Avalanche in Montana
Every avalanche event the National Weather Service has filed in Montana, year by year, with the most significant episodes. A mass of snow sliding down a mountainside that caused a death, an injury or damage.
The most significant on the map
The most significant avalanche episodes in Montana.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The record
- Events
- 58
- Deaths
- 26
- Injuries
- 12
- Damage
- $325,000
Every year
The most significant
Ranked by deaths, injuries, damage and size together.
- Winter Storm and Avalanche in Montana, February 22 to 24, 2014Heavy snow and blowing snow causes hazardous travel across western Montana. Around a foot of snow falls along the I-90 corridor.
- Avalanche and Winter Weather in Montana, January 6 to 8, 2012A warm southwest flow created unstable snow conditions at the higher elevations and some freezing drizzle in the valleys.
- Avalanche in Montana, January 13, 2008On January 13, a large avalanche was triggered near the Big Mountain Ski Resort.
- Avalanche in Montana, January 14, 2006Three snowmobilers were caught in a massive avalanche at Red Meadow Lake near Olney. One person survived, while two others perished. One of the fatalities was the result of injuries sustained in the incident. The other was caused by suffocation, a result of being buried.
- Avalanche in Montana, January 1, 2020Heavy snow and wind loading on weak snow layers New Year's Eve day led to an unstable snowpack to begin the New Year.
- Blizzard and Winter Storm in Montana, February 27 to 28, 2014A moist and warm air mass brought freezing levels up to between 6,000 and 7,000 feet MSL on Feb. 27 and brought freezing rain to western Montana.
- Avalanche and Heavy Snow in Montana, January 1 to 4, 2014Westerly flow aloft and down-slope winds developed over the Rocky Mountain Front and North-Central plains. The strongest winds were along the Rocky Mountain Front but an approaching shortwave trough, allowed strong winds to spread across Central Montana.
- Avalanche in Montana, December 27, 2021On December 27, two snowmobilers were caught and killed in an avalanche on Scotch Bonnet Mountain, north of Cooke City.
- Winter Storm and Avalanche in Montana, January 4 to 6, 2015A long duration snow event began Saturday evening Jan. 3 while snow intensities increased on Jan. 4 to produce widespread high impacts across western Montana and central Idaho.
- Avalanche in Montana, December 29, 2010An avalance swept away 3 skiers when they were sking outside of the ski area boundaries.
- Avalanche in Montana, February 19, 2022On February 19, three snowmobilers and two snow bikers were in Sheep Creek on the south face of Miller Mountain north of Cooke City. The two snow bikers were high on the slope when one stopped on a small ridge while the other climbed higher and triggered a large avalanche.
- Avalanche and Winter Weather in Montana, February 21 to 24, 2025An atmospheric river brought areas of rain and gusty winds. Sub-freezing temperatures resulted in icy road impacts. Avalanches were noted in a few areas.
- Winter Storm and Avalanche in Montana, December 30 to 31, 2011A strong flow of Pacific moisture impacted the west facing slopes of the Beartooth and Absaroka Mountains. This resulted in a period of heavy snow to end out the year, and in fact, was the only significant snow of the month.
- Avalanche and Winter Weather in Montana, March 10 to 11, 2014A period of snowfall fell across the higher elevations of southwest Montana. An avalanche takes the life of a skier near Philipsburg.
- Avalanche in Montana, November 15, 1998
- Avalanche in Montana, January 18, 1998Fatality was a snowmobiler
- Avalanche in Montana, November 26, 1999
- Avalanche in Montana, January 3, 2010A 33-year old Billings man was killed in an avalanche on Scotch Bonnet Mountain near Cooke City. He had gotten stuck and was trying to free his snowmobile when the slide occurred.
- Avalanche in Montana, February 22, 2012Seven snowmobilers departed Cooke City, Montana and ascended Miller Creek drainage via Daisy Pass Trail Road. Approximately 2.25 miles up the Road the group stopped to play in a small meadow downhill from the road.
- Avalanche in Montana, November 26, 2014A group of seven snowmobilers was riding north of Cooke City when an 18 year old from Minnesota was caught in an avalanche on a steep, northwest facing slope on Crown Butte outside Cooke City.
- Avalanche in Montana, March 11, 2014A group of seven snowmobilers was riding north of Cooke City when an 18 year old from Minnesota was caught in an avalanche on a steep, northwest facing slope on Crown Butte outside Cooke City.
- Avalanche in Montana, December 19, 2015A snowmobiler died in an avalanche on Saturday, December 19th outside Cooke City. The avalanche occurred on the southeast face of Sheep Mountain between Lulu Pass and Round Lake.
- Avalanche in Montana, December 11, 2016A skier was killed by an avalanche on Henderson Mountain outside Cooke City on December 11th. The skier was in a party of 5 and his descent was the 7th track on the slope when it avalanched. He was carried into trees and buried under 5' of snow.
- Avalanche in Montana, December 31, 2022On December 31, a snowmobiler was killed in a very large avalanche north of Cooke City, Montana. The avalanche occurred near Daisy Pass on Crown Butte on a southeast facing slope at 9,800'. Two brothers (age 17 and 21) from Washington were snowmobiling uphill on adjacent slopes.
- Avalanche in Montana, February 6, 2022On February 6 a group of 4 men from Iowa were riding in Lionhead. They had ridden in the area for the last 12-15 winters. They all had a beacon, shovel and probe, and 3 of the 4 had airbag packs, including the victim.
More
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.