Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
352 PM CDT Sat Aug 19 2017

IAZ060-201000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
352 PM CDT Sat Aug 19 2017

Date           08/19/17      Sun 08/20/17            Mon 08/21/17            Tue
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                      67          90          72          87          71
Temp          84 84 75 69 68 69 79 88 90 87 79 75 73 73 78 79 86 84 79 74 72 71
Dewpt         63 61 61 61 61 63 68 67 65 66 70 70 69 69 71 72 72 73 71 70 69 67
RH            49 46 62 76 78 81 69 50 44 50 74 84 87 87 79 79 63 70 77 87 90 87
Wind dir      SW  S SE SE SE  S  S  S  S  S SE  S  S  S  S  S  S  S  S SW  W NW
Wind spd       2  2  3  4  4  4  8 10 12  8  6  6  5  5  6  8  9  8  4  5  5  6
Clouds        FW CL FW SC B1 B2 B1 B1 SC SC B2 B2 B2 B2 B2 B2 B1 B2 B2 OV B2 OV
PoP 12hr                     30          50          60          50          60
QPF 12hr                      0        0.27        0.64        0.42        0.62
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  C  C  C  C  C  C  L  L  C  C  C  C  L  L  L  L
Tstms                      S  C  C  C  C  C  C  S  S  S  C  C  C  L  L  S  S
Heat index                                                    92 90
Max heat         86    82          91    93    88          84    94    88


Date           08/22  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17
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          84      60    80      56    80      61    81      61    81
Temp          80 80   66 61 78 76   61 58 77 77   66 63 78 78   66 62 78 78
Dewpt         64 59   56 54 54 53   53 54 57 56   56 56 58 58   56 56 58 58
PWind dir         N       N     N      NE     E      SE    SE      SE    SE
Wind char        GN      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    B1 FW   FW CL FW FW   FW FW SC SC   SC SC SC SC   B1 B1 B1 B1
PoP 12hr         20       0     0       0     0       5     0       5    10

$$
IAZ039-201000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
352 PM CDT Sat Aug 19 2017

Date           08/19/17      Sun 08/20/17            Mon 08/21/17            Tue
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                      60          87          66          82          65
Temp          81 79 70 63 61 61 76 84 87 81 72 69 67 67 74 76 81 79 74 69 66 65
Dewpt         61 64 63 61 60 60 65 67 66 67 68 67 66 66 69 70 71 72 70 68 65 64
RH            51 60 78 93 97 97 69 57 50 63 87 93 97 97 84 82 72 79 87 97 97 97
Wind dir       S  S SE SE SE SE  S  S  S  S SE  S SE SE SE  S  S  S SE SW  W NW
Wind spd       4  4  4  4  4  4  6 10 11  5  5  4  4  3  5  5  6  6  4  5  4  6
Clouds        FW CL CL FW SC B1 B1 B1 SC SC B1 B1 B2 B2 B2 B2 B2 OV OV OV OV B2
PoP 12hr                     20          30          40          50          70
QPF 12hr                      0        0.08        0.24        0.51        0.74
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    C  C  S  C  C  C  C  C  C  C  C  C  L  L  L  L
Tstms                         C  C  S  C  C  C  S  S  S  C  C  C  L  L  S  S


Date           08/22  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17
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          79      55    78      53    76      55    76      57    76
Temp          77 76   61 56 76 73   58 55 74 73   60 57 74 72   62 58 74 72
Dewpt         62 59   54 52 56 54   54 53 57 56   55 54 58 59   55 54 59 59
PWind dir         N      NW     N       N    NE      SE    SE      SE    SE
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    B1 FW   FW FW FW FW   FW FW FW FW   FW SC SC SC   SC B1 B1 B1
PoP 12hr         20       0     0       0     0       0     0       5    20
Rain shwrs                                                                S

$$
IAZ048-201000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
352 PM CDT Sat Aug 19 2017

