* WHAT...West winds 35 to 50 mph with gusts up to 85 mph expected.
* WHERE...East Glacier Park Region Zone, and Eastern Glacier, Western Toole, and Central Pondera, Northern High Plains, and Southern High Plains.
* WHEN...From 9 AM to 8 PM MST Sunday.
* IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.