Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
307 PM CDT Thu Oct 19 2017

IAZ060-201000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
307 PM CDT Thu Oct 19 2017

Date           10/19/17      Fri 10/20/17            Sat 10/21/17            Sun
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                      54          80          61          71          49
Temp          77 68 62 59 56 54 65 76 80 70 65 64 63 61 66 69 71 66 60 56 53 49
Dewpt         49 50 53 50 50 49 53 54 53 52 52 52 55 57 59 60 61 58 55 50 47 43
RH            37 52 72 72 80 83 65 46 39 53 63 65 75 87 78 73 71 75 84 80 80 80
Wind dir      SE SE SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S SW  W NW NW NW
Wind spd       9  6  6  6  6  6 11 14 18 14 16 13 13 13 14 16 14 10 10  8  8  8
Wind gust                                   26    27 26 29 28 26
Clouds        CL CL CL CL FW FW FW FW SC B1 B1 B2 B2 B2 OV OV OV OV OV B2 B1 B1
PoP 12hr                      0           0          40          70          80
QPF 12hr                      0           0        0.02        0.33        0.56
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C  C  C  L  L  D  D  C  C
Tstms                                           S  S  C  C  L  L  C  S


Date           10/22  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17
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          64      46    67      46    57      39    55      40    60
Temp          63 59   51 47 65 62   52 46 57 53   45 40 54 51   43 42 59 53
Dewpt         41 40   40 39 45 44   41 37 36 34   35 32 34 35   36 35 35 34
PWind dir        NW       W    SW      NW    NW      NW    NW       W     W
Wind char        GN      LT    GN      GN    GN      GN    GN      LT    GN
Avg clouds    SC FW   SC FW FW SC   SC SC SC SC   SC SC FW FW   FW FW FW FW
PoP 12hr         10      10     5      10    20      30     5       0     0
Rain shwrs                                 S  S    C

$$
IAZ039-201000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
307 PM CDT Thu Oct 19 2017

Date           10/19/17      Fri 10/20/17            Sat 10/21/17            Sun
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                      50          78          58          71          50
Temp          74 64 58 55 52 51 62 75 77 69 62 61 59 58 62 69 71 67 62 57 54 50
Dewpt         34 39 44 48 49 49 52 52 50 50 50 51 52 53 57 59 59 59 59 53 51 47
RH            23 40 59 77 89 93 70 45 39 51 65 70 78 83 84 70 66 75 90 86 90 89
Wind dir      SE SE SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S SW NW NW NW
Wind spd       9  6  6  5  5  8 11 13 17 14 16 13 12 13 14 16 14 12  9  6  6  8
Wind gust                             27    26    25 26 27 28 27 24
Clouds        CL CL CL CL FW FW FW FW FW SC B1 B2 B2 B2 OV B2 OV OV OV OV B2 B2
PoP 12hr                      0           0          30          40          90
QPF 12hr                      0           0           0        0.26        0.85
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C  C  C  C  C  D  D  L  L  S
Tstms                                                    S  C  C  C  C


Date           10/22  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17
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          63      44    65      45    55      37    52      37    57
Temp          63 56   50 45 64 58   50 45 55 49   44 37 51 48   40 39 56 49
Dewpt         43 40   40 39 45 44   42 39 37 36   35 33 35 35   36 34 35 34
PWind dir        NW      SW    SW      NW    NW      NW    NW       W     W
Wind char        GN      LT    GN      GN    BZ      GN    GN      LT    GN
Avg clouds    B1 SC   SC SC SC SC   B1 SC SC SC   SC SC FW FW   FW FW FW FW
PoP 12hr         20      10    10      20    30      30     5       0     0
Rain shwrs     S                        S  C  C    C

$$
IAZ048-201000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
307 PM CDT Thu Oct 19 2017

