FNUS75 KSLC 150925
FWSSLC

Spot Forecast for Yellowpine Rx...Duchesne Ranger District- Ashley National
National Weather Service Salt Lake City UT
325 AM MDT Thu Oct 15 2026

Forecast is based on ignition time of 0800 MDT on October 15. 
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...In the wake of a departing low pressure system, high
pressure building in from the north will result in a warming and 
drying trend. Winds will remain largely terrain-driven through the
day, with enough ventilation to boost the Clearing Index above 500 
this afternoon. This building high will bring dry and stable 
conditions again Friday, with light terrain-driven winds and 
marginal ventilation. 
TODAY...

Sky/weather.........Mostly sunny (15-25 percent cloud cover). 
CWR.................0 percent. 
Chance of pcpn......0 percent. 
Chance of lightning.0 percent. 
Max temperature.....41-45. 
Min humidity........38-42 percent. 
Wind (20 ft)........North 3-8 mph becoming southeast 3-7 mph in 
                    the afternoon. 
Mixing height.......4500 ft AGL (30-40th Percentile). 
Transport winds.....North around 12 mph. 
Clearing index......510. 

.TONIGHT...

Sky/weather.........Mostly clear (5-15 percent cloud cover). 
CWR.................0 percent. 
Chance of pcpn......0 percent. 
Chance of lightning.0 percent. 
Min temperature.....25-27. 
Max humidity........62-64 percent. 
Wind (20 ft)........Downslope/down-drainage 2-6 mph.
Mixing height.......500 ft AGL. 
Transport winds.....Down-drainage 5 mph.

.FRIDAY...

Sky/weather.........Sunny (0-10 percent cloud cover). 
CWR.................0 percent. 
Chance of pcpn......0 percent. 
Chance of lightning.0 percent. 
Max temperature.....44-48. 
Min humidity........30-34 percent. 
Wind (20 ft)........Terrain-driven 3-7 mph. 
Mixing height.......2400 ft AGL (20-30th Percentile). 
Transport winds.....Southeast around 8 mph. 
Clearing index......180. 

$$
Forecaster...Seaman
Requested by...Emma Rosenfield
Type of request...PRESCRIBED
.TAG 2623587.4/SLC
.DELDT 10/15/26
.FormatterVersion 2.0.0
.EMAIL emma.rosenfield@usda.gov,erosenfield@mac.com