A rare winter storm is moving through the northern Rockies this weekend.
Forecasts predict up to 16 inches of snow in the mountains of Idaho and Montana.
Record cold is expected, and wet conditions are possible across Wyoming and lower elevations.
Winter Storm Warnings remain active for mountainous areas in the region.
In the eastern United States, officials are examining preparedness measures after earlier winter events, including a recent report on the Nashville storm that identified flaws and recommended changes.
The active warnings and cold spell have led to travel cautions and preparation measures in the affected states.