* WHAT...Snow expected. Total snow accumulations between 1 and 3 inches, with higher amounts above valley floors and in Glacier National Park. Winds gusting as high as 45 mph.
* WHERE...Glacier National Park, Marias Pass, Essex, Polebridge, Bad Rock Canyon, and Highway 83 Bigfork to Swan Lake.
* WHEN...From 6 PM Saturday to 6 AM MDT Monday.
* IMPACTS...Plan on slippery road conditions.
* ADDITIONAL DETAILS...Prepare for difficult backcountry travel.