Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
621 AM CDT Wed Oct 18 2017

IAZ060-182200-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
621 AM CDT Wed Oct 18 2017

Date             Wed 10/18/17            Thu 10/19/17            Fri 10/20/17
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                      75          47          76          55          78
Temp             52 60 70 74 66 59 54 49 47 56 71 76 68 61 59 56 56 65 74 78 71
Dewpt            47 48 48 48 48 48 47 44 42 42 43 45 48 49 50 49 50 52 54 54 53
RH               83 64 45 40 52 67 77 83 83 59 36 33 49 65 72 77 80 63 50 43 53
Wind dir          S  S SW SW SW SW NW  N NE SE SE SE SE SE  S  S  S  S  S  S  S
Wind spd          6 10 12 12  5  4  4  3  2  3  6  8  6  6  8  6  6 11 14 17 14
Wind gust              24                                              26 27
Clouds           CL CL FW CL CL CL CL CL FW CL CL CL CL CL FW FW SC FW SC SC B1
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date          Sat 10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17
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          61    70      48    65      46    65      45    58
Temp          64 61 70 62   53 49 64 58   51 47 64 59   51 45 57 53
Dewpt         53 56 59 53   47 41 43 40   39 38 42 38   36 34 33 32
PWind dir         S    SW      NW     W      SW     W      NW    NW
Wind char        GN    GN      LT    LT      LT    GN      GN    GN
Avg clouds    B2 B2 B2 OV   B1 SC SC FW   FW FW SC SC   SC FW FW SC
PoP 12hr         30    60      60     0       0     5       5     0
Rain shwrs        C  C  L    L  S
Tstms             C  C  L    C

$$
IAZ039-182200-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
621 AM CDT Wed Oct 18 2017

Date             Wed 10/18/17            Thu 10/19/17            Fri 10/20/17
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                      76          43          72          51          77
Temp             49 58 70 73 64 58 54 47 43 55 68 72 64 55 54 52 52 63 74 76 69
Dewpt            46 48 49 48 48 48 47 43 40 40 37 37 41 42 46 46 48 50 52 50 51
RH               89 69 47 41 56 69 77 86 89 57 32 28 43 61 74 80 86 62 46 40 53
Wind dir          S  S  S SW SW  W NW NW NW  S  S  S SE SE  S  S  S  S  S  S  S
Wind spd          6 10 13 13  6  5  3  3  2  2  5  8  6  6  6  6  6 11 14 16 14
Wind gust              26 24                                           26 28
Clouds           CL CL CL FW CL FW CL FW FW CL FW CL CL CL FW FW SC FW SC FW B1
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date          Sat 10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17
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          58    69      47    63      46    63      43    55
Temp          63 58 69 64   53 48 62 57   51 47 63 55   50 43 55 48
Dewpt         50 53 57 55   48 43 43 41   39 38 42 39   37 37 36 34
PWind dir         S    SW       W     W      SW     W      NW    NW
Wind char        GN    GN      LT    GN      GN    GN      GN    GN
Avg clouds    B1 B2 B2 OV   B2 B1 SC FW   FW SC SC SC   SC SC FW SC
PoP 12hr         30    60      70    10       5    10      10     5
Rain shwrs        C  C  L    L  C
Tstms                C  C    C

$$
IAZ048-182200-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
621 AM CDT Wed Oct 18 2017

Date             Wed 10/18/17            Thu 10/19/17            Fri 10/20/17
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                      75          41          74          53          77
Temp             50 59 70 73 64 57 52 47 41 53 69 74 65 58 57 54 54 64 74 77 70
Dewpt            46 48 48 48 48 48 46 42 40 41 41 42 46 48 49 48 49 52 54 54 53
RH               86 67 45 41 56 72 80 83 96 64 36 32 50 69 75 80 83 65 50 45 55
Wind dir          S  S  S SW SW  W NW  N NE SE SE  S SE SE  S  S  S  S  S  S  S
Wind spd          5 10 13 12  5  5  3  3  2  3  8  8  6  6  6  6  6 11 16 17 14
Wind gust              25 23                                           27 29
Clouds           CL CL SC CL CL CL CL CL FW CL CL CL CL CL FW FW SC FW FW SC B1
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date          Sat 10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17
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          59    70      46    65      46    65      44    57
Temp          63 60 70 61   51 47 64 59   53 47 64 59   51 44 56 51
Dewpt         53 56 58 52   45 40 42 40   38 38 42 38   35 34 33 33
PWind dir         S    SW      NW     W      SW     W      NW    NW
Wind char        GN    GN      LT    GN      LT    GN      GN    GN
Avg clouds    B2 B2 B2 B2   B1 SC SC FW   FW SC SC SC   SC FW FW SC
PoP 12hr         40    60      60     0       5    10       5     0
Rain shwrs        C  C  L    L
Tstms             C  C  L    S

$$
IAZ004-182200-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
621 AM CDT Wed Oct 18 2017

