Increasing southerly winds of 20 mph to 30 mph will shift to the west behind a cold front on Friday with gusts of 40 mph to 50 mph expected. Localized wind gusts up to 60 mph are a possibility. Downed trees and power lines are a possibility across the region. The National Weather Service is also predicting “dangerously cold” wind chills as low as –20 degrees Friday night through Saturday Night.