Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
905 PM CDT Sun Aug 20 2017

IAZ060-211000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
905 PM CDT Sun Aug 20 2017

Date           08/20/17      Mon 08/21/17            Tue 08/22/17            Wed
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                      71          90          69          82          57
Temp                74 72 72 73 80 88 90 86 78 73 71 69 74 80 82 78 69 63 59 58
Dewpt               67 67 68 70 70 72 70 70 70 69 67 66 66 60 57 55 56 53 52 51
RH                  79 84 87 90 72 59 52 59 76 87 87 90 76 51 43 45 63 70 78 77
Wind dir             S SE SE SE  S  S SW SW SW SW  W NW  N  N  N  N  N NW NW NW
Wind spd             4  4  4  5  9 12 12 10  8  5  5  5 10 13 14  9  5  4  3  4
Clouds              FW SC B2 B2 B1 B1 B1 B1 OV OV OV B2 SC FW FW FW FW CL CL CL
PoP 12hr                     80          40          70          10           0
QPF 12hr                   0.31        0.10        0.63           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  L  C  S  S  C  C  L  L  C
Tstms                   S  C  C  S  S  C  C  L  L  S
Heat index                         95 96 91
Max heat                           96    98    88          82    83


Date           08/23  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
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      58    80      61    82      62    82      63    82
Temp          77 76   63 59 76 77   65 63 79 79   67 63 80 79   68 64 79 80
Dewpt         52 53   54 53 56 56   55 54 57 57   56 56 60 60   59 60 61 60
PWind dir        NW      NE     E      SE    SE      SE     S       S    SW
Wind char        LT      LT    LT      LT    GN      LT    GN      LT    LT
Avg clouds    CL FW   FW FW SC SC   SC SC B1 B1   B1 B1 SC SC   B1 B1 B1 SC
PoP 12hr          0       0     5       0     0       0    10      20    20
Rain shwrs                                                          S  S
Tstms                                                               S  S

$$
IAZ039-211000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
905 PM CDT Sun Aug 20 2017

Date           08/20/17      Mon 08/21/17            Tue 08/22/17            Wed
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                      66          83          65          78          53
Temp                72 68 67 67 72 80 83 79 72 69 67 65 70 77 78 73 63 58 55 54
Dewpt               67 65 65 66 68 69 70 71 69 68 66 64 63 60 58 57 56 53 51 50
RH                  84 90 93 97 87 69 65 77 90 97 97 97 78 56 50 57 78 83 86 86
Wind dir             S  S SE SE  S  S  S NW NE SW  W NW NW NW  N  N NW NW NW NW
Wind spd             4  3  3  5  8 10  8  8  5  4  5  6 10 14 14  9  5  4  4  5
Clouds              FW SC B2 OV B2 B2 B1 OV OV OV OV B2 SC FW FW FW CL CL CL CL
PoP 12hr                     70          70          70           5           0
QPF 12hr                   0.36        0.38        0.88           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 C  L  C  C  L  L  C  L  C
Tstms                      C  L  C  C  L  L  C  L  S


Date           08/23  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
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      52    76      56    77      58    78      59    77
Temp          76 73   57 54 74 72   60 58 75 74   63 59 76 74   64 61 75 74
Dewpt         55 55   53 52 55 57   55 53 57 59   55 55 60 60   58 58 61 60
PWind dir        NW      NE     E      SE    SE      SE     S       S    SW
Wind char        LT      LT    LT      LT    GN      GN    GN      LT    LT
Avg clouds    FW FW   FW FW FW SC   SC SC B1 B1   B1 B1 B1 B1   B1 B1 B1 B1
PoP 12hr          0       0     0       5     5       5    10      20    10
Rain shwrs                                                       S  S
Tstms                                                            S  S

$$
IAZ048-211000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
905 PM CDT Sun Aug 20 2017

