FNUS75 KBYZ 232317
FWSBYZ

Spot Forecast for Lookout...MT-BDC
National Weather Service Billings MT
517 PM MDT Sun Aug 23 2026

Forecast is based on forecast start time of 1800 MDT on August 23. 
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...

Showers are beginning to form west of Lodge Grass. Showers and 
thunderstorms are possible through 2200 MDT. Some of the 
thunderstorms could be strong to severe with gusts to 60 mph, 
brief heavy rain and lightning. Look for westerly winds this 
evening to shift to the southwest and decrease overnight. Moderate
RH recoveries can be expected. Monday will bring slightly
cooler conditions and north winds.

.TONIGHT...

Sky/weather.........Partly cloudy. Scattered showers and isolated 
                    thunderstorms through 2200 MDT. Some thunderstorms 
                    could be severe.
CWR.................16 percent. 
Chance of lightning.20 percent. 
Min temperature.....60-65. 
Max humidity........59-65 percent. 
Wind (20 ft)........ 
 Slope/valley.......West winds 8 to 16 mph in the evening with gusts
                    up to 25 mph through 2100 MDT. Becoming
                    southwest 5 to 10 mph overnight. Gusty and 
                    erratic winds expected near thunderstorms. 
 Ridgetop...........West 15 to 25 mph through 2100 MDT, becoming
                    southwest around 10 mph overnight. 
Mixing height.......Decreasing to 500 ft AGL overnight. 
Transport winds.....Southwest to west around 20 mph. 

.MONDAY...

Sky/weather.........Mostly sunny. 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Max temperature.....79-84. 
Min humidity........20-25 percent. 
Wind (20 ft)........ 
 Slope/valley.......North winds 6 to 12 mph. 
 Ridgetop...........North 7 to 15 mph. 
Mixing height.......Increasing to 6100 ft AGL in the afternoon. 
Transport winds.....North to northwest around 15 mph. 

.MONDAY NIGHT...

Sky/weather.........Mostly cloudy. 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Min temperature.....56-60. 
Max humidity........44-49 percent. 
Wind (20 ft)........ 
 Slope/valley.......Northeast winds 4 to 8 mph. 
 Ridgetop...........East to northeast 7 to 14 mph. 
Mixing height.......Decreasing to 400 ft AGL overnight. 
Transport winds.....Northeast around 14 mph.

$$
Forecaster...Palmquist
Requested by...IC for Lookout
Type of request...WILDFIRE
.TAG 2620202.6/BYZ
.DELDT 08/23/26
.FormatterVersion 2.0.0
.EMAIL mtbdc@firenet.gov