Point Forecast Matrices
Issued by NWS Des Moines, IA

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

IAZ060-261000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
335 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          52          71          50
Temp          82 76 70 68 66 63 63 68 70 66 62 58 55 52 58 68 71 66 58 55 52 51
Dewpt         66 67 67 66 64 62 62 60 58 56 55 53 51 48 49 47 46 47 48 48 47 46
RH            58 74 90 93 93 97 97 76 66 70 78 83 86 86 72 47 41 50 69 77 83 83
Wind dir       S  W NW NE SW  W NW NW NW  N  N  N  N  N  N  N  N  N NW NW  W  W
Wind spd       6  5  4  3  4  3  6  9  9  6  6  8  6  5  6  9  8  5  2  2  3  3
Clouds        B2 B2 B2 OV OV OV OV B2 B2 B1 B1 B1 B1 SC SC SC FW FW FW FW FW FW
PoP 12hr                     60          60           5           0           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          76      52    71      46    70      52    70      54    73
Temp          73 70   57 53 70 67   53 48 68 65   56 53 69 67   59 55 70 70
Dewpt         50 49   50 48 48 44   44 43 46 44   45 45 49 49   50 50 52 51
PWind dir         W      NW     N      NE    SE      SE     S      SE     S
Wind char        LT      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    FW FW   FW FW FW FW   FW FW FW FW   SC SC B1 B1   B1 B1 B1 B1
PoP 12hr          0       0     0       0     0       5    40      30    10
Rain shwrs                                                  C    C  S

$$
IAZ039-261000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
335 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 66 60 56 53 49 56 66 69 63 55 51 49 47
Dewpt         64 65 66 65 64 63 63 61 59 56 54 51 49 47 47 47 46 46 47 47 45 45
RH            51 67 90 97 97100 90 71 66 70 81 83 86 93 72 50 44 54 74 86 86 93
Wind dir       S  W  N  E  W SW  W NW NW NW NW NW NW NW  N NW NW  N NW NW  W  W
Wind spd       9  4  3  3  3  4  5 10 10  8  8  8  6  6  9 10  9  5  3  2  3  3
Clouds        B2 B2 B2 B2 B2 OV OV OV B2 B1 B1 B1 B1 SC FW FW FW FW CL FW FW FW
PoP 12hr                     50          50           5           0           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          74      48    68      42    68      47    69      50    70
Temp          72 66   55 49 67 62   50 44 66 62   52 49 67 64   56 51 68 66
Dewpt         50 49   49 45 44 43   43 40 44 43   43 42 46 47   48 49 50 50
PWind dir         W      NW     N      NE    SE      SE     S      SE     S
Wind char        LT      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    FW FW   FW FW FW FW   FW FW FW FW   FW SC SC B1   B1 B2 B1 B1
PoP 12hr          0       0     0       0     0       5    20      40    10
Rain shwrs                                                  S    C  C

$$
IAZ048-261000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
335 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          49          69          46
Temp          80 74 68 66 64 62 61 67 70 66 60 56 53 49 57 67 69 64 56 52 50 47
Dewpt         66 67 66 65 63 60 60 59 57 55 53 51 49 47 48 47 46 48 48 47 46 45
RH            62 79 93 97 97 93 97 75 63 68 78 83 86 93 72 49 44 56 74 83 86 93
Wind dir       S NW  N  S  W  W NW NW NW  N  N  N  N  N  N  N  N  N NW  W  W  W
Wind spd       5  5  4  3  3  4  8 10  9  6  6  6  5  5  8  9  8  4  2  2  3  3
Clouds        B2 B2 OV OV OV OV OV OV B2 B1 B1 SC SC SC FW SC FW FW FW FW FW FW
PoP 12hr                     60          50           5           0           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          75      49    70      43    69      49    70      51    71
Temp          72 68   55 50 68 64   50 45 67 64   54 51 69 64   57 52 68 68
Dewpt         50 50   50 47 47 44   44 42 45 45   44 44 48 50   50 49 51 51
PWind dir         W      NW     N      NE    SE      SE     S      SE     S
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    FW FW   FW FW FW FW   FW FW FW FW   SC SC B1 B1   B1 B1 B1 B1
PoP 12hr          0       0     0       0     0       5    40      30    10
Rain shwrs                                                  C    C  S

