Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
352 AM CDT Mon Aug 21 2017

IAZ060-212200-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
352 AM CDT Mon Aug 21 2017

Date             Mon 08/21/17            Tue 08/22/17            Wed 08/23/17
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                      87          68          81          55          80
Temp          70 69 75 79 87 82 76 72 70 68 72 79 81 77 67 61 58 57 71 77 80 77
Dewpt         67 67 70 71 71 72 69 68 68 66 64 60 56 54 55 53 51 51 54 51 51 52
RH            90 93 84 77 59 72 79 87 93 93 76 52 42 45 65 75 77 80 55 40 36 42
Wind dir       S SE  S  S SW SW SW  W  W NW  N  N  N  N  N NW NW NW NW NW  N NE
Wind spd       5  6  9  9 10  9  8  5  5  6  9 10 11  9  4  4  3  4  4  6  5  5
Clouds        OV OV B2 B1 B1 B1 B2 OV B2 B2 SC FW FW FW CL CL CL CL CL FW FW FW
PoP 12hr                     60          70           5           0           0
QPF 12hr                   0.25        0.52           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     O  L  C     C  L  L  L  C
Tstms          O  L  C     C  L  L  L  C
Heat index                93 87
Max heat               85    94    85                81                      80


Date          Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
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          57    79      60    81      61    82      61    82
Temp          61 58 76 76   65 61 78 79   66 63 79 79   65 63 79 80
Dewpt         53 53 55 56   55 56 57 57   57 57 59 59   58 59 61 61
PWind dir        NE     E      SE    SE      SE     S       S     S
Wind char        LT    LT      LT    GN      LT    GN      LT    LT
Avg clouds    FW SC SC SC   B1 B1 B1 B1   B1 B1 SC SC   SC B1 B1 SC
PoP 12hr          0     5      10     5       5    10      20    30
Rain shwrs                                                  S  C  C
Tstms                                                       S  C  C

$$
IAZ039-212200-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
352 AM CDT Mon Aug 21 2017

Date             Mon 08/21/17            Tue 08/22/17            Wed 08/23/17
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                      82          64          77          52          76
Temp          66 67 72 78 82 78 72 68 65 64 69 76 77 73 62 57 55 53 68 75 76 72
Dewpt         65 65 67 69 71 72 70 67 65 63 62 59 56 56 55 52 50 50 56 54 54 55
RH            97 93 84 74 69 82 93 97100 97 78 56 48 55 78 83 83 89 65 48 46 55
Wind dir      SE SW  S  S  S SW  W  W  W NW  N  N  N NW NW NW NW NW NW NW NW  N
Wind spd       3  6  8  9 10  6  8  5  6  8 10 11 12  8  4  4  4  4  4  8  6  5
Wind gust                                      21
Clouds        OV OV OV B2 B1 B2 OV OV B2 B1 SC FW FW CL CL CL CL CL CL FW FW SC
PoP 12hr                     70          70           5           0           0
QPF 12hr                   0.34        0.85           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  L  C  S  C  C  L  C  C
Tstms          C  L  C  S  C  C  L  C  C


Date          Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
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          52    76      56    77      58    78      59    78
Temp          57 53 73 73   60 57 74 74   62 60 76 75   64 61 76 75
Dewpt         53 52 55 56   55 53 57 59   56 55 59 60   58 58 61 61
PWind dir        NE     E      SE    SE      SE     S       S     S
Wind char        LT    LT      LT    GN      LT    GN      LT    LT
Avg clouds    SC SC SC SC   SC SC B1 B1   B1 B1 B1 B1   B1 B1 B1 B1
PoP 12hr          5    10      10    10      20    10      20    30
Rain shwrs                                    S             S  S  C
Tstms                                         S             S  S  C

$$
IAZ048-212200-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
352 AM CDT Mon Aug 21 2017

