761
FNUS75 KBYZ 302356
FWSBYZ

Spot Forecast for West Fork...USFS
National Weather Service Billings MT
556 PM MDT Sat Aug 30 2025

Forecast is based on forecast start time of 1800 MDT on August 30.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...

Breezy conditions will continue to decrease through 2000 MDT this
evening, with winds becoming mostly light through 1200 MDT Sunday.
Conditions will trend warm and dry into Tuesday, with minimum
humidities in the low 20s. Sunday afternoon through Tuesday
afternoon, there is a 30% chance each day of minimum humidities
below 20%. Sunday and Labor Day, there is a less than 5% chance
of any showers or thunderstorms.

Late Tuesday into early Wednesday, a weak cold front will drop
from the north through the site, increasing afternoon minimum
humidities into the upper 20s to low 30s for Wednesday and
Thursday afternoon and decreasing high temperatures a few
degrees. At this time, no strong winds are expected with the
frontal passage, but this will be something to watch.

.TONIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
Chance of lightning.2 percent.
Min temperature.....39-43.
Max humidity........60-64 percent.
Wind (20 ft)........
 Slope/valley.......North winds 5 to 10 mph with gusts to around
                    20 mph in the evening becoming light.
 Ridgetop...........North around 10 mph.
Mixing height.......7900 ft AGL early in the evening decreasing to
                    600 ft AGL overnight.
Transport winds.....North around 10 mph.

.SUNDAY...

Sky/weather.........Sunny.
CWR.................0 percent.
Chance of lightning.1 percent.
Max temperature.....68-72.
Min humidity........20-24 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming northwest 5 to 8 mph in
                    the afternoon.
 Ridgetop...........Northwest around 10 mph.
Mixing height.......700 ft AGL early in the morning increasing to
                    10000 ft AGL in the afternoon.
Transport winds.....Northwest around 10 mph.

.SUNDAY NIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....41-45.
Max humidity........48-52 percent.
Wind (20 ft)........
 Slope/valley.......Northeast winds 5 to 8 mph.
 Ridgetop...........Northeast around 10 mph.
Mixing height.......8900 ft AGL early in the evening decreasing to
                    500 ft AGL overnight.
Transport winds.....Northeast around 5 mph.

.LABOR DAY...

Sky/weather.........Sunny.
CWR.................0 percent.
Chance of lightning.1 percent.
Max temperature.....70-74.
Min humidity........19-23 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming south 5 to 10 mph in
                    the afternoon.
 Ridgetop...........South around 10 mph.
Mixing height.......200 ft AGL early in the morning increasing to
                    10600 ft AGL in the afternoon.
Transport winds.....South around 5 mph.

$$
Forecaster...Archer
Requested by...Joe Domitrovich
Type of request...WILDFIRE
.TAG 2520413.10/BYZ
.DELDT 08/30/25
.FormatterVersion 2.0.0
.EMAIL joseph_domitrovich@firenet.gov