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FNUS75 KBYZ 061147
FWSBYZ

Spot Forecast for East Side Fire...Carbon County MT
National Weather Service Billings MT
547 AM MDT Wed May 6 2026

Forecast is based on forecast start time of 0700 MDT on May 06.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...
Today will be dry and warmer with terrain-driven winds. Afternoon
RHs are expected to fall to the 20s. Look for downvalley winds to
increase tonight ahead of the next weather system, with gusts of
25-30 mph late tonight into Thursday morning. This system will
bring a jump in humidities and scattered showers tomorrow. An
afternoon weak thunderstorm is also possible. Snow levels on
Thursday will climb to near 9000 feet, but the shower activity may
obscure the mountain tops at times.

.TODAY...

Sky/weather.........Sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....48-52.
Min humidity........22-26 percent.
Wind (20 ft)........
 Slope/valley.......Downslope/downvalley 3-7 mph early, becoming
                    north 6-12 mph by 11am. Afternoon gusts to
                    18 mph.
 Ridgetop...........West to northwest 15-20 mph gusting to 25 mph.
Mixing height.......Increasing to 4500 ft AGL in the afternoon.
Transport winds.....Northwest 13 mph.

.TONIGHT...

Sky/weather.........Increasing clouds. Isolated showers overnight.
                    Snow level 8500 feet.
CWR.................Less than 5 percent.
Chance of lightning.5 percent.
Min temperature.....38-42.
Max humidity........54-58 percent.
Wind (20 ft)........
 Slope/valley.......North 8-14 mph until sunset, then southwest
                    to west 10-20 mph. Gusts to 25 mph overnight.
 Ridgetop...........West to northwest 20-30 mph.
Mixing height.......Decreasing to 700 ft AGL overnight.
Transport winds.....West 15 mph.

.THURSDAY...

Sky/weather.........Mostly cloudy. Scattered rain showers. Isolated
                    thunderstorms in the afternoon. Erratic wind
                    gusts possible near storms. Snow level 9000
                    feet.
CWR.................20 percent.
Chance of lightning.20 percent.
Max temperature.....52-56.
Min humidity........36-40 percent.
Wind (20 ft)........
 Slope/valley.......West to northwest 10-20 mph gusting to 25 mph
                    in the morning, becoming north 10-18 mph in
                    the afternoon.
 Ridgetop...........Northwest 15-25 mph.
Mixing height.......Increasing to 7500 ft AGL in the afternoon.
Transport winds.....Northwest 20 mph.

$$
Forecaster...Lester
Requested by...Billings Dispatch
Type of request...WILDFIRE
.TAG 2611877.8/BYZ
.DELDT 05/06/26
.FormatterVersion 2.0.0
.EMAIL douglas.zimmer@usda.gov,callen@carbonmt.gov,mtbdc@firenet.gov