Date           08/19/17      Sun 08/20/17            Mon 08/21/17            Tue
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          88          69          84          67
Temp          81 80 71 65 64 65 78 87 88 85 75 72 70 70 75 77 83 80 75 70 69 67
Dewpt         66 65 64 62 62 62 67 67 66 69 69 69 68 68 71 72 73 73 72 69 67 66
RH            60 60 79 90 93 90 69 52 48 59 82 90 93 93 87 85 72 79 90 97 93 97
Wind dir      SE SE SE SE SE SE  S  S  S  S SE  S  S SE SE  S  S  S  S  W  W NW
Wind spd       3  2  3  3  3  3  6  9 10  5  5  5  4  4  6  8  6  6  4  5  5  6
Clouds        FW CL FW SC B1 B2 B1 B1 SC SC B1 B2 B2 B2 B2 B2 B1 B2 B2 OV OV B2
PoP 12hr                     30          40          50          50          70
QPF 12hr                      0        0.19        0.35        0.48        0.68
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    C  C  C  C  C  C  C  C  C  C  C  C  L  L  L  L
Tstms                         C  C  C  C  C  C  S  S  S  C  C  C  L  L  S  S
Heat index                                                    89
Max heat         84                90    91    85                90


Date           08/22  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17
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          80      55    78      54    78      57    78      58    78
Temp          78 76   61 56 76 73   59 56 75 75   62 58 76 75   63 59 75 74
Dewpt         62 59   55 52 55 55   55 54 58 58   56 56 60 59   56 56 59 60
PWind dir         N       N     N      NE     E      SE    SE      SE    SE
Wind char        GN      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    B1 FW   FW CL FW FW   FW FW SC SC   SC SC SC SC   B1 B1 B1 B1
PoP 12hr         10       0     0       0     0       0     0       5    20
Rain shwrs                                                                S

$$
IAZ004-201000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
352 PM CDT Sat Aug 19 2017

Date           08/19/17      Sun 08/20/17            Mon 08/21/17            Tue
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          83          63          79          59
Temp          78 76 68 63 62 62 73 81 83 79 69 67 64 63 71 74 77 75 68 65 61 59
Dewpt         65 65 63 62 61 61 65 67 68 70 69 66 64 63 67 70 70 69 66 63 60 58
RH            64 69 84 97 97 97 76 63 61 74100 97100100 87 87 79 82 93 93 97 96
Wind dir       S  S  S  S  S  S SW SW  W  N NE NE NE  E  E SE  E NE  N  N  N  N
Wind spd       5  5  4  5  5  5  5  5  5  8  4  4  4  4  5  6  5  5  5  5  8  6
Clouds        FW CL FW SC B1 B1 B1 B1 B1 SC B1 B2 B2 B1 B2 B2 B2 B2 B2 B2 B1 SC
PoP 12hr                     20          30          40          50          70
QPF 12hr                      0        0.02        0.18        0.37        0.25
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  C  C  S  C  C  C  C  C  C  C  C  C  L  L  C  C
Tstms                      S  C  C  S  C  C  C  S  S  S  C  C  C  L  L  S  S


Date           08/22  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17
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      53    75      53    74      58    75      59    75
Temp          75 72   57 54 72 71   57 55 72 71   61 59 73 72   63 60 73 72
Dewpt         57 56   53 51 54 56   54 53 58 59   57 55 60 60   57 56 59 60
PWind dir         N      NW    NW       E     S      SE     S       S     S
Wind char        GN      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    SC FW   FW FW FW FW   FW FW SC SC   SC SC B1 B1   B1 B1 B1 B1
PoP 12hr          5       0     0       0     0       0    10       5    20
Rain shwrs                                                             S  S

$$
IAZ035-201000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
352 PM CDT Sat Aug 19 2017

Date           08/19/17      Sun 08/20/17            Mon 08/21/17            Tue
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          88          67          82          63
Temp          81 79 70 65 64 64 77 85 88 84 74 69 68 67 74 75 81 79 73 67 65 63
Dewpt         64 65 63 62 60 61 66 67 67 70 68 68 68 67 70 71 71 71 69 66 64 62
RH            56 62 78 90 87 90 69 55 50 63 82 97100100 87 87 72 77 87 97 97 97
Wind dir       S  S SE SE  S  S  S  S  S  S SE SE  S SE SE  S  S  E  E  S NW  N
Wind spd       4  4  4  4  5  5  6  8  9  6  4  4  4  4  4  8  6  5  6  3  6  6
Clouds        FW CL FW B1 B1 B1 B1 SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 OV B2 B1
PoP 12hr                     30          40          50          50          70
QPF 12hr                      0        0.08        0.25        0.37        0.62
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  C  C  C  C  C  C  C  C  C  C  C  C  L  L  C  C
Tstms                      S  C  C  C  C  C  C  S  S  S  C  C  C  L  L  S  S


