Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
1136 PM CDT Wed Oct 18 2017

IAZ060-191000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
1136 PM CDT Wed Oct 18 2017

Date           10/18/17      Thu 10/19/17            Fri 10/20/17            Sat
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                      47          75          54          75          60
Temp                   55 50 47 57 70 75 68 61 58 56 54 63 72 75 68 64 64 61 60
Dewpt                  47 44 41 42 45 48 52 52 52 50 49 52 54 53 52 53 53 54 56
RH                     74 80 79 57 41 38 57 72 80 80 83 67 53 46 57 67 67 78 87
Wind dir               NW  N  E SE SE SE SE  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                3  2  2  5  8  8  6  6  6  6  6 10 13 16 13 12 12 13 13
Wind gust                                                  25 26 24 23 24 25 25
Clouds                 CL FW FW FW CL CL CL CL FW FW FW FW FW SC B1 B1 B2 B2 B2
PoP 12hr                      0           0           0           0          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           10/21  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
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          71      49    64      48    66      45    57      40    56
Temp          71 65   56 49 63 59   52 49 65 61   52 45 56 53   45 41 55 52
Dewpt         59 57   48 42 41 39   40 40 44 41   40 36 35 33   35 33 35 36
PWind dir         S       W     W      SW     W      NW    NW      NW    NW
Wind char        BZ      GN    LT      LT    GN      GN    BZ      GN    GN
Avg clouds    B2 OV   B2 B1 SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         80      80    10      10    10      20    10      10    10
Rain shwrs     C  D    D  S                        S
Tstms          C  D    D

$$
IAZ039-191000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
1136 PM CDT Wed Oct 18 2017

Date           10/18/17      Thu 10/19/17            Fri 10/20/17            Sat
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                      42          72          51          75          57
Temp                   51 45 42 53 67 72 64 56 54 52 52 61 72 75 66 61 60 58 57
Dewpt                  44 40 38 40 36 38 43 47 50 49 48 51 52 50 50 49 50 51 52
RH                     77 82 86 61 32 29 46 72 86 89 86 70 49 41 56 65 69 77 83
Wind dir               NW NW  E SE SE  S SE SE  S  S  S  S  S  S  S  S  S  S  S
Wind spd                3  2  2  3  8  9  6  6  6  6  6  9 13 14 13 13 12 13 13
Wind gust                                                  25 27 24    24 25 24
Clouds                 FW FW FW FW CL CL CL CL CL FW FW FW FW FW SC SC B2 B2 B2
PoP 12hr                      0           0           0           0          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              C  C  C
Tstms                                                                   C  C  C


Date           10/21  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
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          70      49    64      46    64      43    54      38    53
Temp          69 66   56 49 64 56   51 47 63 57   50 43 54 49   44 39 52 49
Dewpt         57 58   50 45 42 40   41 41 44 42   41 38 37 35   35 34 35 37
PWind dir         S       W     W      SW     W      NW    NW      NW    NW
Wind char        BZ      GN    GN      LT    GN      GN    BZ      GN    GN
Avg clouds    B2 OV   B2 B1 SC SC   SC SC SC SC   B1 SC SC SC   SC SC SC SC
PoP 12hr         70      80    10      10    30      30    20      20    20
Rain shwrs     C  L    D  C                C  C    C  C  S  S    S  S  S
Tstms          C  L    D

$$
IAZ048-191000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
1136 PM CDT Wed Oct 18 2017

Date           10/18/17      Thu 10/19/17            Fri 10/20/17            Sat
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                      44          74          52          75          59
Temp                   53 47 44 55 69 74 65 58 56 54 53 61 72 75 67 62 62 60 60
Dewpt                  45 40 39 41 42 46 50 52 51 50 50 52 54 53 53 53 53 54 56
RH                     74 76 82 59 37 37 58 80 83 86 89 72 53 46 61 72 72 81 87
Wind dir                N  N  E SE SE SE SE  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                3  2  2  4  8  9  6  6  6  6  6 10 14 16 13 13 12 13 12
Wind gust                                                  26 28 25 24 24 25 26
Clouds                 CL CL FW CL CL CL CL CL FW FW FW FW FW FW B1 B1 B2 B2 B2
PoP 12hr                      0           0           0           0          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              C  C  C
Tstms                                                                   C  C  C


Date           10/21  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
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          71      46    64      46    66      44    56      38    56
Temp          71 65   54 46 63 58   51 47 65 59   50 44 56 51   44 39 55 52
Dewpt         59 56   47 42 40 39   40 40 44 41   39 37 35 34   34 34 35 36
PWind dir         S       W     W      SW     W      NW    NW      NW    NW
Wind char        GN      GN    GN      LT    GN      GN    BZ      GN    GN
Avg clouds    OV OV   B2 B1 SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         80      80    10      10    10      20    10      10    10
Rain shwrs     C  D    D  S                        S
Tstms          C  D    D

$$
IAZ004-191000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
1136 PM CDT Wed Oct 18 2017

