Advisory Archive

In the last 24 hours the mountains around Bozeman, Big Sky and Cooke City picked up 5-7” of new snow. South of Big Sky to West Yellowstone and Island Park 2-3” fell. This morning under clear skies mountain temperatures are in the low teens and wind is blowing westerly at 10 mph with gusts to 20 mph. Today will be sunny and temperatures will warm to the high 20s F with light westerly wind.

This morning the mountains have a 1-4” of new snow, temperatures are teens to 20s F, and wind is westerly at 10-20 mph with gusts to 40 mph. Today, temperatures will be teens to mid-20s F with west-northwest wind at 15-25 mph and gusts to 35 mph. Snow will continue through today with 4-7” near Bozeman and Big Sky and 1-2” in the southern areas.

On Sunday morning, skies are clear, temperatures are 10-20F and wind is 15-25 mph from the southwest to northwest. There’s no new snow to report and we don’t expect any until maybe Wednesday. High pressure dominates and wind will be light with mountain temperatures settling into the high 20s.

On Saturday morning, winds are 15-25 mph with gusts of 25-40 mph from the west to northwest. Temperatures are in the single digits to teens F. In most areas it snowed a few inches Tuesday and Wednesday, but has been dry since. Lower elevations in Hyalite got a surprising 13” of low density snow on Wednesday night. Temperatures will rise into the teens and 20s F today with sunny skies. Winds will be moderate and westerly. No snow is expected through the weekend.

On Tuesday morning, mountain temperatures are in the single digits to teens F with 10-20 mph winds from the west to northwest. The mountains received 1-3” of new snow except in the Big Sky and Hyalite Canyon where 4-6” fell.

High temperatures for the next couple of days will be in the 20s F with 5-15 mph winds from the west to northwest. Flurries will continue today around Big Sky and Cooke City with an inch of accumulation. A storm arriving Wednesday will bring 5-6” to the mountains around Cooke City, Big Sky and Bozeman and a trace to 1” near West Yellowstone.

On Thursday the Bridger Range received up to 4” of low density snow, otherwise no snow fell in the mountains over the last two days. Wind has been westerly at 5-20 mph with gusts to 35 mph. This morning temperatures are teens to low 20s F. Temperatures will reach mid to high 20s F today, and reach teens to low 20s F the next few days. Wind will be 5-25 mph out of the west-southwest today, and will shift northerly on Sunday and Monday. Snow is possible Monday night with around an inch expected.

Since Tuesday morning the mountains received 10-12” around West Yellowstone and Cooke City, and  1-4” near Big Sky and Bozeman. Strong east winds on Tuesday shifted west and south yesterday, calming to 10-15 mph with gusts of 25-35 mph this morning. Temperatures will remain chilly with highs only reaching the teens and 20s F through the weekend. Winds will remain moderate and generally westerly for the next few days. An inch or two of snow are possible around West Yellowstone today before conditions turn dry until at least the middle of next week.

Since yesterday morning the mountains received 7-10” of new snow with the highest amounts near Big Sky, West Yellowstone and Cooke City. Yesterday, wind was south to southwest at 15-25 mph with gusts of 40-60 mph, and today wind has lessened to 10-15 mph with gusts of 20-35 mph. Temperatures will reach high 20s to low 30s today, except near Bozeman where they will remain in the teens to low 20s F. Over the next couple days, temperatures will gradually cool to single digits and near zero F by Thursday, and winds will be light to moderate and generally out of the south to east. More snow is expected tonight with 3-7” by morning and another 2-4” during the day tomorrow.

In the last 24 hours the mountains around West Yellowstone and Cooke City received 10” of snow, and it’s still snowing. Areas around Big Sky, Hyalite and the Bridger Range got 2-3”. Wind is averaging 15-30 mph with gusts hitting 50. It is blowing out of the SE in the Bridger Range and SW-W everywhere else. Today, expect another inch or two in the northern areas and 6” in the southern mountains. Winds will remain strong with temperatures in the 20s F. A little snowfall Sunday night will turn into a snowstorm on Monday. Stay tuned, and in the meantime put fresh batteries in your beacon, test your airbag and dust off your helmet. Winter’s footsteps are getting louder.

Winter returned yesterday after a mild week. The mountains near Big Sky and Bozeman received 4-7” of snow with 1-3” near West Yellowstone and Cooke City. Winds are 5-15 mph from the west to northwest and temperatures are in the teens F. Lingering snow showers will exit the area this morning and winds be 5-10 mph from the north to the west with temperatures in the teens to 20s F. Another storm arrives on Friday with a snowy and cool week projected.

For current weather data, check our weather stations in Cooke City, Hyalite, Lionhead and on Sawtelle Peak near Island Park, ID. Also, utilize the ski area weather stations from the Yellowstone Club, Big Sky and Bridger Bowl, and SNOTEL sites throughout our advisory area. We will also update the Weather and Avalanche Log daily throughout the fall.