Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
621 PM CDT Fri Sep 22 2017

IAZ060-231000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
621 PM CDT Fri Sep 22 2017

Date           09/22/17      Sat 09/23/17            Sun 09/24/17            Mon
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          92          68          88          67
Temp             86 79 76 73 72 81 89 92 85 77 73 70 69 79 87 88 83 74 72 69 68
Dewpt            69 69 68 67 66 69 68 67 67 66 65 64 64 66 66 64 64 64 64 63 64
RH               57 72 76 81 81 67 50 44 55 69 76 81 84 64 50 45 53 71 76 81 87
Wind dir          S  S  S  S  S  S  S  S  S SE  S SE SE  S  S  S  S SE  S  S  S
Wind spd         10  8  8  5  5  8 10 11  8  5  5  4  5  8  9 10  6  5  5  5  5
Clouds           FW FW CL FW FW FW FW SC FW FW FW FW FW SC SC SC SC FW SC SC B1
PoP 12hr                      0           0           0           5          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    C
Tstms                                                                         C


Date           09/25  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17  Fri 09/29/17
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          83      61    72      52    70      52    73      51    70
Temp          82 77   66 61 71 70   60 53 69 66   57 54 71 68   58 52 68 66
Dewpt         67 66   64 60 61 56   53 50 51 49   49 48 50 48   48 48 49 48
PWind dir         S       W    NW      NW    NW      NW    NW       N     N
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B2   B2 OV B2 B2   B1 SC SC SC   SC SC FW SC   SC SC SC SC
PoP 12hr         50      60    30      10     5       5     5      10    10
Rain shwrs     C  C    L  L  C
Tstms          C  C    L  S  S

$$
IAZ039-231000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
621 PM CDT Fri Sep 22 2017

Date           09/22/17      Sat 09/23/17            Sun 09/24/17            Mon
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          90          66          88          64
Temp             86 79 75 71 70 80 88 89 82 74 70 68 67 78 86 87 81 73 68 66 65
Dewpt            68 68 67 65 65 68 67 65 65 65 64 63 63 65 64 63 63 63 63 62 62
RH               55 69 76 81 84 67 50 45 56 74 81 84 87 64 48 45 54 71 84 87 90
Wind dir          S  S  S  S  S  S  S  S  S SE SE SE SE  S  S  S  S SE SE  S  S
Wind spd         10  8  6  5  5  8 10 10  8  5  5  4  5  8  9  9  6  5  5  5  4
Clouds           CL CL FW CL FW FW FW SC FW FW FW FW SC FW SC SC SC FW FW SC B1
PoP 12hr                      0           0           0           5          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    C
Tstms                                                                         C


Date           09/25  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17  Fri 09/29/17
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          84      61    72      50    68      49    70      48    68
Temp          82 76   65 61 71 67   58 51 67 63   55 50 69 64   54 49 66 62
Dewpt         65 65   63 61 60 56   53 48 49 49   48 47 49 48   48 45 46 46
PWind dir         S       W     W      NW    NW      NW    NW       N     N
Wind char        LT      LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    B1 B1   B2 B2 B2 B2   B1 SC SC SC   SC SC SC FW   SC SC SC SC
PoP 12hr         40      70    40      10     5       5     5       5    10
Rain shwrs     C  C    C  L  C  S
Tstms          C  C    C  S  S

$$
IAZ048-231000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
621 PM CDT Fri Sep 22 2017

Date           09/22/17      Sat 09/23/17            Sun 09/24/17            Mon
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          89          66          88          65
Temp             85 78 73 70 69 79 87 89 83 75 71 68 67 79 86 88 82 73 69 67 66
Dewpt            69 68 68 67 66 69 68 66 67 67 65 64 64 67 65 64 65 64 64 63 63
RH               59 71 84 90 90 72 53 47 59 76 81 87 90 67 50 45 56 73 84 87 90
Wind dir          S  S  S  S  S  S  S  S  S SE  S SE SE  S  S  S  S  S SE  S  S
Wind spd         10  8  6  5  5  9 11 11  8  6  5  4  5  9  9 10  6  6  4  4  4
Clouds           CL FW CL FW FW FW SC SC FW FW FW FW SC SC SC SC SC FW SC SC B1
PoP 12hr                      0           0           0           5          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    C
Tstms                                                                         C


Date           09/25  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17  Fri 09/29/17
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          83      60    71      50    69      49    72      49    69
Temp          81 76   65 60 70 68   57 51 68 64   55 50 71 66   56 50 67 64
Dewpt         67 66   63 60 60 56   52 49 50 50   49 47 50 49   49 47 49 48
PWind dir         S       W    NW      NW    NW      NW    NW       N     N
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B2   B2 OV B2 B2   B1 SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         50      60    30      10     5       5     5      20    10
Rain shwrs     C  C    L  L  C                                      S
Tstms          C  C    L  S  S

$$
IAZ004-231000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
621 PM CDT Fri Sep 22 2017