Date           08/22  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17
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          78      54    78      53    77      58    77      59    77
Temp          75 74   59 55 75 74   58 55 74 74   62 59 75 73   64 60 75 74
Dewpt         60 57   53 51 55 55   54 53 57 59   56 55 60 59   56 55 59 59
PWind dir         N      NW     N       E    SE      SE     S      SE     S
Wind char        GN      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    SC FW   FW CL FW FW   FW FW SC SC   SC SC SC B1   B1 B1 B1 B1
PoP 12hr          5       0     0       0     0       0     0       5    20
Rain shwrs                                                                S

$$
IAZ094-201000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
352 PM CDT Sat Aug 19 2017

Date           08/19/17      Sun 08/20/17            Mon 08/21/17            Tue
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                      68          88          71          88          70
Temp          90 86 75 70 69 69 78 85 88 85 78 75 73 71 78 81 87 86 78 73 72 70
Dewpt         54 58 59 60 62 65 68 68 69 72 71 71 69 69 71 71 72 71 71 70 70 69
RH            30 39 58 71 78 87 71 57 54 65 79 87 87 93 79 72 61 61 79 90 93 97
Wind dir       W SW  S  S  S  S  S  S  S  S  S  S  S SE  S  S  S  S  S SW SW  W
Wind spd       6  3  3  4  4  4  9 11 11 10  6  6  5  5  9 10 11 10  8  8  8  6
Clouds        FW CL CL SC B1 B2 B2 B1 B1 SC B1 B2 B1 B2 B2 B1 B1 B2 B2 OV OV OV
PoP 12hr                     30          40          40          40          70
QPF 12hr                      0        0.19        0.60        0.19        0.71
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  C  C  C  C  C  C  C  C  C  C  C  C  C  C  L  L
Tstms                      S  C  C  C  C  C  C  S  S  S  C  C  C  C  C  S  S
Heat index                               91                   94 91
Max heat         89    83          89    94    88          86    95    89


Date           08/22  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17
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          83      57    80      55    80      58    80      59    80
Temp          80 79   64 58 77 76   62 57 77 77   64 59 78 77   64 60 77 76
Dewpt         66 60   56 53 53 52   52 52 55 55   55 55 57 57   56 56 59 59
PWind dir         N       N     N      NE     E      SE    SE      SE    SE
Wind char        GN      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    B2 SC   FW FW FW FW   FW FW SC SC   SC SC SC B1   SC SC SC SC
PoP 12hr         40       0     0       0     0       0     0       5     5

$$
IAZ017-201000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
352 PM CDT Sat Aug 19 2017

Date           08/19/17      Sun 08/20/17            Mon 08/21/17            Tue
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                      60          84          65          79          62
Temp          79 77 68 62 61 61 73 82 84 80 70 68 66 65 71 73 78 75 71 66 64 62
Dewpt         63 65 63 62 61 61 66 68 68 70 69 67 66 65 69 71 72 71 69 65 63 61
RH            58 67 84100100100 79 63 59 72 97 97100100 93 93 82 87 93 97 97 97
Wind dir       S  S  S  S  S  S  S  S  S SE SE  S  N  E SE SE  S  N SE  N NW  N
Wind spd       4  5  4  5  5  5  6  9  9  5  4  4  4  4  4  6  5  4  5  4  6  8
Clouds        FW FW CL SC B1 B1 B1 B1 SC SC B1 B2 B2 B2 B2 B2 B2 OV OV OV OV B1
PoP 12hr                     20          30          40          60          60
QPF 12hr                      0        0.06        0.25        0.47        0.55
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    C  C  S  C  C  C  C  C  C  C  L  L  L  L  L  L
Tstms                         C  C  S  C  C  C  S  S  S  C  L  L  L  L  S  S


