A Winter Weather Advisory is in effect from 9 p.m. Monday to 6 a.m. MDT Tuesday for the Gallatin and Madison County Mountains and Centennial Mountains in southwest Montana.
2 to 5 inches of snow are expected, with winds gusting as high as 40 mph.
NWS Great Falls issued the advisory at 3:19 a.m. MDT Monday.
Roads, and especially bridges and overpasses, will likely become slick and hazardous.
Where the Advisory Applies
The advisory covers the Gallatin and Madison County Mountains and Centennial Mountains.
That includes Raynolds Pass, Targhee Pass, West Yellowstone and Big Sky.
What to Expect
When: 9 p.m. Monday to 6 a.m. MDT Tuesday.
Snow: total accumulations of 2 to 5 inches.
Winds: gusts as high as 40 mph.
A Pacific weather system brings light snow Monday night into Tuesday.
Accumulating snow will mostly stay in the mountains of southwest Montana and along the Continental Divide.
Be alert for snow-covered roadways at higher elevations, particularly over the passes.
Fog Before the Snow
Dense fog continues to affect southwest Montana through Monday morning.
At 2 a.m., fog was reported around West Yellowstone, Big Hole Pass, Boulder, Elk Park and Bozeman.
Visibility has been below a quarter mile at times, and some roads could be slippery from frost.
Read full article: Hazardous Winter Weather Advisory Issued for 2 Counties in Montana
The post “Hazardous Winter Weather Advisory Issued for 2 Counties in Montana” by Viktor Vincej was published on 10/26/2026 by www.travelinglifestyle.net