* WHAT...West to southwest winds 40 to 50 mph with gusts up to 70 mph.
* WHERE...Bears Paw Mountains and Southern Blaine, Hill County, and Western and Central Chouteau County.
* WHEN...Until 3 AM MDT Monday.
* IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.