$$
IAZ004-261000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
335 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          67          46
Temp          60 59 56 55 55 54 54 59 63 60 52 49 46 43 54 63 67 62 55 51 49 47
Dewpt         55 56 55 55 55 53 53 53 52 50 49 46 44 43 47 47 47 49 49 47 45 44
RH            84 90 96100100 96 96 80 67 69 89 89 93100 77 56 49 62 80 86 86 89
Wind dir       N  N  N  N NW NW NW NW NW NW  N NW NW NW NW NW NW  W SW  W  W  W
Wind spd       9  8  6  8  6  8 10 11 11  8  6  5  5  4  5  6  8  3  4  4  4  4
Clouds        OV OV OV OV OV OV OV B2 B1 SC SC SC FW FW FW FW SC SC FW FW CL CL
PoP 12hr                     80          50           5           0           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          72      46    65      42    66      49    67      51    68
Temp          70 64   53 47 63 60   47 44 64 61   53 50 66 63   56 52 66 63
Dewpt         50 50   47 45 45 44   43 40 45 46   44 43 50 52   51 49 51 51
PWind dir         W       N     N       E     S       S     S       S     S
Wind char        GN      LT    LT      LT    GN      GN    GN      GN    GN
Avg clouds    FW FW   FW FW FW FW   FW FW FW FW   SC B1 B1 B1   B2 B2 B1 SC
PoP 12hr          0       0     0       0     0      10    50      40    10
Rain shwrs                                               S  C    C  C

$$
IAZ035-261000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
335 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          46
Temp          74 68 63 62 59 58 58 63 66 62 56 52 49 46 57 66 69 64 56 52 50 46
Dewpt         63 62 60 60 58 57 57 55 54 52 51 48 46 45 48 46 46 48 48 47 45 45
RH            69 81 90 93 96 96 96 75 65 70 83 86 89 96 72 48 44 56 74 83 83 96
Wind dir       N  N  N  N NW NW NW NW NW  N  N  N  N  N  N NW NW  N SW SW SW  W
Wind spd       8  6  5  4  4  5  8 10 10  6  5  5  5  4  6  6  8  3  2  2  4  3
Clouds        B2 OV OV OV OV OV OV B2 B1 SC SC SC SC SC FW FW SC FW FW FW CL FW
PoP 12hr                     70          40           5           0           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      48    68      43    69      50    68      52    71
Temp          71 66   54 49 67 63   50 45 67 63   54 51 67 64   58 53 69 67
Dewpt         49 50   49 47 45 43   44 41 45 44   44 43 48 51   50 49 51 51
PWind dir         W      NW     N       E    SE      SE     S       S     S
Wind char        LT      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    FW FW   FW FW FW FW   FW FW FW FW   SC SC B1 B1   B2 B2 B1 SC
PoP 12hr          0       0     0       0     0       5    40      40    10
Rain shwrs                                               S  C    C  C

$$
IAZ094-261000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
335 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          52          70          49
Temp          87 78 70 68 65 63 65 68 71 67 61 58 56 52 58 67 70 64 56 53 51 50
Dewpt         65 66 66 66 65 62 63 61 60 57 56 54 52 50 50 48 47 47 48 47 46 46
RH            48 67 87 93100 97 93 78 68 70 84 86 86 93 75 50 44 54 74 80 83 86
Wind dir       S  S NW NW  W NW NW NW  N  N  N  N  N  N  N  N  N  N  N  N NW NW
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 B2 B1 B1 SC SC FW FW FW SC FW FW
PoP 12hr                     50          50          10           0           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          74      51    72      46    70      50    70      53    72
Temp          72 68   56 52 71 66   53 47 68 65   56 51 68 67   58 54 70 69
Dewpt         50 51   50 48 50 46   44 43 45 45   45 44 49 50   50 50 52 51
PWind dir        NW      NW     N      NE    SE      SE     S       S    SW
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    FW FW   FW FW FW FW   FW FW FW FW   SC SC B1 B1   B1 B1 B1 SC
PoP 12hr          0       0     0       0     0       5    40      30    20
Rain shwrs                                                  C    C  S  S