Date           09/22/17      Sat 09/23/17            Sun 09/24/17            Mon
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          67          84          63
Temp             85 78 74 72 69 77 84 85 80 74 72 69 67 75 82 84 78 70 66 65 63
Dewpt            69 68 68 68 67 69 69 68 68 66 65 65 64 66 65 64 64 62 63 64 63
RH               59 71 82 87 93 76 61 57 67 76 79 87 90 74 56 51 62 76 90 97100
Wind dir          S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd         13 14 12  9  8 11 11 12  8  8 10  9  9 12 13 13  8  6  6  5  5
Wind gust              23             25                   24
Clouds           FW SC SC SC SC SC SC B1 B1 B1 SC SC SC SC SC B1 B1 B1 B2 OV OV
PoP 12hr                      0          10          10          10          50
QPF 12hr                      0           0           0           0        0.27
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                        C  C  C  C  L
Tstms                                                             C  C  C  C  L


Date           09/25  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17  Fri 09/29/17
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          72      52    64      46    67      47    67      46    65
Temp          72 64   58 52 62 62   52 47 65 64   54 48 66 62   51 47 63 60
Dewpt         64 61   56 52 53 51   47 44 47 48   48 45 49 49   48 45 47 47
PWind dir         W      NW    NW      NW    NW       W    NW      NW     N
Wind char        LT      LT    GN      LT    GN      LT    LT      LT    LT
Avg clouds    OV OV   OV OV B2 B2   B1 SC SC SC   SC FW FW SC   SC SC SC SC
PoP 12hr         80      50    30       5     5       5     5      20     5
Rain shwrs     L  D    C  C  C                                   S
Tstms          L  D    C  S  S

$$
IAZ035-231000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
621 PM CDT Fri Sep 22 2017

Date           09/22/17      Sat 09/23/17            Sun 09/24/17            Mon
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          89          68          87          66
Temp             85 78 75 73 71 77 87 89 82 76 72 70 69 77 85 87 81 75 70 68 66
Dewpt            69 68 67 67 67 69 69 67 66 65 65 65 64 66 65 64 64 63 63 63 63
RH               59 71 76 81 87 76 55 48 58 69 79 84 84 69 51 46 56 66 78 84 90
Wind dir          S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd         13 11 10  8  8 11 12 13 10 10  9  6  8 11 12 11  8  9  6  6  6
Clouds           CL FW FW FW SC FW SC SC SC FW FW FW SC FW SC B1 SC SC SC B1 B2
PoP 12hr                      0           5           5           5          30
QPF 12hr                      0           0           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              C  C  C
Tstms                                                                   C  C  C


Date           09/25  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17  Fri 09/29/17
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      56    68      48    69      48    70      47    68
Temp          77 70   62 56 67 65   55 49 68 63   54 49 69 64   54 48 66 63
Dewpt         66 64   60 56 56 54   50 46 48 49   49 46 49 48   49 45 48 47
PWind dir        SW      NW    NW      NW    NW       W    NW      NW     N
Wind char        LT      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2   OV OV B2 B2   B1 SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         70      50    30      10     5       5     5      10    10
Rain shwrs     C  L    C  C  C
Tstms          C  L    C  S  S

$$
IAZ094-231000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
621 PM CDT Fri Sep 22 2017

Date           09/22/17      Sat 09/23/17            Sun 09/24/17            Mon
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          88          67          86          65
Temp             83 76 74 71 69 78 86 87 81 73 71 68 68 77 85 86 80 72 70 67 66
Dewpt            69 69 68 67 66 68 68 67 67 66 65 64 64 66 65 64 64 64 65 64 64
RH               63 79 82 87 90 71 55 52 63 79 81 87 87 69 51 48 58 76 84 90 93
Wind dir          S  S  S  S  S  S  S  S  S SE  S SE SE  S  S  S SE  S  S  S  S
Wind spd          9  6  6  5  5  8 10 10  6  5  5  4  5  8  9  9  5  5  5  5  5
Clouds           CL CL FW FW FW FW FW FW FW CL FW FW FW SC SC SC FW FW SC SC SC
PoP 12hr                      0           5           0           5          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    C
Tstms                                                                         C


Date           09/25  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17  Fri 09/29/17
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          82      60    72      52    71      51    73      50    71
Temp          81 75   67 60 71 69   60 53 69 67   57 52 72 67   56 51 69 65
Dewpt         67 66   64 60 61 57   54 51 52 51   50 49 51 49   49 48 50 49
PWind dir         S      SW    NW      NW     N      NW    NW      NW     N
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC B2   B2 B2 B2 B2   B1 SC SC SC   SC SC FW FW   SC SC SC SC
PoP 12hr         50      60    40      10     5       5     5      10    20
Rain shwrs     C  C    C  L  C                                         S
Tstms          C  C    C  S  S

$$
IAZ017-231000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
621 PM CDT Fri Sep 22 2017

