People are advised to keep up to date with forecasts and travel conditions
Anyone in the states should watch for changing conditions including avalanches, heavy snowfall or rain, strong wind or rapidly warming temperatures.
The avalanche occurred on Wardner Peak, a 6,200ft mountain near the Silver Mountain Resort in Kellogg, Idaho.
A 45-year-old man died after he was caught in an avalanche as he headed down the slope of Dutch Draw in Park City, Utah.
The pair were climbing Whitehorn Mountain in British Columbia.
A team has used scars in tree rings to track avalanches.
During training on mountain warfare and cold weather operations in Vermont, six U.S. Army soldiers were caught up in an avalanche.
Winter is coming and Russia's scientists are getting loaded guns to fight deadly snowslides.
Russ Kurth, 63, was pronounced dead at a local hospital.
Five have been confirmed dead and nine, including four children, have been rescued.
An estimated 23 people are still missing after the Hotel Rigopiano was destroyed in an avalanche.
Americans Alex Lowe and David Bridges were filming a documentary series for NBC Sports when the avalanche struck.
Search and rescue teams are still looking for a couple who disappeared over the weekend.
A 14-year-old, a 16-year-old and a Ukrainian adult skier were killed on a closed slope.
The avalanche occurred around noon local time on the Dome de Neige des Ecrins mountain.
This area is in a natural park which is popular with tourists.
The avalanche was triggered by the 7.9-magnitude earthquake that has left thousands dead in Nepal.
The government vowed safety improvements after dozens die last year, but tour operators say the measures aren't enough.
Climbing veterans, trekking organizations, and government talk safety as casualties near the popular trail climb and dozens more are rescued
"I thought it was the last day in my life," Kusang Sherpa said.
At a Manhattan premiere, the goth-rock god answered a flurry of questions and crooned on command.