304
FNUS75 KBYZ 030000
FWSBYZ

Spot Forecast for West Fork...USFS
National Weather Service Billings MT
600 PM MDT Tue Sep 2 2025

Forecast is based on forecast start time of 1800 MDT on September 02.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office if you have questions
or concerns with this forecast.

.DISCUSSION...

Terrain driven winds should prevail overnight tonight. Winds should
remain out of the north/northwest through Thursday. Breezy conditions
will bring afternoon wind gusts of 20-25 mph Wednesday and Thursday.
Overnight RH recoveries will be moderate, around 40 to 50 percent.
Conditions will trend slightly cooler Thursday through the weekend
following a cold front early Thursday morning. This will slightly cool
temperatures and make for better overnight RH recoveries. Chances for
precipitation will increase into the weekend with a 25 percent chance
Saturday and 50 percent chance Sunday.

.TONIGHT...

Sky/weather.........Mostly clear. Haze in the evening. Areas of
                    smoke overnight.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....45-49.
Max humidity........45-49 percent.
Wind (20 ft)........
 Slope/valley.......North winds up to 8 mph.
 Ridgetop...........Northeast around 5 to 10 mph.
Mixing height.......Decreasing to 700 ft AGL overnight.
Transport winds.....North around 7 mph.

.WEDNESDAY...

Sky/weather.........Sunny. Areas of smoke in the morning.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....71-75.
Min humidity........19-23 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds 5 to 9 mph. Gusts up to 20 mph
                    in the afternoon.
 Ridgetop...........Northwest around 10 to 15 mph.
Mixing height.......Increasing to 9900 ft AGL in the afternoon.
Transport winds.....North around 9 mph.

.WEDNESDAY NIGHT...

Sky/weather.........Mostly clear. Areas of smoke overnight.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....44-48.
Max humidity........45-49 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds 5 to 8 mph in the evening
                    becoming light.
 Ridgetop...........Northwest around 10 to 20 mph.
Mixing height.......Decreasing to 600 ft AGL overnight.
Transport winds.....Northwest around 11 mph.

.THURSDAY...

Sky/weather.........Sunny. Areas of smoke in the morning.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....67-71.
Min humidity........25-29 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds up to 12 mph. Gusts up to 24
                    mph in the afternoon.
 Ridgetop...........North around 15 mph.
Mixing height.......Increasing to 8000 ft AGL in the afternoon.
Transport winds.....North around 11 mph.

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...
Mostly clear. Lows in the upper 30s. Highs in the upper 60s.
North winds around 6 mph.
.SATURDAY...
Mostly clear. Slight chance of showers and thunderstorms. Lows in
the lower 40s. Highs in the upper 60s. East winds around 6 mph.
.SUNDAY...
Mostly cloudy. Showers likely and chance of thunderstorms. Lows
in the lower 40s. Highs in the lower 60s. South winds around
6 mph.

$$
Forecaster...Stetzer
Requested by...Vicki Stephens
Type of request...WILDFIRE
.TAG 2520413.13/BYZ
.DELDT 09/02/25
.FormatterVersion 2.0.0
.EMAIL vicki_stephens@firenet.gov