Date           08/20/17      Mon 08/21/17            Tue 08/22/17            Wed
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                      69          86          66          80          53
Temp                72 70 69 69 75 84 86 82 72 69 68 66 72 79 80 77 65 59 56 54
Dewpt               69 67 67 68 70 71 71 71 70 68 66 65 64 60 57 56 56 54 51 51
RH                  90 90 93 97 84 65 61 69 93 97 93 97 76 52 45 48 73 83 83 90
Wind dir             S SE SE SE SE  S SW  W  W SW  W NW  N  N  N  N  N NW NW NW
Wind spd             3  3  3  5  9 10 10  9  5  5  5  6 10 13 13  9  5  4  3  4
Clouds              FW B1 OV B2 B2 B1 B1 B2 OV OV OV B2 SC FW FW FW CL CL CL CL
PoP 12hr                     80          40          80          10           0
QPF 12hr                   0.42        0.16        0.68           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  L  C  C  S  C  C  D  L  C
Tstms                   S  L  C  C  S  C  C  D  L  S
Heat index                         89 91
Max heat                           90    92                      81


Date           08/23  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
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    77      58    80      59    80      60    80
Temp          77 75   59 55 75 74   63 60 77 77   65 60 78 76   65 61 77 77
Dewpt         53 55   54 52 57 57   55 54 58 58   56 56 61 61   60 59 61 61
PWind dir        NW      NE     E      SE    SE      SE     S       S    SW
Wind char        LT      LT    LT      LT    GN      LT    GN      LT    LT
Avg clouds    CL FW   FW FW SC SC   SC SC B1 B1   B1 B1 B1 B1   B1 B1 B1 SC
PoP 12hr          0       0    10       0     0       0     5      20    10
Rain shwrs                                                       S  S
Tstms                                                            S  S

$$
IAZ004-211000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
905 PM CDT Sun Aug 20 2017

Date           08/20/17      Mon 08/21/17            Tue 08/22/17            Wed
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                      64          79          58          74          50
Temp                72 68 66 64 71 77 79 73 67 65 62 58 65 72 74 70 59 54 52 51
Dewpt               68 66 65 64 68 70 71 68 67 64 61 57 58 55 54 54 52 50 48 48
RH                  87 93 97100 90 79 77 84100 97 97 96 78 55 50 57 78 86 86 89
Wind dir             N NE NE NE  E  S  W  N NW NW NW NW  N  N  N NW NW  W  W NW
Wind spd             3  5  4  4  6  8  8  5  4  5  6  8 11 14 14  9  4  4  4  4
Clouds              SC B1 OV B2 B2 B2 B2 OV OV B2 SC FW FW FW FW CL CL CL CL CL
PoP 12hr                     70          70          70           0           0
QPF 12hr                   0.33        0.41        0.18           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  L  S  S  C  L  L  C  S
Tstms                   C  L  S  S  C  L  L  C  S


Date           08/23  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
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      52    73      58    75      59    75      59    76
Temp          72 71   55 53 71 71   62 59 74 71   63 60 73 73   63 60 74 73
Dewpt         53 56   52 52 57 58   55 55 59 60   56 57 62 63   61 59 61 61
PWind dir        NW       E    SE      SE     S       S     S      SW     W
Wind char        LT      LT    LT      GN    GN      GN    GN      LT    LT
Avg clouds    CL FW   FW SC SC SC   SC B1 B1 B1   B1 B1 B2 B1   B1 B1 SC SC
PoP 12hr          0       0     5       5    10      20    40      40    20
Rain shwrs                                            S  C  C    C  S  S  S
Tstms                                                 S  C  C    S  S  S  S

$$
IAZ035-211000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
905 PM CDT Sun Aug 20 2017

Date           08/20/17      Mon 08/21/17            Tue 08/22/17            Wed
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          83          62          77          52
Temp                74 70 69 68 73 81 83 77 69 67 65 62 68 75 77 73 63 58 55 53
Dewpt               68 67 66 66 69 70 71 69 68 67 64 62 62 57 56 55 55 52 49 48
RH                  82 90 90 93 87 69 67 76 97100 97100 81 54 48 53 75 80 80 83
Wind dir            SE SE SE SE  S  S SW  N NW NW NW NW  N  N  N  N  N NW  W NW
Wind spd             4  3  6  6  9  9  8  9  4  5  6  6 11 14 13  8  4  3  4  3
Clouds              SC B1 OV B2 B2 B1 B2 B2 OV OV B2 SC FW FW FW FW CL CL CL CL
PoP 12hr                     70          60          70           5           0
QPF 12hr                   0.67        0.25        0.70           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  L  C  S  C  C  L  L  C  C
Tstms                   S  L  C  S  C  C  L  L  C  S
Heat index                            88
Max heat                           85    89


