Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
1236 PM CDT Sat Aug 19 2017

IAZ060-192200-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
1236 PM CDT Sat Aug 19 2017

Date             Sat 08/19/17            Sun 08/20/17            Mon 08/21/17
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          66          90          71          85
Temp                   80 84 82 72 69 68 67 78 85 90 85 78 75 72 72 77 84 85 84
Dewpt                  63 61 61 61 61 60 61 66 68 68 69 69 69 68 68 71 71 71 72
RH                     56 46 49 68 76 76 81 67 57 49 59 74 82 87 87 82 65 63 67
Wind dir                W  W  W  E SE SE  S  S  S  S  S  S  S  S  S  S  S SW  S
Wind spd                4  4  4  3  3  4  4  6  8  9  6  6  5  5  5  9  9 11  8
Clouds                 FW FW CL CL FW B1 B2 B2 B1 B1 SC B1 B2 B2 B2 B2 B2 B1 B2
PoP 12hr                      0          30          40          40          50
QPF 12hr                      0           0        0.08        0.50        0.26
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S  C  C  C  C  C  C  C  C  C  C  C  C  L
Tstms                                  S  S  C  C  C  C  C  C  C  C  C  C  C  L
Heat index                                                             89 90 89
Max heat               82    85    81          90    95    87          89    92


Date          Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
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    82      59    80      59    79      59    80
Temp          72 69 79 79   65 60 78 77   63 61 77 76   64 61 77 77
Dewpt         70 69 67 63   58 55 56 57   55 55 57 57   54 56 59 58
PWind dir        SW    NW       N     N       E     E      SE    SE
Wind char        LT    GN      LT    LT      LT    LT      LT    GN
Avg clouds    B2 B2 B2 SC   FW FW FW FW   FW FW SC SC   FW SC SC SC
PoP 12hr         80    30       0     0       5     5       5     5
Rain shwrs     L  D  C
Tstms          L  D  C

$$
IAZ039-192200-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
1236 PM CDT Sat Aug 19 2017

Date             Sat 08/19/17            Sun 08/20/17            Mon 08/21/17
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          60          84          68          82
Temp                   78 81 78 68 64 61 61 74 81 84 80 73 70 68 68 74 79 82 79
Dewpt                  62 62 64 63 62 59 60 65 67 68 69 68 67 66 67 70 71 72 72
RH                     58 53 62 84 93 93 97 74 63 59 69 84 90 93 97 87 77 72 79
Wind dir                S  S  S SE SE SE SE  S  S  S  S SE  S  S  S  S  S  S  S
Wind spd                4  4  4  3  3  3  3  5  8  9  6  8  5  6  4  5  9  8  5
Clouds                 SC SC FW CL FW SC B1 B1 B1 SC B1 B1 B2 B2 B2 B2 B2 B1 B2
PoP 12hr                      0          20          30          50          60
QPF 12hr                      0           0        0.08        0.41        0.55
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  C  C  C  C  C  C  C  L  L  C  C  L
Tstms                                     S  S  C  C  C  C  C  C  L  L  C  C  L
Obvis                                 PF
Heat index                                                                87
Max heat                     83                85    88                83    87


Date          Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
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          67    79      57    77      55    76      55    77
Temp          70 67 77 76   63 58 75 73   59 57 74 72   59 56 75 74
Dewpt         69 67 66 63   56 54 57 57   54 53 57 58   54 53 58 59
PWind dir        SW    NW      NW     N       N     E      SE    SE
Wind char        LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B2 OV B2 SC   FW FW FW FW   FW FW SC FW   FW FW SC SC
PoP 12hr         80    30       0     0       5     5       5     5
Rain shwrs     L  D  C
Tstms          L  D  C

$$
IAZ048-192200-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
1236 PM CDT Sat Aug 19 2017

