* WHAT...Heavy snow expected above 5000 feet. There is a likelihood of extreme winter storm impacts. Total snow accumulations between 2 and 6 inches in the lower elevations and 30 to 60 inches in the higher elevations. Winds gusting as high as 45 mph. * WHERE...Dixie. * WHEN...From 5 PM Wednesday to 11 AM PDT 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 Wednesday evening and Thursday morning commutes, especially over higher passes. Gusty winds could bring down tree branches.