Date             Wed 10/18/17            Thu 10/19/17            Fri 10/20/17
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                      73          38          72          53          77
Temp             47 57 69 71 60 51 46 44 38 51 67 72 63 56 55 54 54 62 72 77 69
Dewpt            45 45 43 37 38 36 36 34 33 36 37 38 42 44 48 47 49 50 53 54 55
RH               93 64 39 29 44 56 68 68 82 56 33 29 46 64 77 77 83 65 51 45 61
Wind dir          S SW  W NW NW  W  W  W SW  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd         10 13 13 12  5  4  4  4  4  5 12 13 10 10 11 10 11 16 20 21 19
Wind gust                                                           28 32 33 29
Clouds           CL FW CL CL CL CL FW FW FW CL CL CL CL CL FW FW SC FW SC SC B1
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date          Sat 10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17
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          58    65      42    63      45    62      40    54
Temp          63 58 65 59   49 43 62 58   51 46 62 54   47 40 53 48
Dewpt         55 54 52 43   37 35 36 36   35 37 37 36   32 32 30 31
PWind dir         S     W       W    SW      SW     W      NW    NW
Wind char        BZ    GN      LT    GN      GN    GN      GN    BZ
Avg clouds    B1 B2 B2 B1   SC SC FW FW   SC SC SC SC   SC SC SC SC
PoP 12hr         40    60      10     0       5    10       5     0
Rain shwrs        C  L  L
Tstms             C  C  S

$$
IAZ035-182200-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
621 AM CDT Wed Oct 18 2017

Date             Wed 10/18/17            Thu 10/19/17            Fri 10/20/17
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                      75          41          74          54          78
Temp             49 57 69 73 64 55 50 46 42 54 69 74 67 59 57 55 54 62 74 78 70
Dewpt            45 47 48 47 44 43 40 39 37 39 40 41 45 46 48 48 49 52 54 54 54
RH               86 69 47 40 48 64 68 76 82 57 35 30 45 62 72 77 83 70 50 43 57
Wind dir          S  S SW  W  W NW NW NW  S SE  S  S  S  S  S  S  S  S  S  S  S
Wind spd          8 11 13 11  5  4  3  3  3  5 10 11  8  9 10  9 10 13 17 19 17
Wind gust              25                                           24 29 32 27
Clouds           CL CL FW CL CL CL CL CL CL CL CL CL CL CL FW FW SC FW SC SC B1
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date          Sat 10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17
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          60    68      44    64      46    64      43    56
Temp          63 60 68 59   50 45 63 58   52 47 63 57   49 43 55 50
Dewpt         54 56 56 48   41 37 40 38   35 36 40 37   34 32 32 32
PWind dir         S    SW      NW    SW      SW     W      NW    NW
Wind char        BZ    GN      LT    GN      GN    GN      GN    GN
Avg clouds    B2 B2 B2 B2   B1 SC FW FW   SC SC SC SC   SC SC FW SC
PoP 12hr         40    60      30     0       5     5       5     0
Rain shwrs        C  C  L    C
Tstms             C  C  L

$$
IAZ094-182200-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
621 AM CDT Wed Oct 18 2017

Date             Wed 10/18/17            Thu 10/19/17            Fri 10/20/17
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                      75          46          76          55          77
Temp             50 58 69 73 64 59 55 50 46 57 71 76 67 61 58 56 56 62 73 77 68
Dewpt            45 46 47 48 49 49 49 46 44 46 49 50 52 50 50 49 50 51 54 54 53
RH               83 64 45 41 58 69 80 86 93 67 46 40 59 67 75 77 80 67 51 45 59
Wind dir          S  S  S  S  S SW  W  N NE  E SE SE SE  S  S  S  S  S  S  S  S
Wind spd          9 11 13 12  6  5  5  4  4  5  6  8  6  6  8  8  8 11 14 16 13
Wind gust              24                                              25 26
Clouds           CL CL FW CL CL CL CL FW CL CL CL CL CL CL FW FW SC FW SC SC B1
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date          Sat 10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17
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          60    71      47    65      45    66      44    59
Temp          62 60 71 63   53 48 64 58   49 47 65 58   49 45 59 52
Dewpt         52 55 61 56   48 42 41 41   39 38 44 39   36 34 34 33
PWind dir         S    SW      NW     W      SW     W      NW    NW
Wind char        GN    GN      GN    LT      LT    GN      GN    GN
Avg clouds    B1 B2 B2 OV   B2 SC SC FW   FW FW FW FW   FW FW FW SC
PoP 12hr         30    70      70     5       0     0       5     0
Rain shwrs        C  C  L    L  C
Tstms             C  C  L    L

$$
IAZ017-182200-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
621 AM CDT Wed Oct 18 2017

