Montana Winter Weather Advisory | Effective 04/21/2026 12:50
* WHAT...Snow expected. There is a likelihood of moderate winter
weather impacts. Total snow accumulations of 1 to 3 inches below
4000 feet, 4 to 7 inches at pass level and over 10 inches in the
high terrain.
* WHERE...Glacier National Park, Marias Pass, Bad Rock Canyon,
Essex, Highway 83 Bigfork to Swan Lake, and Polebridge.
* WHEN...From 6 PM Wednesday to 6 PM MDT Thursday.
* IMPACTS...For MODERATE winter weather impacts, expect disruptions
to normal activities. Hazardous traveling conditions. Use extra