Advisory Archive

Winter arrived Tuesday night and over the last two days snow totaled 11-16” in the Bridger Range, 10-12” near West Yellowstone, and 4” near Big Sky, Hyalite and Cooke City. This morning temperatures are single digits above and below zero F. During the storm wind was 5-20 mph with gusts to 30 mph out of the northeast, and this morning wind is northerly at 5-15 mph. Today, temperatures will reach teens F under clearing skies with wind out of the north to northeast at 5-10 mph. On Friday and Saturday, winds will shift westerly and increase to 15-25 mph with temperatures in the 20s F Friday and 30s F through the weekend. The next chance for snow is late Sunday night.

We will update 24-hour snow totals on our regional pages and weather log each morning. Also check our weather stations in Cooke City and Hyalite for hourly temperature and wind data, and find snowfall data via SNOTEL sites throughout our advisory area.

Cold and snowy weather the past week gave the mountains a fresh white coat, but total snow amounts were nowhere near the multiple feet our northern neighbors received (photo). Our advisory area got up to 16” near Cooke City with 6-8” elsewhere (weather log). Temperatures have been high teens to low 30s F. Wind was calm to moderate (5-25 mph) most of the week, and increased this morning with gusts to 30 mph.

Today temperatures will reach low 40s F under mostly sunny skies. Tomorrow afternoon a cold front will bring snow tomorrow night through Saturday morning. The mountains could get 6-12” of snow near Big Sky and Bozeman with 3-6” elsewhere. Wind on Friday and Saturday will be 20-35 mph out of the west-northwest. Temperatures will be 20s-30s F through the weekend, and will reach mid-40s F to start next week under clear skies. The next chance for snow is Tuesday night and Wednesday.

We will update 24 hour snow totals on our regional pages and weather log each morning. Also check our weather stations in Cooke City and Hyalite for hourly temperature and wind data, and find snowfall data via SNOTEL sites throughout our advisory area.

The mountains have a patchy distribution of 4-10” of snow above 8,000’ (photo and weather log). More snow and freezing temperatures are forecast for this weekend and early next week. Temperatures will be in the 40s F on Friday and cool through the weekend to highs in the 20s-30s F and lows in the teens-20s F. By Monday the mountains near Bozeman, Big Sky and Cooke City will have 6-16” of new snow.

Check our weather stations in Cooke City and Hyalite for hourly temperature and wind data, and you can find snowfall data via SNOTEL sites throughout our advisory area.

Spring weather can be highly variable and create a mix of avalanche problems to watch out for. Snow conditions and stability can change drastically from day to day or hour to hour. Anticipate rapid change and plan accordingly. Abundant snowfall over the winter with more spring snow to come makes avalanches possible into summer.

Since Friday the mountains got 10-15” of snow (0.8-1.5” SWE). Yesterday wind was gusty out of the northwest to north at 10-20 mph with gusts of 30-40 mph. This morning temperatures are single digits to low teens F and wind is northeast at 5-15 mph. Today through Wednesday temperatures will reach mid-20s F during the day with low temperatures overnight in the teens F, and wind will be easterly increasing to 20-30 mph tonight. Skies will be mostly clear with increasing clouds this afternoon and 1-2” of snow possible tonight and 3-5” possible Tuesday. The second half of the week will be warmer, drier and mostly sunny. High temperatures will reach 40s F by Thursday with overnight low temperatures in the high 20s to low 30s F next weekend.

Temperatures the past two nights were below or near freezing, 20s to mid-30s F, under mostly clear skies. Since Monday the mountains got a few scattered showers and a couple inches of snow. This morning wind is west-southwest at 10-20 mph, and this weekend wind will be westerly at 15-25 mph. Today temperatures will reach 40s F, and tonight cool to 20s F.

Through the weekend temperatures will cool with daytime highs in the 20s to 30s F and overnight lows in the teens F by Sunday. A front this morning will bring heavy precipitation to start a period of cool and wet weather. Scattered showers are expected through the weekend with rain late Saturday turning to snow at lower elevations on Sunday. By tomorrow morning 3-5” of new snow is possible above 8,000’, and by Monday an additional 5-10” is possible.

On Saturday rain fell up to 10,000’ with more than 1” of water in the Bridger Range and up to 0.5” near Big Sky and Cooke City. Sunday morning temperatures dropped to low 30s F and the mountains received 3-5” of snow. This morning temperatures are high 20s F and wind has been easterly at 5-15 mph. Today temperatures will reach 40s F under clearing skies, and wind will shift westerly at 5-10 mph.

Through the next week daytime high temperatures will be near 50 F with overnight lows near 30 F, and wind will be westerly at 10-20 mph with gusts to 30 mph. Expect mostly clear, dry weather with increased cloud cover Wednesday through the second half of the week. Cooler, wet weather is expected next weekend.

The mountains received 4-6” of snow Monday through Wednesday with westerly wind at 20-40 mph Wednesday evening. Yesterday temperatures reached high 40s to 50s F under clear skies. This morning under partly cloudy skies temperatures are mid-30s to mid-40s F, and wind is west-northwest at 15-25 mph.

Today will be mostly sunny with temperatures in the high 40s to 50s F and westerly wind at 15-25 mph. Clouds will increase overnight with temperatures in the 30s F, and there is a chance for precipitation Saturday afternoon. Early Sunday scattered rain showers will turn to snow with temperatures in the high 20s to low 30s F, and wind will shift easterly at 20-30 mph. By Monday 3-6” of new snow is possible in the mountains.

Since Friday the mountains received 8-11” of dense snow (0.8-1.3” of Snow Water Equivalent) near Big Sky, Bozeman and West Yellowstone, and 14” (1.6” of SWE) near Cooke City. This morning temperatures are high 20s to low 30s F and wind is northwest at 15-30 mph. Today will be mostly cloudy with temperatures reach 40 F. Winds will be southwest at wind at 15-30 mph. Snow showers are likely with accumulations of 1-2” today. Another round of snowfall is expected Tuesday afternoon into Wednesday. The end of the week will be dry and warm.

Since Wednesday the mountains received 4-6” of snow near Big Sky and the Bridger Range, 10” in Hyalite, 1” near Cooke City and zero near West Yellowstone. This morning temperatures are teens to low 20s F and wind is northwest at 10-20 mph. Today temperatures will reach mid-30s F with northerly wind at 5-15 mph. Scattered snow showers are likely with minimal accumulation today. Tomorrow will be partly sunny with increasing clouds into Sunday. This weekend temperatures will reach mid-30s F with overnight lows in the 20s F, and wind will shift west-southwest at 10-20 mph. Snow is expected Late Sunday with 2-4” possible by Monday morning.