  C    C  S  S

$$
IAZ035-212200-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
721 AM CDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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          72          90          71          89
Temp                69 82 88 83 78 76 73 72 76 87 90 83 78 75 73 71 79 87 89 82
Dewpt               64 71 73 72 70 70 69 69 70 71 69 68 67 67 67 66 68 67 66 66
RH                  84 69 61 70 76 82 87 90 82 59 50 61 69 76 81 84 69 52 47 58
Wind dir            SE SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd             9 12 14 11 13 12 11 10 14 17 17 14 12 11 10  9 11 14 16 10
Clouds              B1 SC SC SC FW SC SC SC SC FW FW FW FW SC FW SC FW SC SC SC
PoP 12hr                     10          10           5           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat index                96 89                93 95
Max heat               87    97    86          93    96    84          91    92


Date          Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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    87      63    79      57    69      50    68
Temp          72 69 86 80   70 64 78 72   63 57 68 65   55 51 67 64
Dewpt         65 64 64 64   63 61 63 63   60 57 58 56   52 49 50 50
PWind dir         S     S       S     S      SW    NW       N    NW
Wind char        GN    GN      LT    LT      LT    LT      GN    GN
Avg clouds    SC SC SC SC   B1 B1 B2 B2   OV OV B2 B2   B2 B1 B1 SC
PoP 12hr          5     5      20    50      60    40      30     5
Rain shwrs                   S  S  C  C    C  L  C  C    C
Tstms                        S  S  C  C    C  C  C  S

$$
IAZ094-212200-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
721 AM CDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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                      90          70          89          69          89
Temp                78 86 90 85 78 76 73 70 79 87 89 83 75 73 71 69 79 87 89 83
Dewpt               72 73 73 72 71 70 68 68 69 70 69 68 68 67 67 66 68 67 66 66
RH                  82 65 58 65 79 82 84 93 72 57 52 61 79 81 87 90 69 52 47 57
Wind dir             S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd             9 13 16 12 10  9  8  9 11 14 13 10  6  8  6  6  9 11 10  8
Clouds              SC SC SC FW FW FW FW SC FW FW FW CL CL FW FW SC FW FW FW FW
PoP 12hr                     30           5           0           5           5
QPF 12hr                   0.02           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs
Tstms
Heat index             94 98 91                92
Max heat               94    98    88          93    94    84          90    92


Date          Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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          67    87      64    82      61    73      54    71
Temp          71 68 86 81   70 65 81 75   66 61 72 70   60 55 70 67
Dewpt         65 63 65 65   63 62 65 64   62 60 62 59   56 53 53 52
PWind dir         S     S       S     S      SW     W      NW    NW
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW FW FW SC   SC SC B1 B1   B2 B2 B2 B2   B2 B1 B1 B1
PoP 12hr          0     5      10    40      40    40      40     5
Rain shwrs                         S  C    C  C  C  C    C
Tstms                              S  C    C  C  C  S    S

$$
IAZ017-212200-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
721 AM CDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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                      87          69          90          70          89
Temp                67 80 87 82 75 72 71 69 77 86 90 83 76 73 72 71 80 87 89 83
Dewpt               61 68 72 72 70 69 67 68 70 70 69 68 67 66 66 66 68 67 65 66
RH                  81 67 61 72 84 90 87 97 79 59 50 61 74 79 81 84 67 52 45 57
Wind dir             E SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd             9 12 14 10 11 11 11 10 14 18 18 14 12 11 10  9 12 14 16 10
Clouds              SC SC B1 SC FW FW SC SC SC FW FW FW FW FW FW SC FW SC SC SC
PoP 12hr                     20          10           5           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S
Tstms                      S
Heat index                93                   91 95
Max heat               82    94    83          92    95    84          90    92


Date          Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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    86      62    78      57    69      49    67
Temp          73 69 85 80   69 63 77 71   62 57 68 65   56 50 66 63
Dewpt         64 63 64 63   62 61 63 62   60 57 59 56   52 49 50 49
PWind dir         S     S       S     S      SW    NW      NW    NW
Wind char        GN    GN      LT    LT      LT    LT      GN    GN
Avg clouds    SC SC SC SC   SC B1 B1 B2   B2 OV B2 B2   B2 B1 B1 SC
PoP 12hr          5     5      20    40      60    30      20     5
Rain shwrs                      S  C  C    C  L  C  C    S  S
Tstms                           S  C  C    C  C  S  S

$$
IAZ049-212200-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
721 AM CDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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          70          90          69          90
Temp                73 84 88 82 77 74 71 71 79 87 90 84 76 74 71 70 81 88 90 83
Dewpt               69 72 72 71 70 68 67 67 70 70 68 67 67 66 65 65 68 67 65 65
RH                  87 67 59 69 79 82 87 87 74 57 49 57 74 76 81 84 65 50 44 55
Wind dir            SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd             9 12 16 12  9 10  9  8 12 16 16 11  8  8  6  6  9 12 13  8
Clouds              B1 SC SC FW FW SC SC FW FW FW FW CL CL FW FW SC FW SC SC SC
PoP 12hr                     10           5           5           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat index             89 95 87                92
Max heat               90    97    85          93    95    84          92    93


Date          Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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          66    87      63    82      59    73      52    69
Temp          71 67 86 79   69 64 81 74   64 60 72 68   59 53 68 65
Dewpt         64 62 64 63   62 60 62 62   60 59 61 58   55 50 52 51
PWind dir         S     S       S     S       S     W      NW    NW
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW FW FW SC   SC SC B1 B1   B2 B2 B2 B2   B2 B2 B1 SC
PoP 12hr          0     5      10    20      40    40      40     5
Rain shwrs                         S  S    C  C  C  C    C  S
Tstms                              S  S    C  C  C  C    S  S

$$
IAZ086-212200-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
721 AM CDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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                      90          69          90          69          91
Temp                77 86 90 83 77 74 72 69 80 87 90 83 76 73 71 70 80 89 90 83
Dewpt               72 73 73 72 70 68 67 67 70 69 68 68 67 66 65 65 68 67 65 66
RH                  85 65 58 70 79 82 84 93 72 55 49 61 74 79 81 84 67 48 44 57
Wind dir             S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd             9 11 13  9  9  9  8  6 11 12 13  9  6  6  5  5  8 10  9  6
Clouds              B1 SC SC FW FW FW FW FW FW FW FW CL CL FW FW SC FW SC FW FW
PoP 12hr                     80           5           5           0           5
QPF 12hr                   0.20           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs
Tstms
Heat index             93 98 89
Max heat               93    98    86          92    95    84          92    94


Date          Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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          67    88      64    85      61    77      55    72
Temp          73 68 87 81   71 65 84 77   67 62 76 71   62 55 70 68
Dewpt         63 62 64 63   62 61 64 63   61 61 63 60   57 53 53 52
PWind dir         S     S       S     S       S     W      NW    NW
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW FW FW FW   SC SC SC SC   B1 B1 B1 B2   B2 B2 B1 B1
PoP 12hr          0     5       5    30      30    30      40     5
Rain shwrs                            C    C  C  C  C    C  S
Tstms                                 C    C  C  C  C    C  S

$$



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