Frost advisory Monday for western Chester and Montgomery counties — temperatures near 35°F
The National Weather Service warns frost may form overnight Monday, with the coldest conditions in sheltered valleys.
A frost advisory was issued by the National Weather Service on Sunday at 3:11 p.m. valid for Monday between midnight and 8 a.m. for Western Chester and Western Montgomery.
The weather service informs, "Temperatures as low as 35 degrees will result in frost formation, especially in sheltered valleys."