Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
237 PM CDT Mon Sep 25 2017

IAZ060-261000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
237 PM CDT Mon Sep 25 2017

Date           09/25/17      Tue 09/26/17            Wed 09/27/17            Thu
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                      62          70          51          70          50
Temp          82 76 70 68 66 63 63 68 70 66 61 57 53 51 57 66 70 65 58 54 51 50
Dewpt         66 67 67 66 64 62 62 60 58 56 56 53 51 48 50 47 47 47 48 48 47 46
RH            58 74 90 93 93 97 97 76 66 70 84 86 93 89 77 50 44 52 69 80 86 86
Wind dir       S  W NW NE SW  W NW NW NW NW  N  N  N  N  N  N  N  N  N NW  W  W
Wind spd       6  5  4  3  4  3  6  9  9  6  6  8  6  5  8  9  9  5  3  2  3  3
Clouds        B2 B2 B2 OV OV OV OV B2 B2 B2 B1 SC SC SC FW SC FW SC FW FW FW FW
PoP 12hr                     60          60          10           5           0
QPF 12hr                   0.16        0.11           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  C  C  C  C  L  C  C  S
Tstms          C  C  C  S  S


Date           09/28  Fri 09/29/17  Sat 09/30/17  Sun 10/01/17  Mon 10/02/17
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      51    70      46    70      49    70      53    74
Temp          72 69   58 52 68 65   53 47 68 66   53 51 68 66   56 55 72 68
Dewpt         50 49   51 47 46 44   44 43 45 45   45 44 49 49   49 48 51 50
PWind dir         W      NW     N      NE    SE      SE     S       S    SW
Wind char        LT      LT    GN      LT    LT      LT    GN      LT    LT
Avg clouds    FW FW   FW FW FW FW   FW CL FW FW   FW SC B1 B1   B1 B2 B1 SC
PoP 12hr          0       0     0       0     0       0    30      30    10
Rain shwrs                                                  C    C  S

$$
IAZ039-261000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
237 PM CDT Mon Sep 25 2017

Date           09/25/17      Tue 09/26/17            Wed 09/27/17            Thu
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                      63          72          49          69          46
Temp          84 77 69 66 65 63 66 71 71 65 60 56 52 49 56 66 69 62 55 50 48 46
Dewpt         64 65 66 65 64 63 63 61 59 57 55 51 50 47 48 46 47 47 47 47 46 45
RH            51 67 90 97 97100 90 71 66 75 84 83 93 93 74 48 45 58 74 89 93 96
Wind dir       S  W  N  E  W SW  W NW NW NW NW NW NW  N  N NW NW  N NW NW  W  W
Wind spd       9  4  3  3  3  4  5 10 10  8  8  8  8  6  9 10 10  5  3  2  3  3
Clouds        B2 B2 B2 B2 B2 OV OV OV B2 B2 B1 SC SC SC FW FW FW SC FW FW FW FW
PoP 12hr                     50          50          10           5           0
QPF 12hr                   0.17        0.06           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  C  C  C  C  C  C  C  S
Tstms          C  C  C  S  S


Date           09/28  Fri 09/29/17  Sat 09/30/17  Sun 10/01/17  Mon 10/02/17
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      48    67      42    69      46    69      50    71
Temp          71 67   56 48 66 62   49 43 67 63   52 48 68 63   54 52 69 66
Dewpt         49 48   51 45 44 43   43 40 44 43   44 42 46 47   48 48 49 49
PWind dir         W      NW     N      NE    SE      SE     S       S    SW
Wind char        LT      LT    GN      LT    LT      LT    GN      LT    GN
Avg clouds    FW FW   FW FW FW FW   FW FW FW FW   FW FW SC B1   B1 B2 B1 SC
PoP 12hr          0       5     0       0     0       0    20      40    10
Rain shwrs                                                  S    C  C

$$
IAZ048-261000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
237 PM CDT Mon Sep 25 2017

