810
FNUS74 KOUN 191515
FWSOUN

Spot Forecast for Gracemont...USWFS
National Weather Service Norman OK
1015 AM CDT Sat Sep 19 2026

Forecast is based on forecast start time of 1600 CDT on September 19.
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...

Surface winds will be increasing out of the south-southwest at 10
mph gusting to 15-20 mph through the afternoon then backing
slightly south-southeast around 5-10 mph after sundown. This
afternoon will heat up to around 100 degrees with the RH
decreasing to a minimum around 30% by later afternoon before
recovering after sundown. Only sky cover may be partly cloudy with
low fair weather clouds by mid-afternoon. No rain in the forecast
until after midnight although a risk for severe storms with
lighting late this afternoon into the evening mainly west and
north of the burning area so will need to keep an eye on that.

.TONIGHT...

Sky/weather.........Mostly clear then becoming partly cloudy late
                    in the evening then becoming mostly cloudy then
                    becoming partly cloudy overnight. Slight chance
                    of showers and thunderstorms overnight.
Min temperature.....Around 74.
Max humidity........71 percent.
Wind (20 ft)........South winds 9 to 12 mph. Gusty and erratic
                    winds expected near thunderstorms overnight.
Mixing height.......400 ft AGL.
Transport winds.....South 13 to 17 mph.
Smoke dispersal.....Poor to excellent (5000-94600 knot-ft).

TIME (CDT)      6 PM         10 PM        2 AM
Sky (%).........14           42           48
Weather cov.....                          S CHC
Weather type....NONE         NONE         RNSHWR
Tstm cov........                          S CHC
Temp............97           86           81
RH..............32           46           51
20 FT wind dir..S            S            S
20 FT wind spd..12           12           10
20 FT wind gust.20           20           17
Mix hgt (ft)....7200         500          500
Transport wind..S 15         S 15         S 17
VRate ktft/1000.95           7            7

.SUNDAY...

Sky/weather.........Mostly sunny then becoming partly sunny early
                    in the morning then becoming mostly cloudy then
                    becoming partly sunny late in the morning then
                    becoming mostly cloudy then becoming mostly
                    sunny late in the afternoon. Chance of showers
                    in the morning. Chance of thunderstorms through
                    the day. Showers likely in the afternoon.
Max temperature.....Around 96.
Min humidity........40 percent.
Wind (20 ft)........South winds 8 to 10 mph shifting to the west
                    around 8 mph late in the afternoon. Gusty and
                    erratic winds expected near thunderstorms early
                    in the morning. Gusty and erratic winds
                    expected near thunderstorms in the late morning
                    and afternoon.
Mixing height.......6300 ft AGL.
Transport winds.....South 10 to 15 mph.
Smoke dispersal.....Poor to excellent (4400-62800 knot-ft).

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........39        59        48        48
Weather cov.....S CHC     CHANCE    CHANCE    LIKELY
Weather type....RNSHWR    RNSHWR    RNSHWR    RNSHWR
Tstm cov........S CHC     CHANCE    S CHC     CHANCE
Temp............76        78        89        93
RH..............62        66        48        42
20 FT wind dir..S         S         S         SE
20 FT wind spd..10        9         9         9
20 FT wind gust.17        16        16        16
Mix hgt (ft)....500       1000      3200      5600
Transport wind..S 13      S 15      S 12      S 12
VRate ktft/1000.5         13        32        57

$$
Forecaster...PIKE
Requested by...James Atkins
Type of request...WILDFIRE
.TAG 2622022.3/OUN
.DELDT 09/19/26
.FormatterVersion 2.0.0
.EMAIL james.atkins@usda.gov