Date           08/23  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
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      53    75      59    79      60    78      60    78
Temp          75 74   58 54 72 72   63 60 77 76   65 61 76 75   65 61 76 75
Dewpt         54 56   53 51 57 57   55 54 59 58   55 56 61 62   61 59 61 61
PWind dir        NW       E    SE      SE     S       S     S       S     W
Wind char        LT      LT    LT      LT    GN      GN    GN      LT    LT
Avg clouds    CL FW   FW SC SC SC   SC B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 SC
PoP 12hr          0       0    10       0     5       5    20      30    10
Rain shwrs                                                  S    C  S
Tstms                                                       S    S  S

$$
IAZ094-211000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
905 PM CDT Sun Aug 20 2017

Date           08/20/17      Mon 08/21/17            Tue 08/22/17            Wed
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                      70          89          69          84          55
Temp                70 72 72 72 80 87 89 85 77 72 70 69 74 81 84 79 68 62 58 56
Dewpt               68 69 69 70 72 72 72 70 70 70 68 67 68 63 59 56 56 54 53 52
RH                  93 90 90 93 77 61 57 61 79 93 93 93 82 54 43 45 65 75 83 86
Wind dir            SE SE  S  S SE  S SW  S SW SW SW  W  N  N  N  N  N  N  N NW
Wind spd             4  5  6  5  8 11 12 10  9  9  8  6 10 12 14  9  5  4  3  4
Clouds              SC B1 B1 SC B1 SC B1 B1 B2 OV OV OV B2 SC FW FW FW FW CL CL
PoP 12hr                     40          30          80          30           0
QPF 12hr                   0.08        0.06        0.87        0.03           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  C  S  S  S  C  D  D  L  C
Tstms                      S  C  S  S  S  C  D  D  S  S
Heat index                         94 96
Max heat                           95    97    87          82    84


Date           08/23  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
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          81      57    80      59    82      60    81      61    81
Temp          79 77   62 58 77 77   64 61 79 79   66 61 79 78   65 62 79 77
Dewpt         50 51   53 52 54 54   54 53 55 55   56 56 59 59   60 59 60 59
PWind dir         N      NE     E      SE    SE      SE     S       S    NE
Wind char        LT      LT    LT      LT    GN      LT    GN      LT    LT
Avg clouds    CL FW   FW FW SC SC   SC SC B1 B1   SC SC SC SC   SC B1 B1 SC
PoP 12hr          0       0     0       0     0       0    10      10    20
Rain shwrs                                                  S          S
Tstms                                                       S          S

$$
IAZ017-211000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
905 PM CDT Sun Aug 20 2017

Date           08/20/17      Mon 08/21/17            Tue 08/22/17            Wed
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          80          60          75          51
Temp                73 68 66 65 72 78 80 75 67 65 63 60 66 74 75 71 60 56 53 52
Dewpt               68 66 66 65 68 70 70 68 67 65 63 60 61 58 56 56 55 51 49 49
RH                  84 93100100 87 76 72 79100100100100 84 57 52 59 84 83 86 89
Wind dir             S  S  E  E  S  S SW NW  W  W NW NW NW NW NW NW NW NW NW NW
Wind spd             4  4  5  5  8  8  8  9  4  5  6  8 12 17 14 10  5  5  5  5
Clouds              SC SC OV B2 B2 B2 OV OV OV OV B2 SC FW FW FW FW CL CL CL CL
PoP 12hr                     60          70          70           5           0
QPF 12hr                   0.44        0.42        0.60           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 C  C  S  C  L  L  C  C
Tstms                      C  C  S  C  L  L  C  C


