337
FNUS75 KTFX 060155
FWSTFX

Spot Forecast for Gill Gulch...USFS
National Weather Service Great Falls MT
755 PM MDT Tue Aug 5 2025

Forecast is based on forecast start time of 2000 MDT on August 05.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

A brief period of ridging develops across the region tonight into
much of Wednesday. Dry conditions are forecast as a result over
this timeframe. Upper level troughing begins its approach late
Wednesday, yielding a low-end chance for a shower or thunderstorm
in the evening Wednesday. Another period of showers and
thunderstorms will move across the region Thursday afternoon, with
a cold front moving across the region as well. Gusty ridgetop
winds (Around 30-35 mph or so) look to follow the cold front into
Thursday night and Friday.

.REST OF TONIGHT...

Sky/weather.........Partly cloudy (30-40 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Min temperature.....50-55.
Max humidity........52-57 percent.
Wind (20 ft)........
 Slope/valley.......West winds around 5 mph shifting to the
                    southwest overnight.
 Ridgetop...........West to southwest around 5 mph.
Mixing height.......0 ft AGL.
Transport winds.....West around 5 mph.

.WEDNESDAY...

Sky/weather.........Mostly sunny (45-55 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....69-74.
Min humidity........25-30 percent.
Wind (20 ft)........
 Slope/valley.......Southwest winds 5 to 10 mph.
 Ridgetop...........Southwest around 15 mph.
Mixing height.......8000 ft AGL.
Transport winds.....Southwest around 15 mph.

.WEDNESDAY NIGHT...

Sky/weather.........Mostly cloudy (70-80 percent) Slight chance for
                    a shower or thunderstorm in the evening.
CWR.................5 percent.
Chance of thunder...15 percent.
Min temperature.....47-52.
Max humidity........63-68 percent.
Wind (20 ft)........
 Slope/valley.......West winds 5 to 10 mph.
 Ridgetop...........West around 10 mph, increasing to 20 mph
                    late night.
Mixing height.......0 ft AGL.
Transport winds.....West around 10 mph, increasing to 20 mph.

.THURSDAY...

Sky/weather.........Partly sunny (65-75 percent). Chance for
                    showers and thunderstorms in the afternoon and
                    evening.
CWR.................35 percent.
Chance of thunder...50 percent.
Max temperature.....60-65.
Min humidity........46-51 percent.
Wind (20 ft)........
 Slope/valley.......West winds 5 to 10 mph. Gusty and erratic
                    winds near thunderstorms.
 Ridgetop...........West around 20 mph. Gusty and erratic winds
                    near thunderstorms.
Mixing height.......5000 ft AGL.
Transport winds.....West around 25 mph.

$$
Forecaster...McDowell
Requested by...Nick Boucher
Type of request...WILDFIRE
.TAG 2519397.0/TFX
.DELDT 08/05/25
.FormatterVersion 2.0.0
.EMAIL jason.l.gilbert@usda.gov,todd.a.burbridge@usda.gov,hannah.pinkerton@usda.gov,nicholas.boucher@usda.gov,jarel.kurtz@usda.gov, tfx.ops@noaa.gov