Date             Sat 08/19/17            Sun 08/20/17            Mon 08/21/17
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          63          86          69          85
Temp                   77 81 79 68 65 64 64 74 83 86 82 76 72 70 70 75 81 85 80
Dewpt                  65 64 64 64 62 61 62 66 68 68 70 68 68 68 68 71 72 72 72
RH                     67 56 60 87 90 90 93 76 61 55 67 76 87 93 93 87 74 65 77
Wind dir                S SW  W  E SE SE  S  S  S  S  S  S SE  S  S  S  S SW  S
Wind spd                3  3  3  2  3  3  3  6  8  8  6  5  5  5  5  9  8  9  6
Clouds                 FW FW CL CL FW B1 B2 B1 B1 SC SC B1 B2 B2 B2 B2 B2 B1 B2
PoP 12hr                      0          40          40          50          50
QPF 12hr                      0           0        0.13        1.02        0.24
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S  C  C  C  C  C  C  C  C  C  C  C  C  L
Tstms                                  S  S  S  C  C  C  C  C  C  C  C  C  C  L
Heat index                                                                91
Max heat                     83                87    90    85          85    92


Date          Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
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          67    80      57    79      56    77      56    78
Temp          71 67 77 78   63 59 77 75   61 58 74 74   61 58 75 75
Dewpt         70 67 66 63   57 54 56 57   56 54 58 59   55 55 59 59
PWind dir        SW    NW       N     N      NE     E      SE    SE
Wind char        LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2 B1 SC   FW FW FW FW   FW FW SC SC   SC SC SC SC
PoP 12hr         70    20       0     0       5     5       5     5
Rain shwrs     L  L  S
Tstms          L  L  S

$$
IAZ004-192200-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
1236 PM CDT Sat Aug 19 2017

Date             Sat 08/19/17            Sun 08/20/17            Mon 08/21/17
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                      78          62          82          65          79
Temp                   72 77 76 66 64 63 63 72 80 82 80 71 68 67 65 71 76 79 76
Dewpt                  63 64 64 63 61 61 61 66 68 69 70 69 67 67 65 68 71 71 70
RH                     73 64 66 90 90 93 93 81 67 65 72 93 97100100 90 85 77 82
Wind dir                S  S  S  S  S  S  S SW SW  S  E  E  E  S SE SE  S NE NE
Wind spd                3  5  5  4  5  6  5  8  6  5  5  3  4  4  5  6  6  6  5
Clouds                 SC FW CL FW SC B1 B1 B1 SC B1 B1 B1 B2 OV B2 B2 B2 B1 B2
PoP 12hr                      0          20          40          60          40
QPF 12hr                      0        0.05        0.13        0.48        0.18
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S  C  C  C  C  C  C  L  L  C  C  C  C  L
Tstms                                  S  C  C  C  C  C  C  L  C  C  C  C  C  L


Date          Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
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          62    76      55    75      55    74      57    75
Temp          67 62 74 74   59 57 73 72   58 57 72 71   60 58 73 73
Dewpt         65 62 60 60   54 53 56 58   54 54 58 59   56 55 60 60
PWind dir         N     N      NW    NW       E    SE      SE     S
Wind char        LT    GN      LT    LT      LT    LT      GN    GN
Avg clouds    B2 B2 B1 FW   FW FW FW SC   SC SC SC SC   SC SC SC SC
PoP 12hr         60    10       0     5      10     5       5     5
Rain shwrs     L  L
Tstms          L  L

$$
IAZ035-192200-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
1236 PM CDT Sat Aug 19 2017

Date             Sat 08/19/17            Sun 08/20/17            Mon 08/21/17
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          85          68          84
Temp                   75 80 78 68 66 64 65 74 82 85 81 74 71 69 68 74 80 84 80
Dewpt                  64 63 64 63 62 61 62 66 68 69 71 69 68 68 67 70 72 72 71
RH                     69 56 62 84 87 90 90 76 63 59 72 84 90 97 97 87 77 67 74
Wind dir               SW  S  S SE SE SE  S  S  S  S  S SE SE  S  S  S  S SW  S
Wind spd                3  4  4  4  4  4  5  8  9  8  5  5  5  6  6  9  9  8  5
Clouds                 SC FW CL CL SC B1 B2 B1 SC SC SC SC B2 B2 B2 B2 B2 B1 B2
PoP 12hr                      0          40          40          50          40
QPF 12hr                      0        0.02        0.06        0.35        0.24
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             C  C  C  C  C  C  C  C  C  C  C  C  C  L
Tstms                                  C  C  C  C  C  C  C  C  C  C  C  C  C  L
Heat index                                                                90
Max heat                     82                85    89                84    90