Date             Wed 10/18/17            Thu 10/19/17            Fri 10/20/17
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                      74          41          72          51          76
Temp             48 57 68 71 62 54 50 46 41 54 68 71 61 54 53 51 52 61 72 76 67
Dewpt            46 48 48 48 45 43 41 39 37 39 37 38 41 43 47 46 48 51 52 51 53
RH               93 72 49 44 54 66 71 76 85 57 32 30 48 66 80 83 86 70 49 42 61
Wind dir          S  S SW  W  W NW NW  W SW  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd          8 12 14 12  6  5  5  4  4  4  9 10  8  9 10  9  9 13 17 19 17
Wind gust              25                                              27 31
Clouds           CL CL FW CL CL FW FW CL FW CL CL CL CL CL FW FW SC FW SC FW B1
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date          Sat 10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17
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          58    67      44    63      45    62      41    54
Temp          61 58 67 59   50 45 62 55   51 46 62 54   48 41 54 47
Dewpt         52 54 53 48   43 39 39 38   37 37 40 37   36 35 33 33
PWind dir         S    SW      NW    SW      SW     W      NW    NW
Wind char        BZ    GN      LT    GN      GN    GN      GN    GN
Avg clouds    B1 B2 B2 B2   B1 SC FW FW   SC SC SC SC   SC SC SC SC
PoP 12hr         40    70      50     0       5    10      10     5
Rain shwrs        C  C  L    C
Tstms             C  C  C

$$
IAZ049-182200-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
621 AM CDT Wed Oct 18 2017

Date             Wed 10/18/17            Thu 10/19/17            Fri 10/20/17
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                      74          43          73          52          76
Temp             49 58 69 72 64 57 52 47 43 56 69 73 63 56 54 53 53 62 73 75 68
Dewpt            46 48 47 47 47 48 46 42 40 40 38 39 44 44 48 47 48 51 53 51 51
RH               89 69 45 41 54 72 80 83 89 55 32 29 50 64 80 80 83 67 49 43 54
Wind dir          S  S  S SW SW  W NW  N  N SE SE  S SE SE  S  S  S  S  S  S  S
Wind spd          6 11 14 13  6  5  4  3  3  4  6  8  6  6  8  6  8 11 16 17 14
Wind gust              27 24                                           26 28
Clouds           CL CL FW CL CL CL CL CL FW CL CL CL CL CL FW FW SC FW SC FW B1
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date          Sat 10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17
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          58    69      46    63      45    63      44    56
Temp          62 59 69 62   52 47 62 56   50 46 62 56   50 44 56 50
Dewpt         51 54 58 54   47 42 43 40   39 38 43 39   36 35 34 32
PWind dir         S    SW      NW     W      SW     W      NW    NW
Wind char        GN    GN      LT    GN      GN    GN      GN    GN
Avg clouds    B1 B2 B2 OV   B2 B1 SC FW   FW SC SC SC   SC FW FW SC
PoP 12hr         30    60      70     5       5    10       5     0
Rain shwrs        C  C  L    L  C
Tstms             S  C  L    C

$$
IAZ086-182200-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
621 AM CDT Wed Oct 18 2017

Date             Wed 10/18/17            Thu 10/19/17            Fri 10/20/17
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                      74          45          75          53          78
Temp             51 59 69 72 64 59 55 50 45 55 70 74 65 59 57 54 54 64 74 77 68
Dewpt            45 47 47 47 48 48 50 47 44 45 45 46 49 49 50 48 49 51 52 51 51
RH               80 64 45 41 56 67 83 89 96 69 41 37 56 69 77 80 83 63 46 40 54
Wind dir          S  S  S  S  S  S SW NW  N  E SE SE SE SE  S  S  S  S  S  S  S
Wind spd          9 11 13 12  6  6  5  4  4  4  5  6  5  6  6  6  6 10 12 13 11
Wind gust              24                                                 24
Clouds           CL CL CL FW FW CL CL FW FW CL CL CL CL CL FW FW SC FW SC FW B1
PoP 12hr                      0           0           0           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date          Sat 10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17
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          59    71      49    65      45    65      45    58
Temp          62 59 71 65   55 50 65 57   50 46 64 58   50 45 58 51
Dewpt         49 52 59 58   52 46 44 42   40 39 44 41   38 36 36 34
PWind dir         S     S       W     W      SW     W      NW    NW
Wind char        GN    GN      LT    LT      LT    GN      GN    BZ
Avg clouds    B1 B2 B2 OV   B2 B1 SC FW   FW FW SC SC   FW FW FW SC
PoP 12hr         20    50      80    10       5     5       5     0
Rain shwrs        S  C  C    D  L
Tstms                C  C    C  S

$$



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