040
FNUS75 KBYZ 081351
FWSBYZ

Spot Forecast for Robinson Springs...USFS
National Weather Service Billings MT
751 AM MDT Tue Sep 8 2026

Forecast is based on forecast start time of 0800 MDT on September 08.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...

Gusty winds are forecast today with speeds reaching into the 30s
mph range. A few gusts up to 40 mph cannot be ruled out on the
more exposed ridges. Winds will gradually taper off over the next
36 hours with a brief lull below the thermal inversion overnight
tonight. A stray shower or thunderstorm (10-20% chance) is
possible between 1600 and 2000 MDT this afternoon and evening.
Wednesday will be drier with RH values easily dipping into the
teens during the day, breezy westerly winds are forecast yet again
Wednesday. Looking ahead, dry conditions linger into Thursday and
winds gusts are forecast to increase once again. WMR

.TODAY...

Sky/weather.........Mostly sunny. A stray shower or thunderstorm is
                    possible in the afternoon
CWR.................Less than 10 percent.
Chance of lightning.15 percent.
Max temperature.....63-67.
Min humidity........23-27 percent.
Wind (20 ft)........
 Slope/valley.......West winds 10 to 15 mph. Gusts up to 25 mph in
                    the afternoon.
 Ridgetop...........West between 25 and 35 mph.
Mixing height.......Increasing to 7200 ft AGL in the afternoon.
Transport winds.....West around 30 mph.

.TONIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....43-47.
Max humidity........48-58 percent.
Wind (20 ft)........
 Slope/valley.......West winds 5 to 10 mph. Gusts up to 20 mph in
                    the evening.
 Ridgetop...........West winds 20 to 30 mph.
Mixing height.......Decreasing to 500 ft AGL overnight.
Transport winds.....West around 25 mph.

.WEDNESDAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....70-75.
Min humidity........13-17 percent.
Wind (20 ft)........
 Slope/valley.......West-northwest winds 10 to 15 mph. Gusts up to 20
                    mph in the afternoon.
 Ridgetop...........West-northwest winds 15 to 25 mph.
Mixing height.......Increasing to 7900 ft AGL in the afternoon.
Transport winds.....West around 20 mph.

$$
Forecaster...Mckeown-Robbie/Archer
Requested by...David Marshall
Type of request...WILDFIRE
.TAG 2621417.0/BYZ
.DELDT 09/08/26
.FormatterVersion 2.0.0
.EMAIL mtbdc@firenet.gov,eldo.fossness@usda.gov