Date           08/22  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17
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          77      54    75      52    75      55    75      57    75
Temp          74 74   59 55 73 71   56 54 73 72   59 57 73 72   62 58 73 71
Dewpt         60 57   54 52 56 56   55 54 58 58   55 55 59 60   56 56 59 60
PWind dir         N      NW     N      NE    SE      SE     S      SE     S
Wind char        GN      LT    GN      LT    LT      LT    GN      GN    GN
Avg clouds    SC FW   FW CL FW FW   FW FW SC SC   SC SC SC SC   B1 B1 B1 B1
PoP 12hr          5       0     0       0     5       0     0       5    20
Rain shwrs                                                                S

$$
IAZ049-201000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
352 PM CDT Sat Aug 19 2017

Date           08/19/17      Sun 08/20/17            Mon 08/21/17            Tue
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          86          67          82          66
Temp          80 79 70 65 64 63 78 86 86 83 73 70 68 68 74 75 81 78 74 69 67 66
Dewpt         65 65 63 61 61 61 66 68 65 68 68 67 66 67 69 71 71 72 71 68 66 65
RH            60 62 78 87 90 93 67 55 50 61 84 90 93 97 84 87 72 82 90 97 97 97
Wind dir      SE SE SE SE SE SE  S  S  S  S  S  S  S SE SE  S  S  S  S  W  W NW
Wind spd       5  3  4  4  4  4  6 10 12  5  5  5  5  4  5  6  8  6  4  6  4  6
Clouds        FW CL CL FW B1 B2 B1 B1 SC SC B1 B2 B2 B2 B2 B2 B2 B2 OV OV OV B2
PoP 12hr                     20          40          50          50          70
QPF 12hr                      0        0.14        0.32        0.73        0.73
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    C  C  C  C  C  C  C  C  C  C  C  C  L  L  L  L
Tstms                         C  C  C  C  C  C  S  S  S  C  C  C  L  L  S  S
Heat index                                                    86
Max heat         83                89    89                      87


Date           08/22  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17
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          79      54    76      53    76      55    76      56    77
Temp          77 75   60 55 74 72   57 55 73 73   59 57 74 73   61 57 75 73
Dewpt         62 59   55 52 55 55   54 53 57 57   54 54 58 59   56 54 58 59
PWind dir         N      NW     N       N    NE      SE    SE      SE    SE
Wind char        GN      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    B1 FW   FW FW FW FW   FW FW FW SC   SC SC SC SC   SC B1 B1 B1
PoP 12hr         10       0     0       0     0       0     0       5    20
Rain shwrs                                                                S

$$
IAZ086-201000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
352 PM CDT Sat Aug 19 2017

Date           08/19/17      Sun 08/20/17            Mon 08/21/17            Tue
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          88          70          88          70
Temp          87 84 74 67 64 65 79 87 88 85 76 74 72 70 78 81 87 83 78 74 72 70
Dewpt         62 62 62 62 61 61 66 68 64 67 68 67 67 67 70 71 70 71 72 70 70 69
RH            43 48 66 84 90 87 64 53 45 55 76 79 84 90 76 72 57 67 82 87 93 97
Wind dir      NE  E SE SE  S SE  S  S  S  S  S  S  S  S  S  S  S  S  S SW SW  W
Wind spd       2  3  4  4  4  5  6 10 11  8  6  5  5  5  6  9 10  9  8  9  6  6
Clouds        FW CL CL FW SC B1 B2 B1 B1 SC B2 B2 B2 B2 B2 B2 B1 B2 B2 OV OV OV
PoP 12hr                     20          40          40          50          70
QPF 12hr                      0        0.16        0.53        0.56        0.53
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    C  C  C  C  C  C  C  C  C  C  C  C  L  L  L  L
Tstms                         C  C  C  C  C  C  S  S  S  C  C  C  L  L  S  S
Heat index                                                    92 88
Max heat         89    81          92    92    85          86    93    87


Date           08/22  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17
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          83      56    81      55    80      56    80      56    80
Temp          80 78   63 57 78 76   61 57 77 76   62 58 78 76   62 58 77 75
Dewpt         66 61   56 52 51 53   53 52 53 55   55 54 56 57   55 54 57 58
PWind dir        NW       N     N       N    NE       E    SE      SE    SE
Wind char        GN      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B2 SC   FW FW FW FW   FW FW FW FW   FW SC SC SC   SC SC SC SC
PoP 12hr         30       0     0       0     0       0     0       5     5

$$



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