Date           10/18/17      Thu 10/19/17            Fri 10/20/17            Sat
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                      38          72          52          74          59
Temp                   44 42 38 51 66 72 62 55 53 52 52 58 70 74 66 64 62 60 59
Dewpt                  33 32 32 37 37 39 45 48 50 49 49 51 52 51 54 54 56 56 57
RH                     65 67 79 59 34 30 54 77 89 89 89 77 53 44 65 70 81 87 93
Wind dir                W  W  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                3  3  3  8 13 13  9 10 10 10 10 14 20 20 17 17 18 16 14
Wind gust                                               28 32 34 29 33 32 28 25
Clouds                 FW CL FW CL CL CL CL CL FW FW FW FW SC SC B1 B2 B2 B2 B2
PoP 12hr                      0           0           0           0          40
QPF 12hr                      0           0           0           0        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              C  C  C
Tstms                                                                   C  C  C


Date           10/21  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
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          68      41    62      44    63      40    54      35    54
Temp          68 59   49 41 60 57   50 45 62 55   46 40 53 48   41 36 53 49
Dewpt         55 47   39 35 35 36   37 38 40 39   36 34 32 32   31 31 31 34
PWind dir        SW      NW     W      SW     W      NW    NW      NW    NW
Wind char        GN      GN    GN      GN    GN      GN    BZ      GN    GN
Avg clouds    B2 B2   B1 SC SC SC   SC SC SC SC   B1 SC SC SC   SC SC SC FW
PoP 12hr         60      40     5      10    10      20    10      10    10
Rain shwrs     C  L    C  S                        S
Tstms          C  L

$$
IAZ035-191000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
1136 PM CDT Wed Oct 18 2017

Date           10/18/17      Thu 10/19/17            Fri 10/20/17            Sat
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                      42          73          53          76          60
Temp                   49 46 42 54 68 73 66 59 57 54 53 60 72 76 68 63 62 61 60
Dewpt                  40 37 36 39 39 44 48 51 51 50 50 51 53 53 54 54 54 56 56
RH                     71 71 79 57 34 35 52 75 80 86 89 72 51 45 61 72 75 84 87
Wind dir                N  N SE SE  S  S SE  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                3  2  3  6 10 11  8  9  9  9 10 12 17 19 16 16 17 16 16
Wind gust                                               24 29 31 27 28 28 28 27
Clouds                 CL CL CL CL CL CL CL CL FW FW FW FW FW FW B1 B2 B2 B2 B2
PoP 12hr                      0           0           0           0          30
QPF 12hr                      0           0           0           0        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              C  C  C
Tstms                                                                   C  C  C


Date           10/21  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
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          69      44    63      46    65      43    56      37    55
Temp          69 60   52 44 62 58   51 47 64 59   50 43 55 50   43 38 54 50
Dewpt         58 51   43 38 38 37   38 39 42 40   37 34 35 33   33 33 34 35
PWind dir        SW      NW     W      SW     W      NW    NW      NW    NW
Wind char        GN      GN    GN      LT    GN      GN    BZ      GN    GN
Avg clouds    OV OV   B2 SC SC SC   SC SC SC SC   B1 SC SC SC   SC SC SC SC
PoP 12hr         70      50    10      10    10      20    10      10    10
Rain shwrs     C  L    C  S                        S
Tstms          C  L

$$
IAZ094-191000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
1136 PM CDT Wed Oct 18 2017

Date           10/18/17      Thu 10/19/17            Fri 10/20/17            Sat
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                      49          76          53          75          59
Temp                   54 51 49 57 71 76 67 61 58 55 53 61 71 75 66 63 62 60 59
Dewpt                  48 47 45 48 51 52 52 52 51 50 49 51 53 53 53 52 52 54 55
RH                     80 86 86 72 49 43 59 72 77 83 86 70 53 46 63 67 70 81 87
Wind dir               SW  N NE  E SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                3  3  3  5  8  9  6  8  8  8  8 11 13 16 12 14 13 14 13
Wind gust                                                  24 26 24 25 26 25 25
Clouds                 CL CL FW FW CL CL CL CL FW FW FW FW FW SC B1 B1 B2 B2 B2
PoP 12hr                      0           0           0           0          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              C  C  C
Tstms                                                                   C  C  C


Date           10/21  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
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          71      48    64      47    66      44    58      39    57
Temp          70 65   56 48 63 57   51 48 65 59   50 44 57 53   45 40 56 51
Dewpt         59 58   49 43 41 41   41 40 45 42   40 36 36 34   33 33 36 37
PWind dir         S       W    NW      SW     W      NW    NW      NW    NW
Wind char        BZ      GN    GN      LT    GN      GN    BZ      GN    GN
Avg clouds    B2 OV   B2 B1 SC SC   SC SC SC SC   SC SC SC SC   SC FW SC SC
PoP 12hr         80      80    10       5    10      30     5      10    10
Rain shwrs     C  D    D  C                        C  S
Tstms          C  D    D

$$
IAZ017-191000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
1136 PM CDT Wed Oct 18 2017