Date          Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
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          65    79      55    78      55    77      56    77
Temp          69 65 77 76   61 57 75 74   60 57 75 73   61 58 75 74
Dewpt         68 64 63 61   55 52 56 58   55 53 58 59   55 55 59 60
PWind dir         S     N      NW     N       E    SE      SE    SE
Wind char        LT    GN      LT    LT      LT    LT      LT    GN
Avg clouds    B2 B2 B1 FW   FW FW FW FW   FW SC SC SC   SC SC SC SC
PoP 12hr         60    10       0     0       5     5       5    10
Rain shwrs     L  L
Tstms          L  L

$$
IAZ094-192200-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
1236 PM CDT Sat Aug 19 2017

Date             Sat 08/19/17            Sun 08/20/17            Mon 08/21/17
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                      88          68          90          71          88
Temp                   83 87 84 74 71 70 69 79 87 90 86 78 75 72 71 78 85 87 86
Dewpt                  59 56 58 58 58 59 62 67 70 70 71 71 70 68 69 70 71 72 71
RH                     44 35 41 57 63 68 78 67 57 52 61 79 84 87 93 76 63 61 61
Wind dir               NW NW  W  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                6  5  4  3  3  5  4  6 10 10  8  8  6  8  5  9 10 11 10
Clouds                 CL CL CL CL FW SC B2 B1 B2 B1 SC B1 B2 B2 B2 B2 B1 B1 B2
PoP 12hr                      0          20          30          40          50
QPF 12hr                      0           0        0.05        0.18        0.32
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S  C  C  C  C  C  C  C  C  C  C  C
Tstms                                     S  S  C  C  C  C  C  C  C  C  C  C  C
Heat index                                        95 91                90 94 91
Max heat               84    86    82          93    96    89          90    95


Date          Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
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    82      59    80      57    80      58    81
Temp          74 70 80 79   66 60 78 77   63 59 78 76   63 60 79 77
Dewpt         71 69 69 63   59 56 54 55   55 54 55 56   55 56 57 58
PWind dir        SW    NW       N     N      NE    SE      SE    SE
Wind char        LT    GN      GN    LT      LT    LT      LT    GN
Avg clouds    B2 B2 B2 SC   FW FW FW FW   FW FW SC SC   FW SC SC SC
PoP 12hr         80    50       0     0       0     5       5     5
Rain shwrs     C  D  C
Tstms          C  D  C

$$
IAZ017-192200-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
1236 PM CDT Sat Aug 19 2017

Date             Sat 08/19/17            Sun 08/20/17            Mon 08/21/17
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          60          82          66          80
Temp                   75 79 76 66 63 61 62 71 80 82 79 71 68 67 66 73 78 80 75
Dewpt                  64 64 64 63 61 60 61 65 68 69 71 69 67 66 66 69 71 72 72
RH                     69 60 66 90 93 97 97 81 67 65 77 93 97 97100 87 79 77 90
Wind dir                S  S  S  S  S SE  S  S  S  S  S  E  S  S SE  S  S  S SE
Wind spd                5  5  4  3  4  4  4  6  9  8  5  5  6  6  5  6  9  6  5
Clouds                 B1 SC FW CL FW B1 B2 B1 B1 SC B1 B1 B2 OV B2 B2 B2 B2 B2
PoP 12hr                      5          30          40          50          40
QPF 12hr                      0           0        0.09        0.48        0.38
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S  C  C  C  C  C  C  C  C  C  C  C  C  L
Tstms                                  S  C  C  C  C  C  C  C  C  C  C  C  C  L


