527
FNUS75 KTFX 131114
FWSTFX

Spot Forecast for Gill Gulch Fire...USFS
National Weather Service Great Falls MT
514 AM MDT Wed Aug 13 2025

Forecast is based on forecast start time of 0600 MDT on August 12.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Today it will be hot and dry with near critical fire weather
conditions expected. Today winds will be 5 - 10 mph in the morning
increasing to 15 - 20 mph in the afternoon with gusts up to 30
mph. Tonight there will be poor humidity recovery with winds
gradually decreasing by midnight. Tomorrow it will be cooler and
dry. Tomorrow winds will be 5 - 10 mph in the morning increasing
to 10 - 15 mph with gusts up to 20 mph. There will be a wind
shift to northwesterly winds Thursday evening.


.TODAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....75-80.
Min humidity........15-20 percent.
Wind (20 ft)........
 Slope/valley.......Southwest winds 5 to 10 mph increasing to west
                    around 20 mph.
 Ridgetop...........West 20 to 25 mph increasing to 30 to 35 mph
                    late in the afternoon.
Mixing height.......8500 ft AGL.
Transport winds.....Southwest 10 to 15 mph increasing to west
                    around 30 mph.

.TONIGHT...

Sky/weather.........Mostly clear (5-15 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Min temperature.....49-54.
Max humidity........47-52 percent.
Wind (20 ft)........
 Slope/valley.......West winds 10 to 15 mph. Gusts up to 30 mph.
 Ridgetop...........West 30 to 35 mph decreasing to 20 to 25 mph
                    overnight.
Mixing height.......0 ft AGL.
Transport winds.....West 25 to 30 mph decreasing to around 10 mph.

.THURSDAY...

Sky/weather.........Mostly sunny (20-30 percent).
CWR.................0 percent.
Chance of thunder...2 percent.
Max temperature.....68-73.
Min humidity........21-26 percent.
Wind (20 ft)........
 Slope/valley.......West winds 10 to 15 mph becoming around 10 mph
                    with gusts to around 25 mph late in the
                    afternoon.
 Ridgetop...........West 15 to 20 mph.
Mixing height.......6500 ft AGL.
Transport winds.....West 10 to 15 mph increasing to around 20 mph
                    in the late morning and afternoon.

$$

Forecaster...Gesell
Requested by...Hannah Pinkerton
Type of request...WILDFIRE
.TAG 2519519.4/TFX
.DELDT 08/12/25
.FormatterVersion 2.0.0
.EMAIL hannah.pinkerton@usda.gov,todd.a.burbridge@usda.gov,jarel.kurtz@usda.gov,nicholas.boucher@usda.gov,jason.l.gilbert@usda.gov, tfx.ops@noaa.gov