* WHAT...West winds 10 to 20 mph with gusts up to 55 mph expected. * WHERE...Missoula/Bitterroot Valleys. * WHEN...From midnight Wednesday Night to 6 PM MDT Thursday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.

* WHAT...Heavy snow expected above 5000 feet. There is a likelihood of major winter weather impacts to isolated extreme winter storm impacts. Total snow accumulations between 2 to 6 inches in the lower elevations and 20 to 40 inches in the higher elevations. Winds gusting as high as 50 mph. * WHERE...Lolo Pass and Highway 93 Sula to Lost Trail Pass. * WHEN...From 6 PM Wednesday to noon MDT Saturday. * IMPACTS...For MAJOR winter weather impacts, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions. Avoid travel in the impacted areas if possible. Widespread closures and disruptions to infrastructure may occur. For EXTREME winter storm impacts, expect substantial disruptions to normal activities. Extremely dangerous or impossible traveling conditions. Travel in the impacted areas is not advised. Extensive and widespread closures and disruptions to infrastructure may occur. Life saving actions may be needed. The hazardous conditions could impact the Thursday morning and evening commutes, especially over higher passes. Gusty winds could bring down tree branches.