Date          Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
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          64    77      55    76      54    75      55    76
Temp          67 64 75 74   60 57 74 72   58 56 73 72   59 57 73 73
Dewpt         67 64 63 61   55 54 57 58   54 53 58 59   55 55 59 60
PWind dir         E     N      NW    NW      NE    SE      SE    SE
Wind char        LT    GN      LT    LT      LT    LT      LT    GN
Avg clouds    B2 OV B1 SC   FW FW FW FW   FW FW SC SC   FW SC SC SC
PoP 12hr         80    20       0     5      10     5       5     5
Rain shwrs     L  D  S
Tstms          L  D  S

$$
IAZ049-192200-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
1236 PM CDT Sat Aug 19 2017

Date             Sat 08/19/17            Sun 08/20/17            Mon 08/21/17
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          60          85          67          83
Temp                   77 80 78 67 64 62 61 75 83 85 81 73 71 69 68 74 79 83 79
Dewpt                  63 63 64 63 62 60 60 66 66 67 70 68 67 67 67 70 71 71 72
RH                     62 56 62 87 93 93 97 74 57 55 69 84 87 93 97 87 77 67 79
Wind dir                S  S SE  E SE SE SE  S  S  S  S SE  S  S  S  S  S  S  S
Wind spd                4  4  3  3  3  3  3  5  9  8  6  6  5  8  5  6  9  9  6
Clouds                 SC SC CL CL FW SC B2 B1 B1 B1 SC SC B2 B2 B2 B2 B2 B1 B2
PoP 12hr                      0          20          30          50          50
QPF 12hr                      0           0        0.14        0.64        0.54
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                C  C  C  C  C  C  C  C  C  C  C  C  L
Tstms                                     S  S  C  C  C  C  C  C  C  C  C  C  L
Obvis                                 PF
Heat index                                                                88
Max heat                     82                86    88                83    88


Date          Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
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          67    79      56    77      54    76      54    76
Temp          70 67 77 76   62 58 75 73   59 56 74 73   58 56 74 73
Dewpt         69 67 66 63   56 53 57 59   55 53 57 58   55 54 59 60
PWind dir        SW    NW       N     N      NE     E      SE    SE
Wind char        LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B2 OV B2 SC   FW FW FW FW   FW FW SC SC   FW SC SC SC
PoP 12hr         70    30       0     0       5     5       5     5
Rain shwrs     L  L  C
Tstms          L  L  C

$$
IAZ086-192200-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
1236 PM CDT Sat Aug 19 2017

Date             Sat 08/19/17            Sun 08/20/17            Mon 08/21/17
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                      86          64          90          70          88
Temp                   83 86 83 71 67 65 66 80 88 90 86 78 74 71 70 77 85 87 84
Dewpt                  62 61 61 60 60 59 60 65 67 67 67 68 67 68 68 70 70 70 71
RH                     49 43 47 68 78 81 81 60 50 47 53 71 79 90 93 79 61 57 65
Wind dir               SE  S  W  E  S  S  S  S  S  S  S  S  S SE  S  S  S  S  S
Wind spd                4  4  4  3  4  3  4  6  8 10  6  6  5  5  5  8 10 11  9
Clouds                 SC FW CL CL FW SC B1 B2 B2 B1 B1 B1 B2 B2 B2 B2 B2 B1 B2
PoP 12hr                      0           5          30          40          50
QPF 12hr                      0           0        0.07        0.16        0.50
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   S  C  C  C  C  C  C  C  C  C  C  C
Tstms                                        S  C  C  C  C  C  C  C  C  C  C  C
Heat index                                                                92 89
Max heat               84    86    81          92    95    87          91    93


Date          Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
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    83      58    81      56    80      55    80
Temp          74 70 81 80   66 59 79 76   62 58 77 75   62 57 78 76
Dewpt         70 69 69 64   58 55 54 56   55 53 55 56   55 54 57 57
PWind dir        SW     W       N     N      NE    NE       E    SE
Wind char        LT    GN      GN    LT      LT    LT      LT    LT
Avg clouds    B2 B2 B2 B1   FW FW FW FW   FW FW SC FW   FW FW SC SC
PoP 12hr         80    40       0     0       5     5       5     5
Rain shwrs     C  D  C  S
Tstms          C  D  S  S

$$



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