Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
636 PM CDT Mon Aug 21 2017

IAZ060-221000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
636 PM CDT Mon Aug 21 2017

Date           08/21/17      Tue 08/22/17            Wed 08/23/17            Thu
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          80          55          81          59
Temp             78 71 70 69 67 71 76 79 75 67 61 58 56 71 78 81 78 68 63 60 60
Dewpt            71 71 70 67 66 64 60 56 53 54 53 51 50 54 51 50 53 53 53 52 53
RH               79100100 93 97 79 58 45 46 63 75 77 80 55 39 34 42 59 70 75 78
Wind dir         SW SW  W  W NW  N  N  N  N  N NW  W NW NW NW NW NE  E SE SE SE
Wind spd          9  8  5  5  8 12 13 13  9  5  4  3  3  4  5  5  4  3  3  3  3
Clouds           B1 B1 B2 B2 SC FW FW CL CL CL CL CL CL CL FW FW FW SC SC SC B1
PoP 12hr                     80           0           0           0           0
QPF 12hr                   0.70           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        D  D  L  C
Tstms             D  D  L  S


Date           08/24  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17  Mon 08/28/17
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      61    82      62    82      63    81      62    82
Temp          77 78   65 62 79 79   68 63 79 79   67 65 79 79   66 63 79 79
Dewpt         55 56   56 56 58 57   56 56 59 58   59 59 61 61   58 58 60 60
PWind dir        SE      SE    SE      SE     S       S     S      SE    NW
Wind char        LT      LT    GN      LT    GN      LT    LT      LT    LT
Avg clouds    B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   SC SC SC FW
PoP 12hr          0       5     5       0    10      40    20      10     0
Rain shwrs                                         S  C  S  S
Tstms                                              S        S

$$
IAZ039-221000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
636 PM CDT Mon Aug 21 2017

Date           08/21/17      Tue 08/22/17            Wed 08/23/17            Thu
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          76          51          77          55
Temp             72 69 67 68 66 69 74 75 71 62 56 54 53 69 76 77 74 63 58 57 56
Dewpt            70 69 67 66 64 63 59 57 55 54 51 49 49 55 53 53 55 55 54 53 53
RH               93100100 93 93 81 59 54 57 75 83 83 86 61 45 43 51 75 86 86 90
Wind dir         SW SW SW  W NW  N  N  N NW NW  W  W NW NW NW NW  N  E  E  E  E
Wind spd          6  3  5  5  9 13 14 13  9  5  4  3  3  5  8  6  4  3  2  3  3
Clouds           B2 B2 OV B2 SC FW FW FW CL CL CL CL CL CL FW FW FW SC SC B1 B1
PoP 12hr                     80           0           0           0           0
QPF 12hr                   0.63           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        D  L  C  S
Tstms             D  L  C  S


Date           08/24  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17  Mon 08/28/17
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      57    77      58    77      60    77      58    78
Temp          74 72   60 58 75 74   63 59 75 73   64 61 76 73   63 59 76 74
Dewpt         55 56   54 53 57 57   56 54 59 59   57 57 60 60   58 56 60 60
PWind dir        SE      SE    SE      SE    SE       S     S       S     W
Wind char        LT      LT    GN      LT    GN      LT    LT      LT    LT
Avg clouds    B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 SC SC SC
PoP 12hr          5      10     5       5    10      30    20      10     5
Rain shwrs                                            C  S  S
Tstms                                                       S

$$
IAZ048-221000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
636 PM CDT Mon Aug 21 2017

