Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
1221 AM CDT Fri Aug 18 2017

IAZ060-191000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
1221 AM CDT Fri Aug 18 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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          85          61          86          64
Temp                   66 62 64 73 79 85 81 72 67 64 61 73 82 86 83 72 67 65 65
Dewpt                  60 59 60 62 62 63 63 64 62 61 60 63 61 59 61 61 60 60 61
RH                     81 90 87 68 56 48 54 76 84 90 97 71 49 40 47 68 78 84 87
Wind dir                W SW  W  S SW  W  W NW  W NW NW NW NW NW NE  E  S SE SE
Wind spd                4  3  4  6 11 13  8  3  3  3  3  4  5  5  4  3  4  3  4
Clouds                 FW FW SC B2 B1 B1 FW SC FW FW SC FW FW CL FW FW FW SC SC
PoP 12hr                      0          40          20           0           5
QPF 12hr                      0        0.05        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       S  S  C  S
Tstms                               S  C  S


Date           08/20  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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          92      70    90      73    88      63    84      60    81
Temp          89 88   74 71 83 88   78 74 86 86   70 64 81 81   66 61 78 78
Dewpt         64 65   65 67 71 71   72 71 71 67   64 62 61 60   59 59 60 59
PWind dir         S       S     S      SW    NW       N    NE      NE     E
Wind char        LT      LT    GN      GN    LT      LT    LT      LT    LT
Avg clouds    SC SC   B1 B2 B2 B1   B2 B2 B1 SC   FW FW SC FW   FW SC SC SC
PoP 12hr         10      40    50      50    30       5     0       0     0
Rain shwrs             S  C  C  C    C  C  C  C
Tstms                  S  C  C  C    C  C  C  C

$$
IAZ039-191000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
1221 AM CDT Fri Aug 18 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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          78          58          80          60
Temp                   64 61 62 71 75 78 76 66 63 61 59 71 78 80 78 68 63 62 61
Dewpt                  61 59 59 63 62 62 63 62 61 59 58 64 64 62 63 62 61 60 59
RH                     90 93 90 76 64 58 64 87 93 93 96 79 62 54 60 81 93 93 93
Wind dir                W  W  W  W SW SW  N  E NE  N  N NW NW  W SW SE  S  S  S
Wind spd                5  4  4  5  8  8  5  3  3  3  3  3  3  4  3  3  3  3  4
Clouds                 FW FW SC B2 B1 B1 SC B1 B1 SC SC SC SC FW FW FW FW FW SC
PoP 12hr                      0          40          40           0          10
QPF 12hr                      0        0.05        0.03           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          C  C  C  C
Tstms                               S  C  C  C


Date           08/20  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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          86      66    85      69    83      60    81      56    77
Temp          84 82   71 67 80 80   74 70 82 80   66 61 79 76   62 58 75 73
Dewpt         67 67   64 64 71 69   69 69 70 67   62 59 61 61   58 56 59 59
PWind dir         S       S     S       S    NW       N     N      NE     E
Wind char        LT      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   B1 B2 B2 B2   B2 B2 B1 SC   FW FW FW FW   FW FW FW SC
PoP 12hr         10      20    50      60    40       5     0       0     0
Rain shwrs             S  S  C  C    L  C  C  S
Tstms                  S  S  C  C    L  C  C  S

$$
IAZ048-191000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
1221 AM CDT Fri Aug 18 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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          83          58          83          61
Temp                   63 61 62 71 77 83 79 69 63 61 58 70 79 83 80 69 65 63 62
Dewpt                  61 59 59 62 63 63 64 64 62 60 58 64 62 61 63 63 61 60 60
RH                     93 93 90 73 62 51 60 84 97 97100 81 56 47 56 81 87 90 93
Wind dir                W  W  W  S SW  W  W NW NW NW NW NW NW  W NE SE  S  S  S
Wind spd                4  3  3  5 11 10  6  3  3  3  3  3  4  4  3  3  3  3  3
Clouds                 FW FW SC B2 B1 SC SC SC SC SC SC FW FW CL FW FW FW FW SC
PoP 12hr                      0          40          30           0           5
QPF 12hr                      0        0.05        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       C  S  C  C
Tstms                               S  C  C


