744
FNUS74 KOUN 151647
FWSOUN

Spot Forecast for Lake Humphreys Rx...BIA
National Weather Service Norman OK
1047 AM CST Sat Nov 15 2025

Forecast is based on ignition time of 1100 CST on November 15.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office at (405) 325-3816 if you have questions
or concerns with this forecast.

.DISCUSSION...
Unseasonably warm today with near record temperatures expected.
Gusty southwest winds will gradually shift to the west by late
this afternoon before shifting to the north and diminishing early
this evening as a weak cold front moves through the site. Afternoon
humidity will drop to near 25 percent with good overnight recovery.



.REST OF TODAY...

Sky/weather.........Sunny.
Temperature.........76 at ignition...Max 83.
RH..................43 percent at ignition...Min 28 percent.
Wind (20 ft)........Winds southwest at 14 mph at
                    ignition...otherwise Southwest winds 6 to 13
                    mph.
Mixing height.......1700 ft AGL at ignition...otherwise 3600 ft
                    AGL.
Transport winds.....Southwest 15 to 22 mph shifting to the west
                    around 9 mph late in the afternoon.
Smoke dispersal.....Poor to excellent (4500-64000 knot-ft).

TIME (CST)      11 AM  1 PM   3 PM   5 PM
Sky (%).........1      5      4      3
Weather cov.....
Weather type....NONE   NONE   NONE   NONE
Tstm cov........
Temp............76     82     83     79
RH..............43     34     28     31
20 FT wind dir..SW     SW     SW     W
20 FT wind spd..13     13     9      6
20 FT wind gust.21     21     16     10
Mix hgt (ft)....1700   2600   3600   600
Transport wind..SW 22  SW 22  SW 21  W 9
VRate ktft/1000.32     49     64     5

.TONIGHT...

Sky/weather.........Clear then becoming mostly clear in the late
                    evening and overnight.
Temperature.........Min 51.
RH..................Max 77 percent.
Wind (20 ft)........North winds around 5 mph becoming 5 to 6 mph in
                    the late evening and overnight.
Mixing height.......300 ft AGL.
Transport winds.....West around 8 mph shifting to the north 9 to 15
                    mph.
Smoke dispersal.....Poor (2200-5600 knot-ft).

TIME (CST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........3      2      12     14     18     18
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............74     65     60     58     56     54
RH..............35     48     60     64     69     71
20 FT wind dir..NW     N      N      N      N      N
20 FT wind spd..5      5      5      6      6      6
20 FT wind gust.7      7      7      9      9      10
Mix hgt (ft)....300    400    400    400    400    400
Transport wind..W 8    N 12   N 13   N 15   N 15   N 14
VRate ktft/1000.2      4      5      6      5      5

.SUNDAY...

Sky/weather.........Mostly sunny then becoming sunny early in the
                    morning.
Temperature.........Max 77.
RH..................Min 45 percent.
Wind (20 ft)........Northeast winds 7 to 8 mph shifting to the east
                    around 6 mph late in the afternoon.
Mixing height.......2700 ft AGL.
Transport winds.....Northeast 13 to 16 mph shifting to the east 12
                    to 14 mph in the afternoon.
Smoke dispersal.....Poor to good (4800-32400 knot-ft).

TIME (CST)      6 AM      9 AM      NOON      3 PM
Sky (%).........26        6         25        22
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Temp............53        60        74        77
RH..............74        64        46        45
20 FT wind dir..NE        NE        NE        E
20 FT wind spd..7         8         8         8
20 FT wind gust.13        14        14        14
Mix hgt (ft)....400       1100      1900      2700
Transport wind..NE 15     NE 16     E 15      E 13
VRate ktft/1000.6         15        25        30

$$
Forecaster...CURL
Requested by...Josh Williams
Type of request...PRESCRIBED
.TAG 2525998.0/OUN
.DELDT 11/15/25
.FormatterVersion 2.0.0
.EMAIL justin.spicer@bia.gov,joshuad.williams@bia.gov