$$
IAZ017-261000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
335 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          67          45
Temp          77 69 64 62 61 59 59 64 66 62 55 52 49 46 55 64 67 61 53 50 48 46
Dewpt         63 62 61 60 60 59 59 56 55 52 51 48 46 44 47 46 46 47 47 46 46 45
RH            62 78 90 93 97100100 75 68 70 86 86 89 93 74 52 47 60 80 86 93 96
Wind dir       N  N  N NW  W  W NW NW NW NW NW NW NW NW NW NW NW NW SW SW SW  W
Wind spd       5  6  4  4  4  6  9 11 11  9  9  8  8  6  9  9  9  4  3  3  4  4
Clouds        B2 OV OV OV OV OV OV OV B2 B1 SC SC SC SC FW FW SC FW FW FW CL FW
PoP 12hr                     60          50           5           0           5
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      46    65      41    66      47    67      50    69
Temp          70 64   54 47 64 60   48 42 64 61   52 48 66 62   55 51 67 64
Dewpt         49 50   49 45 44 43   43 40 45 44   43 42 46 49   49 48 51 50
PWind dir         W      NW     N       E    SE      SE     S      SE     S
Wind char        GN      LT    GN      LT    LT      LT    GN      GN    GN
Avg clouds    FW FW   FW FW FW FW   FW FW FW FW   FW SC B1 B1   B1 B2 B1 B1
PoP 12hr          0       5     0       0     0       5    30      40    10
Rain shwrs                                                  C    C  C

$$
IAZ049-261000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
335 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          49          68          46
Temp          82 75 69 66 64 63 65 68 70 65 58 56 51 49 55 65 68 63 54 51 49 47
Dewpt         65 66 66 65 64 63 63 61 59 56 54 51 49 46 48 46 46 47 48 47 46 45
RH            56 74 90 97100100 93 78 68 73 86 83 93 89 77 50 45 56 80 86 89 93
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  6  6  9  9  9  5  3  2  3  3
Clouds        B2 B2 B2 B2 OV OV OV OV B2 B1 B1 B1 B1 SC SC FW FW FW CL FW FW FW
PoP 12hr                     50          50           5           0           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          74      48    68      43    68      48    69      50    70
Temp          72 66   54 49 67 63   50 44 66 62   53 49 68 63   55 51 68 66
Dewpt         50 49   49 46 45 43   43 40 44 44   43 43 46 49   48 49 51 51
PWind dir         W      NW     N      NE    SE      SE     S      SE     S
Wind char        LT      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    FW FW   FW FW FW FW   FW FW FW FW   SC SC SC B1   B1 B1 B1 B1
PoP 12hr          0       0     0       0     0       5    30      40    10
Rain shwrs                                                  C    C  C

$$
IAZ086-261000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
335 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          47
Temp          87 78 71 68 66 65 72 76 74 69 64 59 54 52 58 67 70 65 57 53 49 48
Dewpt         65 66 66 66 65 65 66 65 62 60 57 54 52 50 50 48 47 47 46 46 45 45
RH            48 67 84 93 97100 81 69 66 73 78 83 93 93 75 50 44 52 67 77 86 89
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  6  8  8  9  6  9 10  9  5  5  3  3  3
Clouds        B1 SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC FW FW FW SC FW FW
PoP 12hr                     20          40          10           0           5
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          75      50    72      45    70      48    71      52    72
Temp          72 68   56 51 71 66   52 47 68 64   55 49 70 65   57 53 70 68
Dewpt         49 49   48 47 46 43   43 42 44 43   43 43 47 46   48 50 51 50
PWind dir        NW      NW     N      NE    SE      SE    SE      SE     S
Wind char        LT      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    FW FW   FW FW FW FW   FW FW FW FW   FW SC SC B1   B1 B1 B1 SC
PoP 12hr          0       0     0       0     0       5    20      30    10
Rain shwrs                                                  S    C  C

$$



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