Advisory Archive
Last night a trace of snow fell with light winds out of the southwest to west. Mountain temperatures rose to the single digits yesterday before dropping to -10F this morning. Under mostly sunny skies temperatures will warm to a few degrees above zero and fall to -15F early tomorrow morning. Winds will remain light and no new snow is expected in the next 24 hours, but Thursday night into Friday looks promising for snowfall and warmer temperatures.
Last night Bridger Bowl picked up 4 inches of snow while the rest of our area got a trace to an inch. Winds are blowing lightly out of the southwest at 10-15 mph and mountain temperatures are zero to -8F. Partly cloudy skies will become mostly cloudy this afternoon as temperatures warm into the high single digits. Tonight, scattered snow showers will amount to an inch with temperatures falling to at least -10F. Winds will remain light out of the SW to NW. Subzero temperatures are forecasted through Thursday morning, so wear your balaclava and fill up your thermos if you head into the mountains. It feels like Montana again.
Over the past 24 hours the mountains near Cooke City received 14” of new snow, with reports of over 2 feet since Saturday. The mountains near West Yellowstone and south of Big Sky got 8-12” of new snow, the Hyalite area received 7”, Big Sky got 3-5”, and the Bridger Range got 2-3”. Wind has been out of the west-northwest with speeds blowing 15-25 mph and gusts between 35 and 50 mph. Temperatures this morning are in the single digits F and will reach the low teens F today. Wind will remain out of the west-northwest with speeds between 10-20 mph. The mountains could get another 2-4 inches of snow before skies clear this afternoon.
Since yesterday morning the mountains near Cooke City received 5 inches of snow, 2-3 inches fell near Big Sky and West Yellowstone, and no snow fell in the mountains around Bozeman. Winds have been out of the west-southwest at 20 mph with gusts up to 45 mph. Temperatures this morning are in the teens F and will reach the high 20s F today. Expect strong wind today with speeds greater than 30 mph out of the southwest. By tomorrow morning the mountains will receive 6 to 10 inches of new snow near Bozeman and Big Sky, and up to a foot of new snow is expected in the southern mountains.
Overnight a fast moving storm dropped 1-2 inches in the mountains across the advisory area. At 5 a.m. temperatures range from the single digits to mid-teens F. Winds are blowing 15-25 mph out of the W-SW with stronger gusts recorded around Hyalite and Big Sky. Today, scattered snow showers are possible, but no real accumulation is expected. Temperatures will warm into the upper teens to mid-20s F and winds will continue to blow 15-30 mph out of the W-NW. An active weather pattern moves into the area tonight through Monday. Widespread snow showers develop by Sunday afternoon and significant accumulation is likely by Monday morning.
A favorable northwest flow produced heavy snow in the northern mountains. The Bridger Range and Northern Gallatin Range (Hyalite) are reporting 8-12 inches overnight with higher amounts likely at upper elevations. The mountains around Big Sky (northern Madison Range) picked up 3-5 inches. The mountains around Cooke City and West Yellowstone were not favored by this storm. These areas picked up a trace to 1 inch. At 5 a.m. snow is tapering off and temperatures range from the single digits to low teens F. Winds are blowing 5-15 mph out of the W-NW. Today, skies will gradually clear and highs will warm into the teens to mid-20s F. Winds will remain light to moderate out of the W-NW. No significant snowfall is expected today, but snow showers could redevelop by tomorrow morning.
Over the past 24 hours 3-5 inches of snow fell in the mountains around Bozeman and Big Sky. The mountains around West Yellowstone and Cooke City picked up 1-2 inches. At 5 a.m. temperatures are in the teens F and winds are blowing 10-15 mph out of the W-NW. Today, highs will warming into the 20s under mostly cloudy skies and winds will remain light to moderate out of the W-NW. Light snow showers are expected throughout the day and the mountains should pick up an additional 1-3 inches by tomorrow morning. A weak ridge of high pressure builds over the area tomorrow, but another storm is expect to impact the area Sunday and Monday.
Early yesterday morning, lingering snow showers dropped 2” in the Bridger Range and a trace to 1” elsewhere. At 5 a.m. under clear skies, temperatures are colder in the north (single digits) than the south (teens). Winds are SW-NW at 10-15 mph. Later this afternoon a NW flow will bring clouds and scattered snow showers lasting through Thursday. By Friday morning 3-5” are expected in the mountains.
In the last 24 hours Hyalite and Big Sky picked up 5-6” of new snow with 3-4” falling in other areas. At 5 a.m. skies are cloudy and mountain temperatures are in the single digits to low teens. Ridgetop winds are blowing N-NW at 15-20 mph and gusting into the 40s around Cooke City. Snow showers this morning will drop another inch with temperatures climbing toward 20F and winds remaining NW at 20-30 mph.
At 6 a.m. it’s snowing in the mountains. So far Big Sky and the Yellowstone Club have 7-10” with 5” outside West Yellowstone and 3” everywhere else. Mountain temperatures are in the low to mid-teens and winds are out of the southwest to northwest at 15-20 mph. Snowfall will continue and winds will increase today and tonight. By the time the storm will ends tomorrow I estimate another 10” will fall around Big Sky and 4” everywhere else.
