Advisory Archive

01 / 13 / 25  <<  
 
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This morning, temperatures are in the single digits to low teens F, with 5-15 mph winds from the west through the north. The exception is the Bridger Range, where winds are 25 mph, gusting to 40 mph. In the last 24 hours, a trace to 2” of snow fell across the forecast area.

Enjoy a few nice winter days before snow and cold temperatures arrive at the end of the week. Today, temperatures will be in the high teens to low 20s F with light winds under clearing to mostly sunny skies. Stronger winds will persist in the Bridger Range.

Since yesterday morning the mountains near Bozeman, Big Sky and Cooke City got 2-5” of low density snow, and zero fell near West Yellowstone and Island Park. Since Friday night snowfall totals are:

  • 16-20” (1.2-1.3” Snow Water Equivalent (SWE)) in the Bridger Range and Hyalite.
  • 9” (0.6” SWE) in Big Sky, with 12”+ in favored locations like the south face of Lone Mtn.
  • 8” (0.6” SWE) in Cooke City.
  • 3-4” (0.3-0.4” SWE) in Island Park, West Yellowstone, and Taylor Fork.

Wind has been out of the northwest and west at 10-20 mph with gusts to 25 mph, and was stronger in the Bridgers yesterday with gusts to 38 mph. Today wind will be from the west and northwest at 10-15 mph with stronger winds possible in the mountains near Bozeman. Temperatures are single digits to teens F this morning, and today temperatures will be in the teens F. Today will be mostly cloudy with light snow showers this morning. Near Bozeman, Big Sky and Cooke City could get 1-3” of light snow with less than 1” near Island Park and West Yellowstone.

Snowfall totals since yesterday morning are:

  • 9-12” (0.7-0.9” Snow Water Equivalent (SWE)) in the Bridger Range and Hyalite.
  • 3-12” (0.2” SWE) in Big Sky.
  • 2-4” (0.2” SWE) in Cooke City.
  • 0-1” (0-0.1” SWE) near Island Park, West Yellowstone, and Taylor Fork.

Wind has been out of the northwest at 10-15 mph with gusts to 20-35 mph. This morning wind is out of the northwest at 5-15 mph, and out of the east in the Bridgers. Temperatures are single digits and teens F. Today temperatures will be in the teens F with wind out of the northwest at 10-20 mph. Snowfall will continue today and tonight favoring mountains near Bozeman, Big Sky and Cooke City with 3-6”, and 0-1” elsewhere.

New snow totals this morning are:

4-6” (0.3-0.4” Snow Water Equivalent) near Bozeman and Big Sky 

2-3” (0.2-0.3” SWE) across the rest of the advisory area

Winds are strong, blowing out of the west (20-30 mph with gusts of 40-60 mph). Temperatures are in the teens F. 

Snowfall will continue today and tonight. Snowfall may be heavy at times today around Bozeman and BIg Sky, adding up to 4-6” by this evening. By tomorrow morning,  12-18” are expected near Big Sky and Hyalite, with 6-12” in the Bridger Range. Only 1-2” are expected near Island Park, West Yellowstone, and Cooke City. Winds are forecasted to moderate a little bit, continuing out of the west and northwest.

A dusting of snow fell yesterday morning as snowfall tapered off and skies cleared, but there were not significant accumulations. Overnight, winds picked up around Bozeman and Big Sky, now blowing 20-30 mph out of the west, with gusts of 40-45 mph. Winds elsewhere are a bit lighter (10-15 mph) out of the northwest and north. Temperatures are in the teens F this morning (single digits F around Cooke City).

Today, winds will continue to be strongest in the northern ranges, perhaps picking up a bit everywhere as snowfall begins late this afternoon. High temperatures will be in the 20s and 30s F.

Snowfall tonight will add up to 3-6” by tomorrow morning across most areas, with snowfall continuing tomorrow. Island Park will get a bit less, with 1-3” expected.

Snow fell yesterday and again last night favoring mountains near Bozeman & Big Sky

  • 7-12” snow (0.7” SWE) in Hyalite Canyon, northern Gallatin Range
  • 7” snow (0.4” SWE) in Big Sky, northern Madison Range
  • 5” snow (0.3” SWE) in the Bridger Range and near Cooke City
  • 4” snow (0.3” SWE) in the southern Madison Range
  • 2” snow (0.1” SWE) in the Lionhead and Island Park areas

This morning winds have eased since yesterday in most areas, averaging 5-10 mph from the N. In the Bridger Range winds are coming from the W, and there are a few higher gusts at the ridge. Near Cooke City winds remain a bit elevated blowing 24 mph gusting to 44 mph from the N. Temperatures are in the low teens F up high and upper teens at lower elevations.

Today will be stunning with a fresh coat of white paint, light winds from the NW, and cold air keeping high temperatures mostly in the upper teens to 20 degrees F. Low level clouds and fog will linger through the morning followed by mostly sunny skies. Friday will have a brief warm up followed by a decent shot of snow Friday night through Saturday. 

WINDS increased this morning blowing 15-30 mph with gusts up to 40 mph from the W and NW. Temps this morning are mostly in the mid-teens F. In the Bridger Range, winds are gusty at all elevations.

The main feature driving our weather is a large ridge of high pressure over the Pacific. The jet stream is riding over this ridge and dropping down from the northwest into Montana bringing a “series of troughs, interrupted by transient ridges, through the region for the next week or so.” - NWS discussion

Today will be windy, and skies will become mostly cloudy with snowfall this afternoon. The most wind and snow will occur in the mountains near Bozeman. Ridgetop winds from the W will average 15-20 mph and gust 30-40 mph (a bit lighter further south). Near Bozeman, several inches of snow should fall today with several more tonight (3-6” total). Further south, 2-3 inches should fall by tomorrow morning.

This morning, temperatures are in the single digits to teens F, with light winds except in the Bridger and Lionhead areas, where winds are 15 mph, gusting to 35 mph. The Northern Madison and Northern Gallatin Ranges picked up another 3-4” of snow in the last 24 hours, with 0-1” elsewhere.

Today, temperatures will reach the teens and 20s F with light winds from the north and west. Localized winds may increase in the Bridger Range. Clouds will gradually clear away after a trace of snow falls this morning. Snow returns tomorrow afternoon.

This morning, mountain temperatures are in the teens and 20s F, with remarkably light winds from the west and northwest. The mountains around Bozeman and Big Sky received 6-7” of snow overnight, with 3” in Island Park and a trace to 1” elsewhere.

Today, temperatures will be in the teens and 20s F with light winds from the northwest and north. Snowfall continues today, with the mountains around Bozeman and Big Sky getting 3-6” by tomorrow morning and a trace to 2” throughout the rest of the forecast area.

Totals from snow that fell during the day yesterday are:

  • 7” (0.7”snow water equivalent (SWE)) in Hyalite.
  • 3-5” (0.3-0.5” SWE) in Big Sky.
  • 4” (0.4” SWE) Cooke City.
  • 3” (0.3” SWE) Bridgers and Taylor Fork.
  • 2” (0.2” SWE) West Yellowstone and Island Park.

Temperatures are teens to low 20s F this morning, and will be teens and 20s F today. Yesterday winds increased to moderate out of the northwest at 10-20 mph with gusts to 25-40 mph. This morning winds are from the southwest at 5-15 mph, and today wind will remain light out of the west.   

Snowfall is forecast this afternoon through tonight, favoring the mountains near Bozeman and Big Sky with 4-8” by morning, and 1-3” near Cooke City, West Yellowstone and Island Park.