957
FNUS75 KBYZ 292358
FWSBYZ

Spot Forecast for West Fork...USFS
National Weather Service Billings MT
558 PM MDT Fri Aug 29 2025

Forecast is based on forecast start time of 1800 MDT on August 29.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...

A low chance (less than 10%) for showers or a weak thunderstorm
continues through midnight tonight. Then, conditions will trend dry
into next week. The chance for an afternoon/early evening shower or
thunderstorm Saturday has decreased slightly (10% chance). Breezy
conditions have become more likely for Saturday, with gusts up to
around 20 mph expected in the afternoon through early evening,
although there is a 10% chance of a gust higher than 30 mph between
1400 to 2000 MDT Saturday.

Sunday and Monday are expected to see the lowest late day minimum
humidities in the next few days, in the low to mid 20s, as
conditions trend drier. There is currently a less than 5% chance
of showers or thunderstorms either day. By Monday, high temperatures
will be in the low 70s. Tuesday may see conditions similar to Monday,
but atmospheric moisture will begin to increase, allowing a low
chance (10%) for afternoon/evening showers and thunderstorms.

.TONIGHT...

Sky/weather.........Partly cloudy. Slight chance of rain showers
                    through the night.
CWR.................Less than 5 percent.
Chance of lightning.9 percent.
Min temperature.....37-41.
Max humidity........83-87 percent.
Wind (20 ft)........
 Slope/valley.......West winds 5 to 10 mph in the evening becoming
                    light.
 Ridgetop...........Northwest around 10 mph.
Mixing height.......7000 ft AGL early in the evening decreasing to
                    600 ft AGL overnight.
Transport winds.....Northwest around 10 mph.

.SATURDAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
Chance of lightning.6 percent.
Max temperature.....63-67.
Min humidity........28-32 percent.
Wind (20 ft)........
 Slope/valley.......North winds 5 to 10 mph. Gusts up to 20 mph
                    in the afternoon.
 Ridgetop...........Northwest around 20 mph.
Mixing height.......700 ft AGL early in the morning increasing to
                    8600 ft AGL in the afternoon.
Transport winds.....Northwest around 10 mph.

.SATURDAY NIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
Chance of lightning.2 percent.
Min temperature.....38-42.
Max humidity........59-63 percent.
Wind (20 ft)........
 Slope/valley.......North winds 5 to 10 mph in the evening with
                    gusts up to 20 mph becoming light.
 Ridgetop...........Northwest around 10 mph.
Mixing height.......7600 ft AGL early in the evening decreasing to
                    500 ft AGL overnight.
Transport winds.....Northwest around 10 mph.

.SUNDAY...

Sky/weather.........Sunny.
CWR.................0 percent.
Chance of lightning.2 percent.
Max temperature.....67-71.
Min humidity........22-26 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming west 5 to 8 mph in the
                    afternoon.
 Ridgetop...........Northwest around 10 mph.
Mixing height.......300 ft AGL early in the morning increasing to
                    9700 ft AGL in the afternoon.
Transport winds.....Northwest around 5 mph.

$$
Forecaster...Archer
Requested by...Joe Domitrovich
Type of request...WILDFIRE
.TAG 2520413.9/BYZ
.DELDT 08/29/25
.FormatterVersion 2.0.0
.EMAIL joseph_domitrovich@firenet.gov