Date           08/21/17      Tue 08/22/17            Wed 08/23/17            Thu
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          77          51          79          57
Temp             76 69 67 68 66 69 74 76 72 62 57 54 52 70 77 79 76 65 60 58 58
Dewpt            72 69 67 66 63 63 59 57 55 54 52 50 49 55 53 52 55 56 55 53 54
RH               87100100 93 90 81 59 52 55 75 83 86 89 59 43 39 48 73 84 83 86
Wind dir         SW  W  W NW NW  N  N  N  N NW NW  W NW NW NW NW NE  E SE SE SE
Wind spd         10  8  5  6 10 13 14 13  8  4  3  3  3  4  5  4  3  3  3  3  3
Clouds           B1 B1 B2 B1 SC FW FW CL CL CL CL CL CL CL FW FW FW SC SC B1 B1
PoP 12hr                     70           0           0           0           0
QPF 12hr                   0.69           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        L  L  L  S
Tstms             L  L  L  S


Date           08/24  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17  Mon 08/28/17
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      59    79      59    80      61    79      58    79
Temp          75 75   63 60 76 76   65 60 78 77   66 62 76 76   63 59 76 76
Dewpt         57 57   56 55 59 58   57 56 59 60   59 59 61 61   58 57 61 61
PWind dir        SE      SE    SE      SE    SE       S    SE       S    NW
Wind char        LT      LT    GN      LT    GN      LT    LT      LT    LT
Avg clouds    B1 B1   B1 B1 B2 B2   B1 B1 B1 B1   B1 B1 B1 B1   SC SC SC SC
PoP 12hr          0       5     5       0    10      40    20      10     0
Rain shwrs                                         S  C  S  S
Tstms                                              S        S

$$
IAZ004-221000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
636 PM CDT Mon Aug 21 2017

Date           08/21/17      Tue 08/22/17            Wed 08/23/17            Thu
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          73          51          76          55
Temp             69 66 65 62 58 64 71 72 69 59 55 52 52 66 73 76 72 62 58 56 55
Dewpt            69 66 62 60 56 55 53 53 54 52 50 48 48 54 52 53 56 56 55 53 53
RH              100100 90 93 93 73 53 51 59 78 83 86 86 65 48 45 57 81 90 90 93
Wind dir         SW NW  N NW NW  N  N NW NW  W  W  W  W  W  W SW  E SE SE SE SE
Wind spd          6  4  8  9 11 13 16 11  6  4  4  4  4  4  6  5  3  4  5  5  4
Wind gust                 19
Clouds           B2 B2 SC FW FW FW CL CL CL CL CL CL FW FW FW FW SC B1 SC B1 B1
PoP 12hr                     70           0           0           0          10
QPF 12hr                   0.41           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        L  C
Tstms             L  C


Date           08/24  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17  Mon 08/28/17
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          73      58    75      59    74      59    74      56    76
Temp          70 71   61 59 73 72   63 60 72 71   62 60 72 72   61 57 73 73
Dewpt         56 58   56 54 59 60   56 57 60 62   60 58 60 60   58 57 60 60
PWind dir        SE      SE    SE      SE     S       S     S      SW    NW
Wind char        LT      GN    GN      GN    GN      LT    LT      LT    LT
Avg clouds    B1 B1   B1 B1 B2 B1   B1 B1 B1 B1   B1 B1 B1 B1   SC SC SC SC
PoP 12hr         10      10    10      10    40      30    20       5    10
Rain shwrs                                    C    C  C  S  S
Tstms                                         C    C        S

$$
IAZ035-221000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
636 PM CDT Mon Aug 21 2017

Date           08/21/17      Tue 08/22/17            Wed 08/23/17            Thu
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          75          52          78          56
Temp             72 67 66 66 62 66 72 74 71 62 57 54 53 69 75 78 74 64 60 58 57
Dewpt            70 67 65 63 59 59 56 55 54 52 50 48 48 55 53 53 55 56 54 53 53
RH               93100 97 90 90 78 57 51 55 70 77 80 83 61 46 42 51 75 81 83 86
Wind dir         SW SW  W NW NW  N  N  N  N NW  W  W  W  W  W  W  E SE SE SE SE
Wind spd          5  4  3  5  9 11 11 12  6  4  3  3  3  4  5  4  3  4  4  4  3
Wind gust           17          21
Clouds           B1 B2 B2 SC SC FW CL CL CL CL CL CL FW CL FW FW SC B1 SC B1 B1
PoP 12hr                     80           0           0           0           5
QPF 12hr                   0.58           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        D  D  C
Tstms             D  D  C