Date           08/20  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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          89      67    87      70    84      61    82      58    79
Temp          86 84   72 68 81 84   75 71 82 82   67 62 79 78   63 60 77 76
Dewpt         66 67   65 66 71 72   71 70 70 68   63 61 62 62   59 57 60 60
PWind dir         S       S     S      SW    NW       N    NE      NE     E
Wind char        LT      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   B1 B2 B2 B2   B2 B2 B1 SC   FW FW SC FW   FW SC SC SC
PoP 12hr         10      40    50      50    30      10     0       0     0
Rain shwrs             C  C  C  C    C  C  C  S
Tstms                  C  C  C  C    C  C  C  S

$$
IAZ004-191000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
1221 AM CDT Fri Aug 18 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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          77          57          80          61
Temp                   59 60 61 66 72 77 74 65 60 58 58 69 76 80 77 67 64 63 62
Dewpt                  58 57 59 62 62 63 63 63 60 58 58 63 62 62 63 63 61 60 60
RH                     96 90 93 87 71 62 69 93100100100 81 62 54 62 87 90 90 93
Wind dir                W  W  W  S  S SW  N  N NW NW NW  W SW  S  S  S  S  S  S
Wind spd                4  4  5  5  8  6  5  4  4  4  3  4  4  5  4  4  6  6  5
Clouds                 FW B1 OV B1 B1 SC B1 SC FW SC SC FW FW FW FW FW FW SC SC
PoP 12hr                     60          50          40           0           5
QPF 12hr                      0        0.15        0.07           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  C  S  S  C  C  C
Tstms                         C     S  C  C  C


Date           08/20  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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          85      65    83      65    80      58    77      55    75
Temp          82 81   69 66 77 79   69 66 77 78   63 60 75 73   59 57 73 73
Dewpt         68 69   67 66 71 71   67 65 66 65   60 58 61 61   57 56 59 60
PWind dir         S       S     S      SW     N       N    NW       E    SE
Wind char        GN      LT    GN      LT    GN      LT    LT      LT    LT
Avg clouds    SC B1   B1 B2 B2 B2   B1 B1 SC FW   FW FW FW FW   FW FW SC SC
PoP 12hr         20      50    30      50    20      10     5       0     5
Rain shwrs        S    C  C  C  C    C  C  S
Tstms             S    C  C  C  C    C  C  S

$$
IAZ035-191000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
1221 AM CDT Fri Aug 18 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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          81          56          81          61
Temp                   62 60 61 68 75 81 79 68 61 58 57 69 77 81 78 68 65 63 62
Dewpt                  59 57 58 62 62 63 64 64 61 58 57 63 62 62 63 62 60 59 59
RH                     90 90 90 81 64 54 60 87100100100 81 60 53 60 81 84 87 90
Wind dir                W  W SW  S SW  W NW  N  N NW NW  W  W SW  S SE  S  S  S
Wind spd                2  2  3  5 10  8  5  4  3  3  2  3  5  4  4  4  4  4  4
Clouds                 FW SC B2 B2 B1 SC SC B1 FW FW SC FW FW FW FW FW FW SC SC
PoP 12hr                     10          40          30           0           5
QPF 12hr                      0        0.08        0.04           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S  C  S  C  C  S
Tstms                         S     S  C  C  S


Date           08/20  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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          88      68    86      68    83      60    80      56    78
Temp          84 85   71 69 80 83   73 69 81 80   65 62 78 76   62 58 76 75
Dewpt         67 68   66 65 71 72   70 67 68 67   61 58 61 61   58 56 60 60
PWind dir         S       S     S      SW     N       N    NE       E     E
Wind char        GN      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   B1 B2 B2 B2   B2 B2 B1 SC   FW FW FW FW   FW SC SC SC
PoP 12hr         10      50    40      60    30      10     0       0     5
Rain shwrs             C  C  C  C    L  C  C
Tstms                  C  C  C  C    L  C  C

$$
IAZ094-191000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
1221 AM CDT Fri Aug 18 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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          82          61          86          64
Temp                   64 62 64 74 79 81 79 70 66 64 62 74 82 86 83 73 68 66 65
Dewpt                  59 58 58 60 62 62 63 64 63 62 61 63 60 59 60 61 60 61 61
RH                     84 87 81 62 56 53 58 81 90 93 97 69 47 40 46 66 76 84 87
Wind dir                W  W SW SW SW SW  W  W  W  W NW  N NW NW NW SE  S  S  S
Wind spd                4  3  4  6 12 13  8  4  4  4  4  4  5  5  4  3  3  3  4
Clouds                 FW CL FW B1 B1 B1 SC SC SC FW SC FW CL CL FW FW FW SC SC
PoP 12hr                      0          40          20           0           5
QPF 12hr                      0        0.05        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       C  C  C  S
Tstms                               S  C  S