Date           09/25/17      Tue 09/26/17            Wed 09/27/17            Thu
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                      61          70          48          70          47
Temp          80 74 68 66 64 62 61 67 70 65 60 55 51 48 57 66 70 64 55 51 49 47
Dewpt         66 67 66 65 63 60 60 59 57 56 54 51 49 47 49 47 47 48 48 47 47 45
RH            62 79 93 97 97 93 97 75 63 73 81 86 93 96 75 50 44 56 77 86 93 93
Wind dir       S NW  N  S  W  W NW NW NW NW  N  N  N  N  N  N  N  N NW NW  W  W
Wind spd       5  5  4  3  3  4  8 10  9  6  8  8  6  5  8  9  9  4  2  2  3  3
Clouds        B2 B2 OV OV OV OV OV OV B2 B1 B1 SC FW SC CL FW FW SC FW FW FW FW
PoP 12hr                     60          50          10           5           0
QPF 12hr                   0.25        0.09           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     L  L  C  C  C  C  C  C  S
Tstms          L  L  C  S  S


Date           09/28  Fri 09/29/17  Sat 09/30/17  Sun 10/01/17  Mon 10/02/17
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      48    69      43    70      47    69      51    73
Temp          72 68   57 49 67 64   51 44 67 65   52 49 67 64   55 53 71 68
Dewpt         50 50   51 46 46 44   44 41 45 46   45 43 49 50   49 48 51 50
PWind dir         W      NW     N      NE    SE      SE     S       S    SW
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    FW FW   FW FW FW FW   FW CL FW FW   FW SC SC B1   B1 B2 B1 SC
PoP 12hr          0       0     0       0     0       0    30      30     5
Rain shwrs                                                  C    C  C

$$
IAZ004-261000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
237 PM CDT Mon Sep 25 2017

Date           09/25/17      Tue 09/26/17            Wed 09/27/17            Thu
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                      54          63          43          66          46
Temp          60 59 56 55 55 54 54 59 63 60 52 49 47 43 55 63 66 62 55 50 48 47
Dewpt         55 56 55 55 55 53 53 53 52 51 48 46 44 43 47 46 47 48 47 46 45 44
RH            84 90 96100100 96 96 80 67 72 86 89 89100 74 54 50 60 74 86 89 89
Wind dir       N  N  N  N NW NW NW NW NW NW  N NW NW NW NW NW NW  W  W  W  W SW
Wind spd       9  8  6  8  6  8 10 11 11  9  8  5  5  4  5  6  8  3  4  3  4  4
Clouds        OV OV OV OV OV OV OV B2 B1 SC SC SC FW FW FW SC SC SC FW FW CL FW
PoP 12hr                     80          50           5           5           0
QPF 12hr                   0.32           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  L  O  D  L  C  S
Tstms          C  L  O  S  S


Date           09/28  Fri 09/29/17  Sat 09/30/17  Sun 10/01/17  Mon 10/02/17
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          71      45    65      41    67      47    68      50    71
Temp          69 65   52 46 63 60   47 43 65 61   51 48 66 65   55 52 69 66
Dewpt         50 49   47 43 45 44   42 40 46 47   44 45 50 51   50 48 50 51
PWind dir         W       N     N       E     S       S     S       S     W
Wind char        GN      GN    GN      LT    LT      LT    GN      GN    GN
Avg clouds    FW FW   SC FW FW FW   FW CL FW FW   SC SC B1 B1   B1 B1 B1 SC
PoP 12hr          0       0     0       0     0      20    40      40    30
Rain shwrs                                            S  C  C    C  C  C

$$
IAZ035-261000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
237 PM CDT Mon Sep 25 2017

Date           09/25/17      Tue 09/26/17            Wed 09/27/17            Thu
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          66          46          69          47
Temp          74 68 63 62 59 58 58 63 66 62 56 52 48 46 56 65 69 63 56 52 48 48
Dewpt         63 62 60 60 58 57 57 55 54 53 51 49 47 45 48 46 47 48 48 47 45 45
RH            69 81 90 93 96 96 96 75 65 72 83 89 96 96 74 50 45 58 74 83 89 89
Wind dir       N  N  N  N NW NW NW NW NW NW  N  N  N  N  N  N NW NW  W  W  W  W
Wind spd       8  6  5  4  4  5  8 10 10  6  6  5  5  4  6  8  8  3  2  2  4  3
Clouds        B2 OV OV OV OV OV OV B2 B1 B1 SC SC FW SC CL FW FW SC FW FW FW FW
PoP 12hr                     70          40           5           5           0
QPF 12hr                   0.31        0.04           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     L  L  L  C  C  C  C  S
Tstms          L  L  L  S  S