Date           10/18/17      Thu 10/19/17            Fri 10/20/17            Sat
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                      42          71          51          74          59
Temp                   47 45 42 54 66 71 61 55 54 52 52 60 70 74 66 62 61 60 59
Dewpt                  37 35 34 38 37 39 42 46 49 49 49 51 52 50 51 51 52 53 54
RH                     68 68 73 54 34 31 49 72 83 89 89 72 53 43 58 67 72 78 83
Wind dir               NW NW  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                4  3  2  5 10 10  8  9  9  9  9 12 16 18 16 16 16 17 14
Wind gust                                                  27 29 27 26 27 27 25
Clouds                 FW CL CL CL CL CL CL CL CL FW FW FW FW FW SC B1 B2 B2 B2
PoP 12hr                      0           0           0           0          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              C  C  C
Tstms                                                                   C  C  C


Date           10/21  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
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          68      44    61      44    63      41    53      36    53
Temp          68 61   51 44 60 54   49 45 63 54   47 41 53 48   43 36 52 48
Dewpt         56 53   46 40 38 38   39 39 42 40   39 36 36 34   34 33 35 35
PWind dir         S       W     W      SW     W      NW    NW      NW    NW
Wind char        BZ      GN    GN      GN    GN      GN    BZ      GN    GN
Avg clouds    B2 OV   B2 B1 SC SC   SC SC SC B1   B1 SC SC SC   SC SC SC SC
PoP 12hr         80      60    10      10    20      30    20      10    20
Rain shwrs     C  D    L  C                S  S    C  C  S  S          S
Tstms          C  D

$$
IAZ049-191000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
1136 PM CDT Wed Oct 18 2017

Date           10/18/17      Thu 10/19/17            Fri 10/20/17            Sat
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                      43          72          51          74          57
Temp                   52 47 43 56 68 72 64 57 55 53 52 60 71 74 65 61 60 58 58
Dewpt                  44 40 38 39 37 41 47 50 51 50 49 51 52 50 51 50 51 52 53
RH                     74 76 82 53 32 33 54 77 86 89 89 72 51 43 60 67 72 80 83
Wind dir               NW  N  E SE SE SE SE SE  S  S  S  S  S  S  S  S  S  S  S
Wind spd                3  3  3  5  9  9  6  6  8  6  6 10 14 17 13 13 13 14 13
Wind gust                                                  25 28 24 24       24
Clouds                 CL CL FW CL CL CL CL CL CL FW FW FW FW FW B1 B1 B2 B2 B2
PoP 12hr                      0           0           0           0          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           10/21  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
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          70      48    64      45    64      43    55      38    54
Temp          69 65   56 48 63 56   50 46 63 58   50 43 55 50   43 39 53 49
Dewpt         58 57   49 43 41 40   41 40 44 42   40 37 36 34   34 34 35 35
PWind dir         S       W     W      SW     W      NW    NW      NW    NW
Wind char        BZ      GN    GN      LT    GN      GN    BZ      GN    GN
Avg clouds    B2 OV   B2 B1 SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         70      80    10      10    20      20    10      20    10
Rain shwrs     C  L    D  C                S  S    S  S          S
Tstms          C  L    D

$$
IAZ086-191000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
1136 PM CDT Wed Oct 18 2017

Date           10/18/17      Thu 10/19/17            Fri 10/20/17            Sat
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                      47          75          53          75          58
Temp                   54 50 47 58 70 75 66 59 57 55 53 62 72 74 66 63 62 59 59
Dewpt                  48 47 44 46 47 49 52 51 51 50 48 52 52 51 50 48 49 51 52
RH                     80 89 89 64 44 40 61 75 80 83 83 70 49 44 56 58 62 75 78
Wind dir               SW NW NE  E SE SE SE  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                5  3  4  5  6  8  5  6  6  6  6  9 12 12 11 12 12 13 13
Wind gust                                                     24
Clouds                 CL FW FW CL CL CL CL CL FW FW FW FW FW SC B1 B1 B2 B2 B2
PoP 12hr                      0           0           0           0          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           10/21  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
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      51    64      47    66      45    57      39    55
Temp          71 67   59 51 64 58   53 48 65 59   52 45 56 51   43 40 54 51
Dewpt         58 59   53 46 44 42   42 41 47 43   41 38 37 35   34 34 37 37
PWind dir         S       W     W      SW     W      NW    NW      NW    NW
Wind char        GN      GN    GN      LT    GN      GN    BZ      GN    GN
Avg clouds    B2 OV   OV B2 SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         50      80    10      10    10      30    20      10    10
Rain shwrs     C  C    D  L                        C  C  S  S
Tstms          C  C    D  S

$$



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