441
FNUS75 KBYZ 212250
FWSBYZ

Spot Forecast for Ten Fire...Wildland Fire Service
National Weather Service Billings MT
450 PM MDT Fri Aug 21 2026

Forecast is based on forecast start time of 1700 MDT on August 21.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...

Dry with breezy northeast winds through sunset. Winds turn
easterly tonight and will remain breezy, especially over higher
exposed locations. Expect RH recoveries near 70% tonight. Winds
continue to shift to the southeast by Saturday morning. Expect
gusts to 25 mph in the afternoon. Southeast breeze will bring
slightly cooler temperatures and higher MinRH values Saturday.
Isolated showers thunderstorms possible by 4pm Saturday, with
scattered showers and thunderstorms by evening. Storms will be wet
but may still produce wind gusts around 50 mph through Saturday
evening. Chambers

.REST OF TODAY...

Sky/weather.........Sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....88-92.
Min humidity........18-22 percent.
Wind (20 ft)........
 Slope/valley.......Northeast winds 6 to 12 mph gusting to 20 mph.
 Ridgetop...........Northeast around 12 mph.
Mixing height.......7600 ft AGL.
Transport winds.....Northeast around 15 mph.

.TONIGHT...

Sky/weather.........Partly cloudy.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....61-66.
Max humidity........65-70 percent.
Wind (20 ft)........
 Slope/valley.......East winds 5 to 12 mph gusting to 18 mph.
 Ridgetop...........East around 15 mph.
Mixing height.......500 ft AGL overnight.
Transport winds.....East around 16 mph.

.SATURDAY...

Sky/weather.........Partly sunny. Slight chance of showers and
                    thunderstorms (20%) in the afternoon (after 4pm).
CWR.................8 percent.
Chance of lightning.20 percent.
Max temperature.....85-90.
Min humidity........31-36 percent.
Wind (20 ft)........
 Slope/valley.......Southeast winds 8 to 16 mph gusting to 25 mph
                    in the afternoon. Gusty and erratic
                    winds expected near thunderstorms in the
                    afternoon.
 Ridgetop...........Southeast around 17 mph.
Mixing height.......6500 ft AGL in the afternoon.
Transport winds.....Southeast around 17 mph.

$$
Forecaster...Chambers
Requested by...Jonathan Mantello
Type of request...WILDFIRE
.TAG 2620063.1/BYZ
.DELDT 08/21/26
.FormatterVersion 2.0.0
.EMAIL mtmcc@firenet.gov