Date             Mon 08/21/17            Tue 08/22/17            Wed 08/23/17
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                      83          65          79          52          78
Temp          70 68 74 78 83 79 72 69 66 65 69 77 79 75 63 58 55 53 69 75 78 74
Dewpt         68 67 69 71 72 72 70 69 66 64 63 60 56 56 55 52 50 50 55 53 52 55
RH            93 97 84 79 70 79 93100100 97 81 56 45 52 75 80 83 89 61 46 40 51
Wind dir       S SE  S  S  S SW  W  W NW NW  N  N  N  N  N NW NW NW NW NW  N NE
Wind spd       5  5  9 10  9  8  8  5  6  8  9 10 11  8  4  3  3  3  4  5  5  4
Clouds        OV OV B2 B1 B1 B2 B2 OV B2 B1 FW FW FW FW CL CL CL CL CL FW FW FW
PoP 12hr                     60          70           5           0           0
QPF 12hr                   0.29        0.61           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  L  C     C  L  L  L  S
Tstms          C  L  C     C  L  L  L  S
Heat index                88
Max heat                     90


Date          Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
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          55    76      57    79      59    80      60    80
Temp          58 55 74 73   62 58 76 77   64 61 78 77   64 61 77 78
Dewpt         53 53 57 57   56 56 58 59   57 56 60 61   58 58 62 62
PWind dir        NE     E      SE    SE      SE     S       S     S
Wind char        LT    LT      LT    GN      LT    GN      LT    LT
Avg clouds    SC SC SC SC   SC B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 SC
PoP 12hr          5    10      10    20      10    20      30    30
Rain shwrs                         S                S       C  C  C
Tstms                              S                S       C  C  C

$$
IAZ004-212200-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
352 AM CDT Mon Aug 21 2017

Date             Mon 08/21/17            Tue 08/22/17            Wed 08/23/17
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          59          73          50          75
Temp          67 66 72 76 78 74 67 65 63 59 64 72 73 71 59 54 52 51 66 72 75 70
Dewpt         67 65 68 70 71 70 67 64 62 58 58 55 53 54 53 50 48 48 54 53 53 55
RH           100 97 87 82 79 87100 97 97 96 81 55 49 55 80 86 86 89 65 51 46 59
Wind dir      NE SE  S  S SW NW  N NW NW NW  N  N  N NW NW  W  W NW  W NW  W NE
Wind spd       4  6  6  8  8  6  5  8  9  8 10 11 11  8  4  4  4  4  4  6  5  4
Clouds        OV B2 B2 OV B2 B2 OV B2 B1 SC FW FW FW CL CL CL CL FW FW FW SC SC
PoP 12hr                     60          60           0           0           5
QPF 12hr                   0.48        0.46           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     L  S     C  L  L  C
Tstms          L  S     C  L  L  C


Date          Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
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          53    73      57    75      60    75      59    75
Temp          56 53 69 71   61 58 73 73   63 61 73 73   63 60 73 73
Dewpt         53 52 56 58   56 55 60 61   57 58 61 63   59 58 62 62
PWind dir         E    SE      SE     S       S     S       S    SW
Wind char        LT    LT      GN    GN      GN    GN      LT    LT
Avg clouds    SC SC SC SC   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 SC
PoP 12hr         10    20      20    20      20    30      30    40
Rain shwrs           S          S  S  S    S  S  C  S       C  C  C
Tstms                S          S  S  S    S  S  C  S       C  C  C

$$
IAZ035-212200-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
352 AM CDT Mon Aug 21 2017