Date           10/19/17      Fri 10/20/17            Sat 10/21/17            Sun
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                      51          77          59          71          48
Temp          76 67 60 56 54 52 62 73 77 68 62 59 59 59 64 69 71 66 59 55 51 48
Dewpt         46 46 50 51 50 50 53 54 52 52 52 52 54 56 59 60 60 58 54 49 46 43
RH            34 47 69 83 86 93 72 51 42 57 70 78 83 90 84 73 68 75 83 80 83 83
Wind dir      SE SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S SW NW NW NW NW
Wind spd       9  6  6  5  5  6 12 16 18 14 16 13 12 12 14 16 14 10 10  8  8  6
Wind gust                                         26 25 27 28 27
Clouds        CL CL CL CL FW FW FW FW FW B1 B1 B2 B2 B2 OV OV OV OV B2 B2 B1 SC
PoP 12hr                      0           0          40          70          80
QPF 12hr                      0           0        0.02        0.37        0.38
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C  C  C  L  L  D  D  C  C
Tstms                                           S  S  C  C  L  L  C  S


Date           10/22  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17
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          64      43    67      45    57      37    54      38    59
Temp          63 57   49 44 66 60   51 45 57 52   45 37 53 49   41 40 58 51
Dewpt         41 39   39 39 45 43   40 38 36 35   34 32 34 35   35 35 35 34
PWind dir        NW      SW    SW      NW    NW      NW    NW       W     W
Wind char        GN      LT    GN      GN    BZ      GN    GN      LT    GN
Avg clouds    SC FW   FW SC SC SC   SC SC SC SC   SC FW FW FW   FW FW FW FW
PoP 12hr          5      10     5      10    20      30     5       0     0
Rain shwrs                                 S  S    C

$$
IAZ004-201000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
307 PM CDT Thu Oct 19 2017

Date           10/19/17      Fri 10/20/17            Sat 10/21/17            Sun
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                      52          76          59          68          42
Temp          75 65 59 55 54 52 60 72 76 67 61 61 60 60 64 68 67 59 53 49 44 42
Dewpt         38 45 48 50 50 49 52 52 52 53 54 56 57 58 59 57 53 49 45 40 38 36
RH            26 48 67 83 86 89 75 49 43 61 78 84 90 93 84 68 61 69 74 71 79 79
Wind dir       S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  W NW NW NW  W NW
Wind spd      13 10 10 10 10 11 17 20 23 19 19 19 16 14 16 16 13 10  8  9  8  6
Wind gust                                         28 26 27 29 24
Clouds        CL CL CL CL FW FW FW FW FW SC B2 B2 OV B2 OV OV OV OV B1 SC SC SC
PoP 12hr                      0           0          40          60          30
QPF 12hr                      0           0        0.04        0.20        0.09
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C  L  L  C  C  C  C
Tstms                                           S  C  C  C  C  C


Date           10/22  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17
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          62      42    64      41    54      34    54      36    56
Temp          61 55   47 44 63 56   47 41 54 48   39 35 53 49   41 37 55 49
Dewpt         35 35   35 37 42 40   37 35 33 32   31 31 32 33   34 32 30 31
PWind dir         W      SW     W      NW    NW      NW     W       W     W
Wind char        GN      LT    GN      GN    BZ      GN    GN      GN    GN
Avg clouds    FW FW   FW SC SC B1   B1 SC SC SC   SC FW FW FW   FW FW FW SC
PoP 12hr          0       0     5      20    30      10     5       0     0
Rain shwrs                              S  S  C

$$
IAZ035-201000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
307 PM CDT Thu Oct 19 2017

Date           10/19/17      Fri 10/20/17            Sat 10/21/17            Sun
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                      53          77          60          69          45
Temp          76 67 60 57 55 53 61 73 77 69 62 61 61 60 63 68 68 61 57 51 48 45
Dewpt         42 45 49 51 50 50 53 54 53 53 53 54 55 57 59 59 58 52 50 44 42 39
RH            30 45 67 80 83 89 75 51 43 57 72 78 81 90 87 73 70 72 77 77 80 79
Wind dir       S SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  W NW NW NW NW
Wind spd      11  9  9  8  8 10 13 17 21 18 18 17 16 16 14 16 13 10  8  8  6  6
Wind gust                                      27 29 28 29 28 26
Clouds        CL CL CL CL FW FW FW FW FW SC B2 B2 B2 B2 OV OV OV OV B2 B1 SC SC
PoP 12hr                      0           0          50          70          50
QPF 12hr                      0           0        0.08        0.34        0.13
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C  C  C  L  L  C  C  S  S
Tstms                                           S  S  C  C  L  L  S


