Advisory Archive

An inversion continues this morning with cooler temperatures (teens F) in the valleys and warmer temps (high 20s F) at ridgetops. Winds were light yesterday and there has been no new snow. Winds will remain light today and be generally southerly. Temperatures will rise into the high 20s and low 30s F. Snowfall will begin this afternoon in the southern mountains, with 1-2” of new snow by tomorrow morning. The next chance for snow in the northern mountains is Wednesday night.

An inversion continues this morning and temperatures range from teens F in the valleys to low 30s F at ridgetops. Yesterday temperatures reached the high 30s to high 40s F, wind was northerly at 5-15 mph, and there has been no new snow. Today will be mostly clear with temperatures reaching high 30s F and wind out of the west-northwest at 5-15 mph. The next chance for snow is late Tuesday for the southern mountains and early Thursday for the northern ranges.

This morning there is no new snow. Due to an inversion temperatures are high 20s to low 30s F at ridgetops and teens F in the valleys. Wind is 5-15 mph out of the north to northeast. Today, wind will remain 5-15 mph out of the north to northeast with temperatures in the high 20s to low 30s F under mostly clear skies. The next chance for snow is late Wednesday.

High pressure continues to dominate the weather pattern. As a result, strong temperature inversions exist across the forecast area. Currently, the top of Bridger Bowl is ten degrees warmer than the base area. At 5 a.m., mountain temps are in the 20’s F and winds are blowing 5-15 mph out of west-northwest. Today, clear skies and plenty of sunshine will allow temps to warm into the 30’s F and wind will stay light to moderate out of west-northwest. High pressure continues through the weekend.  

Yesterday afternoon, light snow showers dropped a trace to 1” of snow in the mountains around Big Sky. The rest of the forecast area remained dry. At 5 a.m. temps range from the teens to low 20’s F under mostly clear skies. Westerly winds are blowing 5-15 mph with gusts in the Bridger Range breaking 20 mph. Today, temps warm into the upper 20’s to low 30’s F and winds remain light to moderate out of the west. There’s no snow in the forecast as far as the eye can see.

Last night a trace to an inch of snow fell in the Lionhead area. This morning mountain temperatures are in the low 20s F with south to southwest wind blowing 15-20 mph with gusts of 40 mph. Clouds in the southern mountains will clear this afternoon as high pressure brings sunny skies and above normal temperatures for the next 7 days. Today, temperatures will rise into the mid-30s F and winds will shift westerly to 10-20 mph.

This morning there is no new snow to report. Mountain temperatures are in the high 20’s and above freezing (34F) in the Bridger Range from an inversion. Winds are blowing south to southwest at 10-20 mph with gusts of 40 mph. Today will start cloudy and slowly clear with winds remaining moderate from the southwest. Temperatures in the north may reach 40F and stay near freezing elsewhere. West Yellowstone can expect an inch of snow tonight.

Yesterday morning the mountains picked up 1-3” of new snow before snowfall tapered off mid-day. Temperatures this morning are in the single digits to low teens F. Winds are blowing 10-20 mph from the southwest to west in the southern ranges and 15-30 mph with gusts up to 50 mph in the northern ranges. Today, winds will be from the southwest, decreasing slightly in the northern ranges and remaining light in the south. Temperatures will rise into the low 20s F this afternoon. No snowfall is expected today.  

Since yesterday morning the mountains near West Yellowstone and Cooke City got 8-9” of new snow, the Bridger Range got a heavy half inch, and Big Sky got a trace. This morning, temperatures are in the teens F and wind is south to southwest at 25-35 mph with gusts of 45-70 mph. Today wind will shift to west-northwest at 35-45 mph. Temperatures will be teens to low 20s F and drop to the single digits F tonight. Light snowfall will continue this morning and the mountains will get 2-4” with 6” possible near Cooke City by tonight.

At 4 a.m. the mountains near West Yellowstone have 2-4” of new snow with 1” in the southern Madison Range and no new snow elsewhere. Temperatures are high teens to mid-20s F. Wind has been south-southwest at 25-35 mph with gusts of 40-60 mph. Today, temperatures will stay in the teens and 20s F. Wind will be southwest at 25-35 mph with gusts to 40 mph. Snow showers will continue to favor the mountains near West Yellowstone with 2-4” today and 3-5” overnight. By morning the rest of the mountains will have 2-4” near Big Sky and Cooke City, and 1-2” near Bozeman.