Date           08/23  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
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    74      57    76      58    76      59    76
Temp          72 71   54 52 72 71   60 59 75 72   63 59 74 73   63 60 74 73
Dewpt         55 56   52 51 56 57   55 54 58 59   56 56 60 62   60 58 61 61
PWind dir        NW      NE    SE      SE     S       S     S       S     W
Wind char        LT      LT    LT      LT    GN      GN    GN      LT    LT
Avg clouds    FW FW   FW FW SC SC   SC SC B1 B1   B1 B1 B1 B1   B1 B1 B1 B1
PoP 12hr          0       0     0       0     5      10    20      20    20
Rain shwrs                                                  S    S  S  S  S
Tstms                                                       S    S  S  S  S

$$
IAZ049-211000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
905 PM CDT Sun Aug 20 2017

Date           08/20/17      Mon 08/21/17            Tue 08/22/17            Wed
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          84          65          79          52
Temp                71 68 68 68 74 81 84 80 71 68 67 65 71 78 79 74 63 58 55 53
Dewpt               67 66 66 67 68 70 70 71 70 67 66 64 64 60 57 57 56 53 51 50
RH                  87 93 93 97 82 69 63 74 97 97 97 97 79 54 47 55 78 83 86 89
Wind dir            SE SE SE SE  S  S  S SW  W SW  W NW  N  N  N  N NW NW NW NW
Wind spd             3  3  5  8  9 11 11 10  8  5  5  6 10 14 14 10  5  4  4  5
Clouds              FW SC B2 OV B2 B1 B1 B2 OV OV OV B2 SC FW FW FW CL CL CL CL
PoP 12hr                     80          50          80          10           0
QPF 12hr                   0.38        0.26        0.84           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 C  C  C  C  C  C  D  L  C
Tstms                      C  C  C  C  C  C  D  L  S
Heat index                            89
Max heat                           85    90


Date           08/23  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
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      52    76      56    77      58    79      59    78
Temp          76 73   56 53 73 72   60 57 75 73   62 60 77 75   63 60 76 74
Dewpt         54 55   53 51 56 57   54 53 57 58   54 55 59 60   59 58 60 60
PWind dir        NW      NE     E      SE    SE      SE     S       S    SW
Wind char        LT      LT    LT      LT    GN      LT    GN      LT    LT
Avg clouds    CL FW   FW FW SC SC   SC SC B1 B1   B1 B1 B1 B1   B1 B1 B1 SC
PoP 12hr          0       0     5       0     5       0     5      20    20
Rain shwrs                                                       S  S  S
Tstms                                                            S  S  S

$$
IAZ086-211000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
905 PM CDT Sun Aug 20 2017

Date           08/20/17      Mon 08/21/17            Tue 08/22/17            Wed
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                      70          89          69          84          54
Temp                72 70 71 70 78 88 88 84 78 73 70 69 74 81 84 78 67 61 57 56
Dewpt               66 66 67 69 70 71 70 71 70 70 68 68 68 64 60 57 57 54 52 51
RH                  81 87 87 97 76 57 55 65 76 90 93 97 82 56 44 48 70 78 83 83
Wind dir             S  S  S SW  S  S  S SW SW  W SW  W NW NW  N  N  N NW NW NW
Wind spd             3  3  4  6  8 12 12 10  8  9  6  6 10 13 14 10  5  5  4  5
Clouds              FW SC B1 B2 B2 SC B1 B1 B2 OV OV OV B2 SC FW FW CL CL CL CL
PoP 12hr                     50          40          80          30           0
QPF 12hr                   0.22        0.09        0.83        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S  C  S  C  S  C  D  D  L  C
Tstms                   S  S  C  S  C  S  C  D  D  S  S
Heat index                         94 93 89
Max heat                           95    95    88          83    84


Date           08/23  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
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          81      55    79      57    81      58    82      60    82
Temp          78 76   60 56 76 75   62 59 79 77   64 60 80 78   65 61 79 78
Dewpt         51 53   53 52 53 54   54 51 55 55   55 54 57 58   58 57 60 59
PWind dir        NW      NE    NE      SE    SE      SE    SE       S    SW
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    CL FW   FW FW FW SC   FW SC SC SC   B1 B1 SC SC   SC B1 B1 B1
PoP 12hr          0       0     0       0     0       0     0       5    20
Rain shwrs                                                             S
Tstms                                                                  S

$$



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