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Frost advisory for western Pa. Friday

National Weather Service warns frost possible overnight into Friday morning for four western Pennsylvania counties.

Published Apr 30, 2026, 12:16 PM EDT | LehighValleyLive

At 12:12 p.m. on Thursday, the National Weather Service released a frost advisory valid for Friday between midnight and 9 a.m. for Beaver, Allegheny, Washington and Greene counties.

The weather service informs, "Temperatures as low as 35 degrees will result in frost formation."