Date           10/22  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17
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          63      43    66      44    56      36    54      37    58
Temp          62 56   48 45 65 60   50 44 56 50   43 37 53 49   41 39 57 51
Dewpt         39 38   37 37 44 41   38 35 36 33   32 31 34 34   34 33 34 32
PWind dir        NW      SW    SW      NW    NW      NW    NW       W     W
Wind char        GN      LT    GN      GN    BZ      GN    GN      GN    GN
Avg clouds    SC FW   FW FW SC SC   SC SC SC SC   SC FW FW FW   FW FW FW FW
PoP 12hr          0       5     5      20    20      20     5       0     0
Rain shwrs                              S  S  S    S

$$
IAZ094-201000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
307 PM CDT Thu Oct 19 2017

Date           10/19/17      Fri 10/20/17            Sat 10/21/17            Sun
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                      52          78          60          71          49
Temp          77 67 61 58 54 52 62 74 77 67 62 60 60 60 64 69 71 66 59 56 52 49
Dewpt         53 54 52 51 50 49 52 54 53 53 53 52 56 56 59 60 61 58 56 51 48 44
RH            43 63 72 77 86 89 70 50 43 61 72 75 87 87 84 73 71 75 90 83 86 83
Wind dir      SE SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  W NW NW NW
Wind spd       9  6  8  8  6  9 12 14 18 14 16 14 14 14 17 16 14 11 10  9  8  9
Wind gust                                   26    26 26 29 27 26
Clouds        CL CL CL FW FW FW FW SC SC B1 B1 B2 B2 B2 OV OV OV OV OV B2 B1 B1
PoP 12hr                      0           0          30          70          90
QPF 12hr                      0           0        0.01        0.26        0.85
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C  C  C  L  L  D  D  C  C
Tstms                                              S  C  C  L  L  D  C


Date           10/22  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17
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          63      45    67      45    58      38    55      39    60
Temp          62 58   50 47 66 60   53 45 57 53   46 38 54 49   42 41 59 53
Dewpt         42 40   40 39 45 44   40 38 36 35   34 33 35 36   34 35 38 36
PWind dir        NW       W    SW      NW    NW      NW    NW       W     W
Wind char        GN      LT    GN      GN    BZ      GN    GN      LT    GN
Avg clouds    SC SC   SC FW FW FW   FW FW SC SC   SC FW FW FW   FW FW FW FW
PoP 12hr         10      10     5      10    20      20     5       0     0
Rain shwrs                                    S    C  S

$$
IAZ017-201000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
307 PM CDT Thu Oct 19 2017

Date           10/19/17      Fri 10/20/17            Sat 10/21/17            Sun
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                      51          76          58          68          46
Temp          74 63 58 54 53 51 61 73 75 65 61 60 58 58 62 67 67 62 57 52 49 46
Dewpt         33 39 44 48 49 49 52 52 50 50 52 52 53 55 58 59 58 55 52 47 45 41
RH            22 41 59 80 86 93 72 48 41 58 72 75 83 90 87 75 73 78 83 83 86 83
Wind dir       S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S SW  W NW NW NW
Wind spd      11  8  9  8  8 10 13 16 20 17 18 17 16 14 16 16 16 10  9  8  8  8
Wind gust                          26          27 27 26 28 27 26
Clouds        CL CL CL CL FW FW FW FW FW SC B1 B2 B2 B2 OV OV OV OV B2 B2 B1 SC
PoP 12hr                      0           0          30          70          70
QPF 12hr                      0           0        0.02        0.34        0.29
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C  C  C  L  L  L  L  S  S
Tstms                                                 S  C  C  L  C


