FNUS75 KBYZ 221430
FWSBYZ

Spot Forecast for Cowen...MT-BDC
National Weather Service Billings MT
830 AM MDT Sat Aug 22 2026

Forecast is based on forecast start time of 0800 MDT on August 22. 
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...

Mostly cloudy skies with SW winds are expected today with showers
and thunderstorms around all day. The chance for thunderstorms 
increases this afternoon and evening. While the storms will be hit
and miss, lightning could be visible from the incident site from
1200 through 2400 MDT. The chance for storms decreases overnight 
along with cloud cover. Sunrise Sunday will be mostly sunny before
cloudy skies make a quick return. Winds on Sunday will be 
stronger out of the SW with gusts up to 30 mph possible. The 
thunderstorms on Sunday could produce very strong and erratic wind
gusts in excess of 60 mph. The greatest risk for thunderstorms 
and the associated winds on Sunday will be between 1300 and 
1800 MDT. WMR 

.TODAY...

Sky/weather.........Mostly cloudy. Chance of showers and 
                    thunderstorms increasing through the day.
CWR.................30 percent. 
Chance of lightning.40 percent. 
Max temperature.....59-64. 
Min humidity........30-35 percent. 
Wind (20 ft)........ 
 Slope/valley.......Southwest winds 10 to 15 mph. Gusty and erratic 
                    winds expected near thunderstorms. 
 Ridgetop...........Southwest around 15 mph. Gusty and erratic 
                    winds expected near thunderstorms.
Mixing height.......Increasing to 5500 ft AGL in the afternoon. 
Transport winds.....Southwest around 15 mph. 

.TONIGHT...

Sky/weather.........Mostly cloudy. Chance of showers and 
                    thunderstorms in the evening, gradually 
                    decreasing overnight
CWR.................30 percent. 
Chance of lightning.40 percent. 
Min temperature.....48-52. 
Max humidity........75-80 percent. 
Wind (20 ft)........ 
 Slope/valley.......West-southwest winds 15 to 20 mph. Gusty and 
                    erratic winds expected near thunderstorms. 
 Ridgetop...........West around 20 mph. Gusty and erratic winds 
                    expected near thunderstorms. 
Mixing height.......Decreasing to 400 ft AGL overnight. 
Transport winds.....West around 20 mph. 

.SUNDAY...

Sky/weather.........Mostly Cloudy. Chance of showers and 
                    thunderstorms in the afternoon. 
CWR.................30 percent. 
Chance of lightning.40 percent in the afternoon. 
Max temperature.....58-63. 
Min humidity........30-40 percent. 
Wind (20 ft)........ 
 Slope/valley.......West-southwest winds 15 to 20 mph with gusts to 
                    around 30 mph. Gusty and erratic winds expected 
                    near thunderstorms. 
 Ridgetop...........West-southwest around 30 mph. Gusty and erratic 
                    winds expected near thunderstorms.
Mixing height.......Increasing to 9700 ft AGL in the afternoon. 
Transport winds.....West around 25 mph. 

$$
Forecaster...Mckeown-Robbie/Palmquist
Requested by...Amber Olson
Type of request...WILDFIRE
.TAG 2620195.1/BYZ
.DELDT 08/22/26
.FormatterVersion 2.0.0
.EMAIL mtbdc@firenet.gov,forrester.white17@gmail.com