Advisory Archive

Before the storm ended yesterday another 1-3” fell in the mountains, except West Yellowstone. Wind decreased overnight and is averaging 5-15 mph out of the west with gusts of 28 mph (NE at Lionhead). Skies will be mostly sunny today and temperatures will rise from this morning's low of 10-15 F into the mid-30s with light westerly wind. No snow is expected until Sunday.

WET SNOW AVALANCHE DANGER: With today’s mountain temperatures forecasted to be above freezing, shallow, wet loose avalanches may be numerous on slopes getting sunshine.

In the last 24 hours the Bridger Range picked up 6” of dense snow while the rest of our forecast area received 3-5”. Wind is blowing westerly at 10-15 mph with gusts of 35 mph under mostly cloudy skies. Mountain temperatures are in the low to mid 20s F. Pulses of snow showers will continue today and drop another inch by this evening. Wind will be 10-20 mph out of the west as temperatures rise into the high 20s this afternoon. Skies will clear tonight.

This morning, mountain temperatures are in the high teens to high 20s F with 15-25 mph winds from the west to southwest and the Lionhead area received 2” of new snow. Today, temperatures will reach the mid 30s to mid 40s F with 15-25 mph winds from the southwest. Snowfall will fill in through the afternoon with 3-5” falling by tomorrow morning.

This morning, temperatures are in the teens with 10-20 mph winds from the southwest to northwest. The mountains around Cooke City received 8” of new snow with 3-6” in the mountains near Bozeman, Big Sky and West Yellowstone. Today, high temperatures will in the 30s to low 40s F with 10-20 mph winds from the southwest. The next chance for snow will come tomorrow afternoon.

As snowfall ended yesterday morning the mountains near West Yellowstone and Cooke City got 1” of snow. This morning temperatures are teens to 20s F and low 30s F in the Bridger Range. Wind has been southwest at 15-25 mph with gusts of 25-55 mph. Today, temperatures will reach high 20s to low 30s F with continued moderate to strong southwest wind, and snow showers will favor Cooke City and West Yellowstone with 3-5” and 1-2” elsewhere.

Since yesterday morning, there are 1-2” of new snow around Bozeman, with 2-4” around Big Sky, West Yellowstone and Cooke City. Temperatures this morning are in the 20s F. Winds are 15-25 mph out of the west with gusts of 35-55 mph. Gusts in Hyalite hit 68 mph. Strong west winds will continue today. High temperatures will reach the low 40s F in the north staying in the 20s F in the south. Skies will clear this morning with the next chance of snow arriving during the day tomorrow.

There is no new snow to report this morning. Temperatures are in the single digits F. Winds are blowing 15-20 mph out of the west with gusts of 25-35 mph. Winds will increase slightly out of the west to southwest this afternoon. Skies will be partly cloudy with high temperatures in the teens and 20s F. A trace to two inches of snow are possible tonight.

There’s no new snow this morning, just mountain temperatures of -15F. Wind is currently from the west to north and strongest in the Bridger Range (gusts of 42 mph) and Hyalite (gusts of 27 mph). The rest of the forecast area has 10-20 mph W-N wind. Wind is expected to stay the same as mountain temperatures touch the teens. Clear skies will become cloudy and tonight a trace to 1” of snow may fall.

Yesterday afternoon the storm ended and the mountains from Big Sky to West Yellowstone received another 4” with 1-2” falling everywhere else. This morning under mostly clear skies mountain temperatures are -10F to -15F with light north to east wind averaging 5-10 mph. Lionhead is showing gusts of 27 mph. No new snow is expected today and temperatures will rise into the single digits with light E-N wind switching westerly later today.

This morning temperatures are in the single digits F with 5-15 mph winds from the northwest to southwest. There is 3-5” of new snow in the mountains around Bozeman, Big Sky and West Yellowstone and 1” in the mountains near Cooke City. Today, temperatures will be in the mid-teens F with 10-15 mph winds from the northwest. Continued snowfall will bring 3-5” across the advisory area by morning.