PITTSBURGH — Clearing skies and less wind could set the stage for a frosty start Thursday morning.
A Frost Advisory has been issued for Allegheny, Beaver, Washington, Westmoreland, Greene and Fayette counties; and a Freeze Warning has been issued for Indiana, the ridges of Westmoreland and Fayette, Jefferson, Forest and Garrett, Maryland.
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Temperatures are forecast to fall into the lower 30s which can damage sensitive plants. Daytime highs Thursday will average about 10-15 degrees below average under partly sunny skies.