BUTLER, Pa. – A large storm system will bring severe storms throughout the region starting around 6pm tonight. The storm will move into Slippery Rock, and head south near Sarver.
Torrential downpours will cause a real flooding, which could cause minor landslides onto roads in areas with loose debris. Small creeks and streams will rise over time.
Hail is expected to occur in the later part of the night. The hail will occur mostly south, as the storms head into Westmoreland County.