Date           08/20  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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          90      69    90      72    88      64    84      61    81
Temp          88 87   73 70 83 87   77 73 87 83   71 65 82 81   67 62 79 78
Dewpt         64 64   66 67 71 71   73 72 71 68   66 64 62 61   60 59 60 59
PWind dir         S       S     S      SW     W       N    NE      NE     E
Wind char        GN      LT    GN      GN    LT      LT    LT      LT    LT
Avg clouds    SC SC   B1 B1 B2 B1   B1 B2 B1 B1   SC SC SC SC   FW SC SC SC
PoP 12hr          0      40    40      50    20      10     5       0     5
Rain shwrs             S  C  C  C    C  C  S  S
Tstms                  S  C  C  C    C  C  S  S

$$
IAZ017-191000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
1221 AM CDT Fri Aug 18 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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          76          57          79          59
Temp                   60 58 60 68 73 76 74 64 60 59 58 69 77 79 77 66 61 60 60
Dewpt                  60 58 58 63 62 64 64 62 59 59 58 64 63 62 64 62 60 59 59
RH                    100100 93 84 68 66 71 93 96100100 84 62 56 64 87 97 96 96
Wind dir                W  W  W  W  S SW  N  E  N NW NW  W  W SW  S  S  S  S  S
Wind spd                8  5  5  5  8  8  4  3  3  3  3  4  4  5  4  3  4  4  5
Clouds                 FW FW B1 B2 B1 SC SC B1 SC SC SC SC SC FW FW CL FW FW SC
PoP 12hr                      5          40          40           0          10
QPF 12hr                      0        0.07        0.09           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S  C  C  C  C  C
Tstms                         S     S  C  C  C


Date           08/20  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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          85      65    82      67    81      58    79      55    76
Temp          83 81   69 66 77 78   70 68 79 78   64 60 77 74   60 57 74 72
Dewpt         68 69   66 65 71 71   69 67 68 66   60 59 61 61   57 56 59 60
PWind dir         S       S     S       S     N       N     N       N     E
Wind char        GN      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   B1 B2 B2 B2   B2 B2 B1 SC   FW FW FW FW   FW FW FW SC
PoP 12hr         10      40    50      60    30      10     0       0     5
Rain shwrs             C  C  C  C    L  C  C
Tstms                  C  C  C  C    L  C  C

$$
IAZ049-191000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
1221 AM CDT Fri Aug 18 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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                      57          82          57          81          59
Temp                   61 59 61 71 77 82 78 67 62 58 58 70 79 81 78 67 63 60 60
Dewpt                  61 59 59 62 61 62 63 63 61 58 58 63 63 62 63 62 60 59 59
RH                    100100 93 73 58 51 60 87 97100100 78 58 53 60 84 90 96 96
Wind dir                W  W  W SW SW SW  W NE NE  N  N  N NW  W NE SE  S  S  S
Wind spd                4  4  4  5 10 10  5  3  3  3  3  3  4  4  3  3  4  3  4
Clouds                 FW FW SC B2 B1 SC SC B1 SC SC SC FW FW FW FW FW FW FW SC
PoP 12hr                      0          40          40           0          10
QPF 12hr                      0        0.05        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          C  C  C  S
Tstms                               S  C  C  S


Date           08/20  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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          87      66    86      68    83      59    80      56    77
Temp          84 83   70 67 80 82   72 69 81 80   66 61 78 76   62 58 75 73
Dewpt         65 66   63 64 70 70   70 68 70 67   62 60 61 62   58 56 60 59
PWind dir         S       S     S       S    NW       N     N      NE     E
Wind char        LT      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   B1 B2 B2 B2   B2 B2 B2 SC   FW FW FW FW   FW FW FW SC
PoP 12hr         10      20    50      60    30       5     0       0     0
Rain shwrs             S  S  C  C    L  L  C  C
Tstms                  S  S  C  C    L  L  C  C

$$
IAZ086-191000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
1221 AM CDT Fri Aug 18 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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          85          61          86          62
Temp                   65 62 64 74 81 85 79 69 66 64 62 74 83 86 83 71 66 64 63
Dewpt                  60 59 59 61 59 59 62 63 63 61 60 63 61 58 60 61 59 59 60
RH                     84 90 84 64 47 41 56 81 90 90 93 69 47 39 46 71 78 84 90
Wind dir                W  W  W  W SW SW  W SW  W  W NW NW NW NW  N  E  S  S  S
Wind spd                6  5  4  5 11 12  6  4  3  3  3  4  5  5  4  4  3  3  3
Clouds                 FW CL FW SC B1 B1 B1 SC SC SC SC FW FW FW FW CL FW FW SC
PoP 12hr                      0          40          40           0           5
QPF 12hr                      0        0.03        0.04           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             C  C  C
Tstms                                  C  C  C


Date           08/20  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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          92      68    91      72    88      63    85      59    82
Temp          90 87   72 70 86 86   77 73 87 84   69 64 83 80   65 61 80 78
Dewpt         62 62   64 63 70 69   71 71 72 68   64 61 61 60   59 57 59 58
PWind dir         S       S     S      SW     W       N     N      NE     E
Wind char        LT      LT    GN      GN    LT      LT    LT      LT    LT
Avg clouds    SC SC   B1 B1 B2 B1   B2 B2 B2 B1   SC FW FW FW   FW FW SC SC
PoP 12hr          5      20    60      70    50       5     0       0     0
Rain shwrs             S  S  C  L    C  L  C  C
Tstms                  S  S  C  L    C  L  C  C

$$



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