Spot Forecast
Issued by NWS Grand Junction, CO

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FNUS75 KGJT 111252
FWSGJT

Spot Forecast for Alpine Piles...usfs
National Weather Service Grand Junction CO
552 AM MST Thu Dec 11 2025

Forecast is based on ignition time of 0700 MST on December 11.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Northwest flow will remain in place with high
pressure building out west. This ridge will slowly slide overhead
by the weekend. Light winds and inversions aloft will lead to
limited mixing and poor smoke dispersal with no chance of
improvement until early next week.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
Max temperature.....41-46.
Min humidity........42-47 percent.
Wind (20 ft)........West winds 8 to 12 mph with gusts to 18 mph
                    in the afternoon.
Smoke dispersal.....Poor (14000-21000 knot-ft).
Mixing height.......Increasing to 1500 ft AGL by peak heating.
Transport winds.....West 15 mph.

.TONIGHT...

Sky/weather.........Mostly clear (5-15 percent).
CWR.................0 percent.
Min temperature.....18-23.
Max humidity........61-66 percent.
Wind (20 ft)........Southwest winds 5 mph.
Smoke dispersal.....Poor (3000 knot-ft).
Mixing height.......Decreasing to 400 ft AGL or less after sunset.
Transport winds.....West 11 mph.

.FRIDAY...

Sky/weather.........Sunny (10-20 percent).
CWR.................0 percent.
Max temperature.....40-45.
Min humidity........35-40 percent.
Wind (20 ft)........Southwest winds 5 mph shifting to the west
                    5 to 10 mph in the afternoon.
Smoke dispersal.....Poor (9000-17000 knot-ft).
Mixing height.......Increasing to 1400 ft AGL by peak heating.
Transport winds.....West 12 mph.

$$
Forecaster...Matt Aleksa
Requested by...carl hanley
Type of request...PRESCRIBED
.TAG 2527104.3/GJT
.DELDT 12/11/25
.FormatterVersion 2.0.0
.EMAIL carl.hanley@usda.gov