Date           09/28  Fri 09/29/17  Sat 09/30/17  Sun 10/01/17  Mon 10/02/17
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      47    67      42    69      48    69      50    72
Temp          72 68   55 48 65 61   49 44 67 64   53 50 68 64   55 52 71 66
Dewpt         49 49   50 45 45 43   43 41 45 44   44 43 49 49   49 48 50 49
PWind dir         W       N     N       E     S       S     S       S    SW
Wind char        LT      LT    GN      LT    LT      LT    GN      LT    GN
Avg clouds    FW FW   FW FW FW FW   FW CL FW FW   FW SC B1 B1   B1 B1 B1 SC
PoP 12hr          0       0     0       0     0       5    40      30    10
Rain shwrs                                               S  C    C  C  S

$$
IAZ094-261000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
237 PM CDT Mon Sep 25 2017

Date           09/25/17      Tue 09/26/17            Wed 09/27/17            Thu
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                      63          71          51          69          49
Temp          87 78 70 68 65 63 65 68 71 66 61 57 53 51 59 65 69 64 57 53 51 49
Dewpt         65 66 66 66 65 62 63 61 60 58 56 54 52 50 50 48 48 48 48 47 46 46
RH            48 67 87 93100 97 93 78 68 75 84 90 96 96 72 54 47 56 72 80 83 89
Wind dir       S  S NW NW  W NW NW NW  N  N  N  N  N  N  N  N  N  N  N  N NW  W
Wind spd       8  5  5  4  4  4  6  9  9  6  6  8  8  8  9  9  9  5  4  3  2  3
Clouds        B1 B1 B2 B2 B2 B2 OV OV B2 B2 B2 B1 B1 B1 SC SC FW FW FW SC FW FW
PoP 12hr                     50          50          10           5           0
QPF 12hr                   0.09        0.11           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  C  C  C  C  C  C  C  S
Tstms          C  C  C  S  S


Date           09/28  Fri 09/29/17  Sat 09/30/17  Sun 10/01/17  Mon 10/02/17
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      51    70      46    71      49    71      52    74
Temp          71 67   56 52 69 65   53 47 68 66   53 51 69 67   57 54 73 68
Dewpt         50 51   52 49 47 45   44 43 45 45   45 45 49 50   49 49 51 50
PWind dir         W      NW     N      NE    SE      SE     S       S    SW
Wind char        LT      LT    GN      LT    LT      LT    GN      LT    LT
Avg clouds    FW FW   FW FW FW FW   FW FW FW FW   FW SC B1 B1   B1 B1 SC SC
PoP 12hr          0       0     0       0     0       5    20      30    10
Rain shwrs                                               S  S    C  S

$$
IAZ017-261000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
237 PM CDT Mon Sep 25 2017

Date           09/25/17      Tue 09/26/17            Wed 09/27/17            Thu
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          66          46          66          46
Temp          77 69 64 62 61 59 59 64 66 61 55 52 49 46 55 64 66 61 54 50 47 47
Dewpt         63 62 61 60 60 59 59 56 55 54 52 49 47 44 47 46 47 47 47 47 46 45
RH            62 78 90 93 97100100 75 68 78 90 89 93 93 74 52 50 60 77 89 96 93
Wind dir       N  N  N NW  W  W NW NW NW NW NW NW NW NW NW NW NW NW  W  W  W  W
Wind spd       5  6  4  4  4  6  9 11 11  9 10  8  8  6  9 10  9  5  3  3  4  4
Clouds        B2 OV OV OV OV OV OV OV B2 B1 SC SC SC SC FW FW FW SC FW FW FW FW
PoP 12hr                     60          50           5           5           0
QPF 12hr                   0.27        0.06           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     L  L  L  C  C  C  C  S
Tstms          L  L  L  S  S