Date           09/22/17      Sat 09/23/17            Sun 09/24/17            Mon
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          89          65          86          64
Temp             83 76 73 70 69 78 86 89 82 74 71 68 65 76 84 86 78 72 69 66 64
Dewpt            69 68 67 66 66 69 68 66 66 65 64 64 63 66 65 64 63 63 63 62 63
RH               63 76 81 87 90 74 55 47 58 74 79 87 93 71 53 48 60 73 81 87 97
Wind dir          S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd         13 12 10  9  8 10 12 13  9  9  8  6  6 10 12 11  8  8  6  6  6
Clouds           CL FW FW FW FW FW SC SC SC SC FW FW SC SC SC B1 SC SC SC SC B2
PoP 12hr                      0           5           5           5          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              S  S  C
Tstms                                                                   S  S  C


Date           09/25  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17  Fri 09/29/17
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      57    67      47    67      48    68      46    66
Temp          78 71   61 57 66 64   55 48 65 62   55 49 67 63   52 47 64 61
Dewpt         66 65   60 57 56 54   50 46 48 47   47 46 49 48   48 45 47 47
PWind dir         S      NW    NW      NW    NW       W    NW      NW     N
Wind char        GN      LT    GN      GN    GN      LT    LT      LT    LT
Avg clouds    B2 B2   OV OV OV B2   B1 SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         60      60    30      10     5       5     5      10    10
Rain shwrs     C  L    C  L  C  S
Tstms          C  L    C  S  S

$$
IAZ049-231000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
621 PM CDT Fri Sep 22 2017

Date           09/22/17      Sat 09/23/17            Sun 09/24/17            Mon
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          90          66          87          64
Temp             83 76 73 70 70 80 88 89 83 74 70 67 67 79 85 87 80 72 69 66 65
Dewpt            69 68 67 66 66 68 67 67 66 65 64 63 63 66 64 64 64 63 63 62 63
RH               63 76 81 87 87 67 50 48 57 74 81 87 87 64 50 46 58 73 81 87 93
Wind dir          S  S  S  S  S  S  S  S  S SE SE SE SE  S  S  S  S SE  S  S  S
Wind spd         10  8  6  5  5  9 10 11  6  5  5  4  5  9  9 10  6  5  5  5  4
Clouds           CL FW FW CL FW FW FW SC FW FW FW FW FW FW SC SC SC FW SC SC B1
PoP 12hr                      0           0           0           5          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    C
Tstms                                                                         C


Date           09/25  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17  Fri 09/29/17
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          83      60    71      50    68      49    70      47    68
Temp          82 75   65 60 70 67   57 51 67 63   55 50 69 65   54 48 66 63
Dewpt         66 66   63 60 60 57   52 48 50 49   48 47 50 49   48 46 47 47
PWind dir         S       W    NW      NW    NW      NW    NW       N     N
Wind char        LT      LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    B1 B1   B2 B2 B2 B2   B1 SC SC SC   SC SC SC FW   SC SC SC SC
PoP 12hr         40      60    30      10     5       5     5      10    10
Rain shwrs     C  C    C  L  C
Tstms          C  C    C  S  S

$$
IAZ086-231000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
621 PM CDT Fri Sep 22 2017

Date           09/22/17      Sat 09/23/17            Sun 09/24/17            Mon
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          90          67          87          65
Temp             83 77 74 71 69 80 88 89 83 74 71 69 68 78 85 86 80 74 71 68 65
Dewpt            70 69 67 65 65 69 68 67 67 66 65 64 64 67 66 64 65 63 63 63 63
RH               65 76 79 81 87 69 52 48 59 76 81 84 87 69 53 48 60 69 76 84 93
Wind dir          S  S  S  S  S  S  S  S  S SE SE SE SE  S  S  S SE SE  S  S  S
Wind spd          6  6  5  5  5  6  8  9  5  5  5  4  4  6  8  8  5  5  5  4  5
Clouds           CL CL CL FW FW FW SC FW FW FW FW FW SC SC SC SC SC SC SC SC SC
PoP 12hr                      0           0           0          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    C
Tstms                                                                         C


Date           09/25  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17  Fri 09/29/17
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      63    75      53    70      51    73      50    70
Temp          83 77   68 63 75 70   60 54 69 66   56 53 72 66   56 51 68 64
Dewpt         66 66   64 62 63 58   54 51 51 50   48 48 50 49   47 47 47 46
PWind dir         S      SW     W      NW    NW      NW    NW       N     N
Wind char        LT      LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    SC B1   B1 B2 B2 B2   B1 B1 SC SC   SC SC SC FW   SC SC SC SC
PoP 12hr         40      50    40      10     5       5     5       5    10
Rain shwrs     C  C    C  C  C  S
Tstms          C  C    C  S  S  S

$$



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