067
FNUS75 KSLC 182056
FWSSLC

Spot Forecast for Widemouth 2...Forest Service
National Weather Service Salt Lake City UT
256 PM MDT Fri Sep 18 2026

Forecast is based on forecast start time of 0600 MDT on September 19.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...A cooler and more stable airmass will settle over the
fire area Saturday under a general westerly flow aloft. This will
allow daytime temperatures to trend several degrees cooler under
generally sunny skies. Daytime RH will trend lower, but remain
elevated above 30 percent across all elevations. High pressure will
strengthen over the area Sunday bringing a warming and drying trend,
along with terrain driven winds.

.SATURDAY...

Sky/weather.........Partly cloudy early, then becoming sunny.
CWR.................0 percent.
Chance of pcpn......5 percent.
Chance of lightning.0 percent.
Max temperature.....68-75.
Min humidity........35-45 percent.
Wind (20 ft)........West 3-7 mph increasing to 6-10 mph with gusts
                    15-20 mph during the afternoon.
Mixing height.......Rising to 6000 ft AGL (50-60th Percentile).
Transport winds.....West 10 to 15 mph.

.SATURDAY NIGHT...

Sky/weather.........Mostly clear (5-15 percent cloud cover).
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of lightning.0 percent.
Min temperature.....38-45.
Max humidity........50-60 percent.
Wind (20 ft)........Terrain-driven 3-7 mph. Ridgeline winds west
                    around 5 mph.
Mixing height.......Falling to around 500 ft AGL.
Transport winds.....West around 14 mph becoming northeast around 8
                    mph overnight.

.SUNDAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of lightning.0 percent.
Max temperature.....70-78.
Min humidity........35-45 percent.
Wind (20 ft)........Terrain driven 3-8 mph. Ridgeline winds west
                    4-8 mph.
Mixing height.......Rising to 6500 ft AGL (50-60th Percentile).
Transport winds.....West around 10 mph.

$$
Forecaster...Seaman
Requested by...Sierra Sampson
Type of request...WILDFIRE
.TAG 2622136.0/SLC
.DELDT 09/18/26
.FormatterVersion 2.0.0
.EMAIL sierra.sampson@usda.gov