Date           09/28  Fri 09/29/17  Sat 09/30/17  Sun 10/01/17  Mon 10/02/17
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          72      45    65      41    67      45    68      49    70
Temp          70 66   54 46 64 59   47 43 65 61   50 47 67 62   53 51 69 64
Dewpt         48 49   49 44 45 43   43 40 45 44   44 42 47 48   48 47 49 49
PWind dir         W      NW     N       E     S       S     S       S    SW
Wind char        LT      GN    GN      LT    LT      LT    GN      GN    GN
Avg clouds    FW FW   SC FW FW FW   FW FW FW FW   FW SC SC B1   B1 B1 B1 SC
PoP 12hr          0       5     0       0     0       5    30      40    20
Rain shwrs                                                  C    C  C  S

$$
IAZ049-261000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
237 PM CDT Mon Sep 25 2017

Date           09/25/17      Tue 09/26/17            Wed 09/27/17            Thu
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                      63          70          48          68          46
Temp          82 75 69 66 64 63 65 68 70 64 58 55 51 48 56 66 68 62 55 51 49 46
Dewpt         65 66 66 65 64 63 63 61 59 57 55 51 50 46 49 46 47 47 47 47 46 45
RH            56 74 90 97100100 93 78 68 78 90 86 96 93 77 48 47 58 74 86 89 96
Wind dir       S  W NW  S SW  W  W NW NW NW NW  N  N  N  N  N  N  N NW NW  W  W
Wind spd      10  4  4  4  4  3  6 10 10  6  8  8  8  6  9  9  9  5  3  2  3  3
Clouds        B2 B2 B2 B2 OV OV OV OV B2 B2 B1 SC SC SC CL FW FW SC FW FW FW FW
PoP 12hr                     50          50          10           5           0
QPF 12hr                   0.14        0.07           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  C  C  C  C  C  C  C  S
Tstms          C  C  C  S  S


Date           09/28  Fri 09/29/17  Sat 09/30/17  Sun 10/01/17  Mon 10/02/17
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      47    68      42    68      46    69      49    72
Temp          71 67   55 48 66 63   49 44 66 63   50 48 68 63   53 51 71 66
Dewpt         50 50   50 45 45 43   43 41 44 44   44 42 47 48   48 47 50 50
PWind dir         W      NW     N      NE    SE      SE     S       S    SW
Wind char        LT      LT    GN      LT    LT      LT    GN      LT    GN
Avg clouds    FW FW   FW FW FW FW   FW FW FW FW   FW FW SC B1   B1 B2 B1 SC
PoP 12hr          0       5     0       0     0       0    20      40    10
Rain shwrs                                                  S    C  C

$$
IAZ086-261000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
237 PM CDT Mon Sep 25 2017

Date           09/25/17      Tue 09/26/17            Wed 09/27/17            Thu
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                      65          76          52          70          48
Temp          87 78 71 68 66 65 72 76 74 68 64 59 55 52 58 67 70 64 57 53 50 49
Dewpt         65 66 66 66 65 65 66 65 62 60 58 54 52 50 51 48 48 48 47 46 45 45
RH            48 67 84 93 97100 81 69 66 76 81 83 90 93 77 50 45 56 69 77 83 86
Wind dir       S  S  S  S  E  S  W NW NW NW  N  N  N  N  N  N  N  N  N  N NW NW
Wind spd       8  5  5  4  4  4  5  9 10  8  8  9  9  6  9 10 10  5  5  3  3  3
Clouds        B1 SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 SC FW SC FW SC FW SC FW SC
PoP 12hr                     20          40          10           5           0
QPF 12hr                      0        0.04           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  S  S     S  S  C  C  S
Tstms          C  S  S     S


Date           09/28  Fri 09/29/17  Sat 09/30/17  Sun 10/01/17  Mon 10/02/17
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      50    71      45    71      47    71      51    73
Temp          72 67   57 51 69 65   52 46 69 65   53 49 70 65   56 53 72 67
Dewpt         49 49   50 47 45 43   43 42 44 44   43 43 47 47   47 48 51 50
PWind dir        NW      NW     N      NE     E      SE     S       S    SW
Wind char        LT      LT    GN      LT    LT      LT    GN      LT    LT
Avg clouds    FW FW   FW FW FW FW   FW FW FW FW   FW FW SC B1   B1 B1 B1 SC
PoP 12hr          0       0     0       0     0       0    10      30    10
Rain shwrs                                                       C  S

$$



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