Date             Mon 08/21/17            Tue 08/22/17            Wed 08/23/17
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                      82          62          76          52          77
Temp          69 68 74 78 82 78 70 67 64 62 68 74 76 73 62 57 54 53 68 75 77 73
Dewpt         66 64 68 70 71 71 69 67 64 61 61 58 55 55 53 51 49 49 55 53 53 55
RH            90 87 82 76 69 79 97100100 97 78 57 48 53 72 80 83 86 63 46 43 53
Wind dir       S SE  S  S SW SW NW NW NW NW  N  N  N  N NW  W  W NW NW NW  W NE
Wind spd       8  8  9  9  9  8  6  5  6  6  9 10 11  8  3  3  3  3  4  6  5  4
Clouds        OV OV B2 B2 B1 B2 OV OV B2 SC FW FW FW CL CL CL CL CL CL FW FW SC
PoP 12hr                     60          60           0           0           0
QPF 12hr                   0.31        0.50           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     L  C  S  S  C  L  L  S
Tstms          L  C  S  S  C  L  L  S


Date          Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
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          54    75      58    78      60    79      59    78
Temp          57 54 72 72   62 59 75 76   64 61 76 76   64 60 75 76
Dewpt         54 52 57 57   55 55 59 60   57 56 61 62   58 58 62 62
PWind dir         E    SE      SE    SE      SE     S       S     S
Wind char        LT    LT      LT    GN      GN    GN      LT    GN
Avg clouds    SC SC SC SC   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 SC
PoP 12hr         10    10      10    30      10    20      30    30
Rain shwrs                         C                S    S  C  C  C
Tstms                              C                S    S  C  C  C

$$
IAZ094-212200-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
352 AM CDT Mon Aug 21 2017

Date             Mon 08/21/17            Tue 08/22/17            Wed 08/23/17
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          69          82          54          81
Temp          70 69 77 85 88 85 77 73 70 69 73 80 82 77 66 61 57 55 71 77 81 77
Dewpt         67 68 71 71 72 73 71 69 67 67 66 62 58 55 55 53 52 51 54 50 49 51
RH            90 97 82 63 59 67 82 87 90 93 79 54 44 47 68 75 83 86 55 39 33 40
Wind dir       S SE  S  S  S  S  S SW SW NW  N  N  N  N  N  N  N NW  N  N NE NE
Wind spd       5  6  9 11 12  9  8 10  6  6 10 11 12  9  5  4  4  4  4  6  5  5
Clouds        B2 B2 SC SC B2 B1 B2 B2 B2 B2 SC FW FW CL CL CL CL CL CL FW CL FW
PoP 12hr                     40          80          20           0           0
QPF 12hr                   0.25        0.95           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  C  C     S  L  D  D  C  S  S
Tstms          S  C  C     S  L  D  D  C  S  S
Heat index             90 95 91
Max heat               91    95    89          81    83                      80


Date          Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
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          56    80      59    81      60    82      60    82
Temp          60 56 77 77   65 60 78 79   66 61 79 79   65 62 79 79
Dewpt         52 52 55 56   55 55 56 56   57 56 58 59   58 58 61 61
PWind dir         E    SE      SE    SE      SE     S       S     S
Wind char        LT    LT      LT    GN      LT    GN      LT    LT
Avg clouds    FW SC SC SC   SC B1 B1 B1   B1 B1 SC SC   SC B1 B1 SC
PoP 12hr          0     5       0     5       5     5      20    20
Rain shwrs                                               S  S  S  S
Tstms                                                    S  S  S  S

$$
IAZ017-212200-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
352 AM CDT Mon Aug 21 2017

Date             Mon 08/21/17            Tue 08/22/17            Wed 08/23/17
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          61          74          50          75
Temp          67 66 72 75 78 74 68 66 64 61 67 73 74 72 60 55 52 52 67 73 75 71
Dewpt         66 65 67 69 71 71 68 66 62 60 60 58 55 55 53 51 49 49 55 54 54 55
RH            97 97 84 82 79 90100100 93 97 78 59 51 55 78 86 89 89 65 51 48 57
Wind dir      SE  S  S  S SW  W NW NW NW NW  N  N NW NW NW  W  W NW NW NW NW  N
Wind spd       4  5  9  9  9  8  8  6  8  9 11 12 12  9  5  5  5  5  4  8  5  4
Clouds        OV OV B2 B2 B2 B2 OV OV B1 SC FW FW FW CL CL CL CL CL CL FW FW SC
PoP 12hr                     60          60           0           0           0
QPF 12hr                   0.47        0.59           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     L  C     S  L  L  C
Tstms          L  C     S  L  L  C


