A Winter Weather Advisory has been issued for Allegheny, Beaver, Butler, Washington, Westmoreland, Fayette, Lawrence, Armstrong, and Monongalia counties until midnight. The potential snowfall could reach between 1-2-3 inches. The advisory continues to cover the lower elevations of Westmorgan, along with Indiana, Clarion, Forest, Venango counties. Temperatures are expected to return to the 50s for the end of the week.