Date           08/24  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17  Mon 08/28/17
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      59    78      60    79      60    77      58    78
Temp          73 73   62 60 76 75   65 61 77 76   65 61 75 74   63 59 76 75
Dewpt         56 57   55 54 59 59   56 55 60 60   59 58 61 60   58 56 60 60
PWind dir        SE      SE    SE      SE     S       S     S       S    NW
Wind char        LT      LT    GN      GN    GN      LT    LT      LT    LT
Avg clouds    B1 B1   B1 B1 B2 B2   B1 B1 B1 B1   B1 B1 B1 B1   SC SC SC SC
PoP 12hr          5       5     5       0    30      30    20      10     5
Rain shwrs                                    C    S  C  S  S
Tstms                                         C    S        S

$$
IAZ094-221000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
636 PM CDT Mon Aug 21 2017

Date           08/21/17      Tue 08/22/17            Wed 08/23/17            Thu
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          81          54          81          58
Temp             78 73 70 70 68 73 78 80 75 64 60 56 55 72 78 81 78 67 63 60 59
Dewpt            72 72 70 66 66 64 61 57 54 53 52 50 50 53 50 48 51 52 52 51 52
RH               82 97100 87 93 73 56 45 48 67 75 80 83 51 37 32 39 59 67 72 78
Wind dir          S SW SW SW NW  N  N  N  N  N  N NW NW  N  N  N NE  E SE SE SE
Wind spd          9  9  6  5  8 13 13 14 10  6  4  4  4  3  4  4  4  3  3  3  3
Wind gust        19 20
Clouds           B2 B2 B2 B2 B1 SC FW FW CL CL CL CL CL CL CL CL CL FW SC SC SC
PoP 12hr                     80           5           0           0           0
QPF 12hr                   0.43           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  D  L  C
Tstms             C  D  L  S


Date           08/24  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17  Mon 08/28/17
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      60    82      61    81      61    81      60    82
Temp          78 78   65 61 79 79   66 62 78 79   67 62 78 78   66 61 79 78
Dewpt         55 55   56 55 58 56   56 56 59 59   60 59 62 60   59 58 59 59
PWind dir        SE      SE    SE      SE    SE      SE    SE       E    NE
Wind char        LT      LT    GN      LT    GN      LT    LT      LT    LT
Avg clouds    SC SC   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 SC   SC SC SC FW
PoP 12hr          0       5     0       0    10      40    10      10     0
Rain shwrs                                    S    C  C
Tstms                                         S    C

$$
IAZ017-221000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
636 PM CDT Mon Aug 21 2017

Date           08/21/17      Tue 08/22/17            Wed 08/23/17            Thu
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          74          50          76          53
Temp             68 67 66 65 62 65 71 73 69 59 55 52 52 69 75 76 73 62 58 56 53
Dewpt            68 67 66 64 61 61 56 55 54 53 51 49 49 55 53 53 55 55 54 52 52
RH              100100100 97 97 87 59 53 59 80 86 89 89 61 46 45 53 78 86 86 96
Wind dir         SW  W NW NW NW  N  N NW NW NW  W  W NW NW NW NW  N  E SE SE  E
Wind spd          8  5  5  8 11 16 17 13  9  5  5  5  4  5  8  5  3  3  3  4  3
Clouds           OV OV OV B1 SC FW FW CL CL CL CL CL CL FW FW FW SC SC B1 B1 B1
PoP 12hr                     80           0           0           0           5
QPF 12hr                   0.55           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        D  L  S
Tstms             D  L  S


