290
FNUS75 KBYZ 200214
FWSBYZ

Spot Forecast for West Fork...Billings Interagency Dispatch Center
National Weather Service Billings MT
814 PM MDT Tue Aug 19 2025

Forecast is based on forecast start time of 2000 MDT on August 19.
If conditions become unrepresentative...contact the National Weather
Service.

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

...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT WEDNESDAY...

.DISCUSSION...

Very poor relative humidity recoveries are expected tonight. Hot
and dry conditions are expected tomorrow with chances (15%) for
showers and thunderstorms in the afternoon and evening. This
combined with winds gusting near 30 mph will lead to Red Flag
conditions. Cold front arrives Wednesday night bringing cooler
temperatures and good relative humidity recoveries. Current
frontal timing looks to be between 9 PM and midnight Wednesday
night. Torgerson

.REST OF TONIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....52-56.
Max humidity........25-29 percent.
Wind (20 ft)........
 Slope/valley.......South winds 7 to 11 mph with gusts to 17 mph.
 Ridgetop...........Southwest around 15 mph.
Mixing height.......Decreasing to 1100 ft AGL overnight.
Transport winds.....South around 13 mph.

.WEDNESDAY...

Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms
in the afternoon.
CWR.................6 percent.
Chance of lightning.15 percent.
Max temperature.....75-79.
Min humidity........12-16 percent.
Wind (20 ft)........
 Slope/valley.......South winds 8 to 15 mph. Gusts up to 25 mph in
                    the afternoon.
 Ridgetop...........Southwest around 25 mph.
Mixing height.......Increasing to 11300 ft AGL in the afternoon.
Transport winds.....Southwest around 25 mph.

.WEDNESDAY NIGHT...

Sky/weather.........Mostly clear. Slight chance of showers and thunderstorms
in the evening.
CWR.................5 percent.
Chance of lightning.15 percent.
Min temperature.....41-45.
Max humidity........74-78 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds decreasing to 5 to 10 mph after 12 AM.
 Ridgetop...........Northwest around 10 mph.
Mixing height.......Decreasing to 1000 ft AGL overnight.
Transport winds.....North around 10 mph.

$$
Forecaster...Torgerson
Requested by...Emilja Gjini
Type of request...WILDFIRE
.TAG 2520273.0/BYZ
.DELDT 08/19/25
.FormatterVersion 2.0.0
.EMAIL mtbdc@firenet.gov