Spot Forecast
Issued by NWS Salt Lake City, UT
Issued by NWS Salt Lake City, UT
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FNUS75 KSLC 231832
FWSSLC
Spot Forecast for D4 Piles...US Forest Service
National Weather Service Salt Lake City UT
1132 AM MST Sun Nov 23 2025
Forecast is based on ignition time of 0900 MST on November 24.
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...A weather system brushing northern Utah will yield
dry northwesterly flow aloft on Monday. This upper-level flow is
expected to remain generally light, thus keeping stable conditions
in place that will result in limited clearing with values less
than 500 on Monday afternoon. High pressure gradually strengthens
across the western US Tuesday through Thursday, which will result
in gradually decreasing clearing index values each afternoon
through this period. A drier airmass is expected through this
period as well, with gradually decreasing RH each day. A pattern
shift towards colder and potentially wetter conditions arrives
Friday and into the weekend.
.MONDAY...
Sky/weather.........Sunny (0-10 percent cloud cover).
CWR.................0 percent.
Chance of pcpn......0 percent.
Max temperature.....Around 40.
Min humidity........49-51 percent.
Wind (20 ft)........Northwest winds 5-9 mph increasing to 9-12
mph after 0900.
Mixing height.......2100 ft AGL.
Climatology......20-30th Percentile.
Transport winds.....Northwest 13 to 17 mph.
Clearing index......270.
.MONDAY NIGHT...
Sky/weather.........Mostly clear (5-15 percent cloud cover).
CWR.................0 percent.
Chance of pcpn......0 percent.
Min temperature.....15-17.
Max humidity........73-75 percent.
Wind (20 ft)........Northwest winds 5-10 mph.
Mixing height.......0 ft AGL.
Transport winds.....Northwest around 13 mph.
.TUESDAY...
Sky/weather.........Mostly sunny (15-25 percent cloud cover).
CWR.................0 percent.
Chance of pcpn......0 percent.
Max temperature.....34-36.
Min humidity........40-42 percent.
Wind (20 ft)........Northwest winds 4-10 mph.
Mixing height.......2700 ft AGL.
Climatology......30-40th Percentile.
Transport winds.....Northwest 10 to 12 mph.
Clearing index......260.
$$
Forecaster...Whitlam
Requested by...Shane Woolsey
Type of request...PRESCRIBED
.TAG 2526540.0/SLC
.DELDT 11/23/25
.FormatterVersion 2.0.0
.EMAIL shane.woolsey@usda.gov