Advisory Archive

In the last 24 hours, 1” of new snow fell around Big Sky, 2” in the southern Gallatin and Madison Ranges and 4-6” around West Yellowstone and Island Park. Temperatures at 6 a.m. are in the 20s F with SW-SE wind at 10-15 mph, gusting to 30 mph. It will snow today and the wind will remain steady. By morning, West Yellowstone and Island Park will have 6-8” of new snow with 1-3” everywhere else.

Yesterday the mountains near Island Park received 3-5” of new snow and 1-2” fell elsewhere. Overnight, wind increased out of the south-southwest at 15-35 mph with gusts of 35-68 mph. Wind will continue from the south-southwest at 10-20 mph with gusts to 35 mph. Temperatures are teens to mid-20s F this morning, and today will reach high 20s to mid-30s F. Snow is falling near West Yellowstone and Island Park and will continue through today. By tomorrow morning the mountains near Bozeman, Big Sky and Cooke City might get 1-3”. Near West Yellowstone 4-8” are possible with 10-16” near Island Park.

Since yesterday morning the mountains received 3-6” of new snow. Wind has been 5-15 mph out of various directions, ranging from northwest to west to southeast. Temperatures are teens to mid-20s F this morning, and today will reach mid to high 20s F. Wind will be 5-10 mph from the southeast to southwest, and this evening will increase to 10-20 mph from the southwest. Snowfall will taper this morning with another 2-4” possible near West Yellowstone and Island Park and 1-2” elsewhere. Another round of snow will arrive early tomorrow morning.

It’s starting to snow. Only a trace up to two inches have fallen so far, but it’s supposed to keep snowing today. By nightfall two to five more inches will fall. Temperatures are in the 20s F and low 30s F. Temperatures today won’t rise much, they may even drop a few degrees through the day. Winds are light at 5-10 mph out of the southwest to west this morning and will continue similarly today. Another couple inches of snowfall tonight will bring snow total up to 4-8” by tomorrow morning.

Mountain temperatures are a few degrees above or below freezing this morning under cloudy skies. Winds are 10-20 mph out of the southwest to southeast, with gusts of 30-50 mph. High temperatures today will reach the 40s F in the Bridger Range and 30s F elsewhere. Winds will diminish a little today and stay generally southerly. There has been no precipitation yet, but it is expected to start snowing today in the southern regions and everywhere else by tonight. Expect a trace to 3 inches by daybreak tomorrow, with snowfall continuing through the weekend.

Clear skies and warm weather will continue today. Last night did not freeze in the Bridger Range, but Hyalite and Big Sky did, barely. Wind out of the west to southwest is averaging 15-25 mph with gusts of 48 mph. Daytime temperatures will reach into the mid to upper 40s F in the north and mid to upper 30s in the south. No new snow is expected overnight, but this weekend Winter will return after her quick beach vacation to Cabo.

Under clear skies, last night’s low temperatures remained above freezing in the Bridger Range, upper elevations of Hyalite and Big Sky. Wind is W-SW at 10-20 mph with gusts of 43 mph in Island Park. Today will be breezy, sunny and temperatures reaching the mid-40s F in the north and high 30s F in the southern mountains.

Low temperatures for the night were above freezing across the advisory area other than Cooke City, where the Fisher Creek SNOTEL is at 23 degrees F. Winds are 5-15 mph from the west to the south. Today, temperatures will climb into the 40s F with 50 F in the Bridger Range and sunny skies.

Mountain temperatures are in the high 20s F this morning, except in the Bridger Range, where they are in the low to mid-30s F. Winds are 5-15 mph from the west to northwest, and the mountains around West Yellowstone and Island Park got one inch of snow mixed with a drizzle of rain. Today, temperatures will be in the mid to upper 30s F with mid-40s in the Bridger Range and 5-10 mph winds from the west to southwest. Skies will be mostly sunny around Bozeman and Big Sky and will clear through the day around West Yellowstone, Island Park, and Cooke City.

This morning there is no new snow. Temperatures are high 20s to low 30s F. Wind is westerly at 5-20 mph with gusts of 20-40 mph. Today will be mostly cloudy in the southern ranges to mostly sunny near Bozeman. Temperatures will reach mid-30s F most places and 40 F in the Bridger Range. Wind will be west-northwest at 15-30 mph. A few snowflakes could fall near West Yellowstone, Island Park and Cooke City, but no measurable accumulation is expected.