Date           10/22  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17
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          62      42    64      43    53      35    52      36    55
Temp          61 54   47 43 63 57   49 43 53 47   42 35 51 47   40 38 54 48
Dewpt         39 38   38 38 43 42   39 37 36 34   33 32 34 34   35 34 33 32
PWind dir        NW      SW    SW      NW    NW      NW    NW       W     W
Wind char        GN      LT    GN      GN    BZ      GN    GN      GN    GN
Avg clouds    SC FW   FW SC SC B1   B1 SC SC SC   SC FW FW FW   FW FW FW SC
PoP 12hr         10       5     5      30    30      30     5       0     0
Rain shwrs                              C  C  C    C

$$
IAZ049-201000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
307 PM CDT Thu Oct 19 2017

Date           10/19/17      Fri 10/20/17            Sat 10/21/17            Sun
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                      51          78          58          70          49
Temp          75 65 58 55 54 51 62 74 77 67 61 60 59 58 63 69 70 65 60 55 52 49
Dewpt         41 42 46 49 49 49 53 52 50 50 51 51 53 54 57 59 59 58 57 51 48 44
RH            29 43 64 80 83 93 72 46 39 54 70 72 80 86 81 70 68 78 90 86 86 83
Wind dir      SE SE SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  W NW NW NW
Wind spd       9  6  6  6  5  8 12 16 18 14 16 14 13 13 14 17 16 11  9  6  8  8
Wind gust                                         25 24 29 28 28
Clouds        CL CL CL CL FW FW FW FW FW SC B1 B2 B2 B2 OV OV OV OV OV B2 B1 B1
PoP 12hr                      0           0          30          50          90
QPF 12hr                      0           0        0.01        0.27        0.75
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C  C  C  C  C  D  D  L  L
Tstms                                                 S  C  C  C  C  C


Date           10/22  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17
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          63      43    65      44    55      37    53      37    57
Temp          62 56   49 44 64 59   50 44 55 50   44 37 52 47   40 39 56 48
Dewpt         41 39   39 39 45 44   41 38 36 35   35 33 34 34   35 34 35 33
PWind dir        NW       W    SW      NW    NW      NW    NW       W     W
Wind char        GN      LT    GN      GN    BZ      GN    GN      LT    GN
Avg clouds    SC SC   FW SC SC SC   SC SC SC SC   SC SC FW FW   FW FW FW FW
PoP 12hr         10      10     5      10    20      30     5       0     0
Rain shwrs                                 S  S    C

$$
IAZ086-201000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
307 PM CDT Thu Oct 19 2017

Date           10/19/17      Fri 10/20/17            Sat 10/21/17            Sun
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                      52          79          59          73          52
Temp          76 65 60 57 54 52 63 76 78 68 63 61 60 60 65 71 73 68 66 60 55 52
Dewpt         50 49 51 50 50 49 52 53 51 50 49 50 52 53 56 58 60 60 59 55 52 48
RH            40 56 72 77 86 89 67 45 39 52 60 67 75 78 73 63 64 76 78 84 90 86
Wind dir      SE SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  W NW NW
Wind spd       8  5  6  6  6  8 11 12 14 13 14 13 13 13 16 16 12 11 11  9  8  9
Wind gust                                               28 26 23
Clouds        CL CL CL CL FW FW FW FW SC SC B1 B2 B2 B2 B2 B2 OV OV OV OV B2 B2
PoP 12hr                      0           0          20          40          90
QPF 12hr                      0           0           0        0.11        0.92
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S  C  C  C  C  D  D  D  D  C
Tstms                                                       C  C  L  C  S


Date           10/22  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17
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          63      45    66      46    58      39    54      39    58
Temp          62 58   51 46 65 59   54 46 58 52   46 39 53 49   42 41 57 50
Dewpt         44 42   42 41 46 45   43 39 38 36   36 34 35 35   35 36 36 36
PWind dir        NW       W    SW      NW    NW      NW    NW       W     W
Wind char        GN      LT    GN      GN    BZ      GN    GN      LT    GN
Avg clouds    B1 SC   SC FW FW SC   SC SC SC SC   SC SC FW FW   FW FW FW FW
PoP 12hr         30      10    10      10    20      30     5       0     0
Rain shwrs     C                           S  S    C

$$



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