An avalanche on Alaska's Kenai Peninsula killed one backcountry skier and injured two others, prompting warnings for people to stay away from steep slopes as warm weather and high winds raise the risk of more snowslides around the state.

This year’s large snowfall in southern Yukon has caused issues for highway staff and for people contracted by Highways and Public Works to deal with avalanches.

Jeffrey Cheng, 33, died in the slide. One of his friends managed to hold on to a tree as waves of avalanche debris washed over his head. The third member of their group wasn’t caught.

Crews are working to free multiple cars that are trapped by an avalanche on Highway 91 near Copper Mountain, the Colorado State Patrol has confirmed.

Crews are working to clear snow off of the Richardson Highway near Valdez, after excessive snow has not relented, and an avalanche has poured over the isolated highway stretch.