Date           08/24  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17  Mon 08/28/17
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      56    75      57    75      59    75      57    77
Temp          72 71   59 57 72 72   62 58 73 72   63 60 73 72   61 59 75 73
Dewpt         56 57   54 54 58 58   56 55 59 60   58 57 60 60   58 57 59 60
PWind dir        SE      SE    SE      SE     S       S     S       S    NW
Wind char        LT      LT    GN      GN    GN      LT    LT      LT    LT
Avg clouds    B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 SC SC SC
PoP 12hr          5      10     5       5    20      30    20      10    10
Rain shwrs                                    S    C  C  S  S
Tstms                                         S    C        S

$$
IAZ049-221000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
636 PM CDT Mon Aug 21 2017

Date           08/21/17      Tue 08/22/17            Wed 08/23/17            Thu
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          76          51          78          55
Temp             73 68 66 67 66 69 74 75 71 61 56 53 52 69 76 78 74 63 59 57 56
Dewpt            71 68 66 66 64 63 59 58 56 54 51 49 48 55 52 52 55 55 54 53 53
RH               93100100 97 93 81 59 55 59 78 83 86 86 61 43 40 51 75 83 86 90
Wind dir          S SW SW  W NW  N  N  N NW NW NW  W NW NW NW NW  N  E SE SE SE
Wind spd          6  5  5  6  9 14 16 14  9  5  4  3  4  4  6  5  4  3  3  3  3
Clouds           B2 B2 OV B2 SC FW FW CL CL CL CL CL CL CL FW FW FW SC SC B1 B1
PoP 12hr                     80           0           0           0           0
QPF 12hr                   0.68           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        D  L  L  C
Tstms             D  L  L  S


Date           08/24  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17  Mon 08/28/17
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      57    77      57    78      59    77      58    78
Temp          74 73   61 58 74 74   62 59 76 73   63 60 75 73   63 59 76 74
Dewpt         55 56   55 54 57 58   55 55 58 59   57 57 60 60   57 56 59 60
PWind dir        SE      SE    SE      SE    SE      SE    SE      SE    NW
Wind char        LT      LT    GN      LT    GN      LT    LT      LT    LT
Avg clouds    B1 B1   B1 B1 B2 B2   B1 B1 B1 B1   B1 B1 B1 B1   SC SC SC SC
PoP 12hr          5       5     5       5    10      30    20      10     5
Rain shwrs                                         S  C  S  S
Tstms                                              S        S

$$
IAZ086-221000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
636 PM CDT Mon Aug 21 2017

Date           08/21/17      Tue 08/22/17            Wed 08/23/17            Thu
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          81          52          81          57
Temp             79 73 71 68 69 73 79 80 75 64 59 55 54 72 78 81 77 65 60 58 58
Dewpt            71 71 70 68 67 67 63 59 55 55 53 50 49 53 49 49 52 52 52 52 52
RH               77 93 97100 93 81 58 49 50 73 80 83 83 51 36 33 42 63 75 80 80
Wind dir         SW SW SW  W NW  N  N  N  N  N NW NW NW NW  N  N  N  E  E  E  E
Wind spd         10  8  6  5  8 12 14 14 10  6  4  4  4  5  6  6  5  4  3  3  3
Clouds           B2 OV OV OV B2 B1 SC FW CL CL CL CL CL CL CL CL FW FW SC SC SC
PoP 12hr                     80          10           0           0           0
QPF 12hr                   0.62           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  D  L  L
Tstms             C  D  L  S


Date           08/24  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17  Mon 08/28/17
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      59    81      59    82      60    81      59    82
Temp          79 78   63 60 79 78   66 60 79 79   66 61 79 78   65 61 80 78
Dewpt         53 54   55 54 55 55   55 54 56 56   56 56 59 58   57 57 58 58
PWind dir        SE       E    SE      SE    SE      SE    SE      SE    NW
Wind char        LT      LT    GN      LT    GN      LT    LT      LT    LT
Avg clouds    SC SC   SC B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   SC SC SC SC
PoP 12hr          0       5     0       0     5      20    20      10     5
Rain shwrs                                         S  S  S
Tstms                                              S

$$



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