Date          Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
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          51    73      55    75      58    77      58    76
Temp          54 51 70 70   59 57 72 73   62 59 74 74   62 60 74 73
Dewpt         52 51 56 57   55 54 58 59   57 56 59 61   58 58 61 62
PWind dir        NE    SE      SE    SE      SE     S       S     S
Wind char        LT    LT      LT    GN      GN    GN      LT    LT
Avg clouds    SC SC SC SC   SC SC B1 B1   B1 B1 B1 B1   B1 B1 B1 B1
PoP 12hr          5    20      20    20      20    10      40    30
Rain shwrs           S          S  S          S     S    S  C  C  C
Tstms                S          S  S          S     S    S  C  C  C

$$
IAZ049-212200-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
352 AM CDT Mon Aug 21 2017

Date             Mon 08/21/17            Tue 08/22/17            Wed 08/23/17
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                      82          65          77          51          77
Temp          68 67 72 78 82 78 72 68 67 65 70 76 77 73 62 57 54 52 68 75 77 72
Dewpt         66 65 67 69 70 72 70 67 65 64 63 60 57 56 55 52 50 49 55 54 53 55
RH            93 93 84 74 67 82 93 97 93 97 78 58 50 55 78 83 86 89 63 48 43 55
Wind dir      SE SE  S  S SW SW SW NW  W NW  N  N  N  N NW NW NW NW NW NW NW  N
Wind spd       3  5  8 10 10  8  9  8  5  6 11 11 12  9  4  4  4  4  4  6  5  5
Clouds        OV OV B2 B2 B1 B1 B2 OV B2 B1 SC FW FW FW CL CL CL CL CL FW FW FW
PoP 12hr                     70          70           5           0           0
QPF 12hr                   0.36        0.66           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  L  C     C  C  L  L  C
Tstms          C  L  C     C  C  L  L  C


Date          Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
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          53    76      56    77      57    79      58    79
Temp          56 53 73 73   60 58 74 74   61 59 77 75   63 59 76 76
Dewpt         53 52 55 57   55 54 57 58   55 56 59 60   57 58 61 61
PWind dir        NE     E      SE    SE      SE     S       S     S
Wind char        LT    LT      LT    GN      LT    GN      LT    LT
Avg clouds    SC SC SC SC   SC B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 SC
PoP 12hr          0    10      10    20      20    10      20    20
Rain shwrs                         S          S             S  S  S
Tstms                              S          S             S  S  S

$$
IAZ086-212200-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
352 AM CDT Mon Aug 21 2017

Date             Mon 08/21/17            Tue 08/22/17            Wed 08/23/17
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          83          53          81
Temp          70 69 77 84 87 84 77 73 71 68 72 81 83 77 65 60 56 55 71 78 81 76
Dewpt         65 67 70 70 70 71 70 70 67 67 67 63 58 56 55 53 51 50 54 50 49 52
RH            84 93 79 63 57 65 79 90 87 97 84 54 43 48 70 78 83 83 55 37 33 43
Wind dir      SE  S  S  S SW SW SW SW  W  W NW  N  N  N  N NW NW NW  N  N  N  N
Wind spd       4  5  8 10 11  9  9  9  8  5 10 12 13 10  5  4  4  4  5  8  6  6
Clouds        B1 B2 B1 B1 B1 B1 B2 OV B2 B2 B1 SC FW FW CL CL CL CL CL FW FW FW
PoP 12hr                     60          80          20           0           0
QPF 12hr                   0.15        0.71           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  L  C     S  C  L  D  L  S  S
Tstms          S  L  C     S  C  L  D  L  S  S
Heat index                93 89
Max heat               90    94    86          82    83                      80


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

$$



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