Heavy rains caused numberous small landslides that temporarily closed Route 62 south of Irvine and brought down power lines in the vicinity of Route 337 (Pleasant Drive) and Cobham Hill Road.
There were no reports of injuries.
Emergency personnel from area volunteer fire departments were dispatched to the scene of downed power lines, and PennDOT personnel were called to clear roadways of storm-related debris. Fire police were dispatched to detour traffic.
By about 3:30 p.m., one lane of Route 337 was reopened.
Responding to the scene at Route 337 were Tidioute volunteer firefighters, and Pleasant and Cherry Grove volunteers responded south of Irvine.
The National Weather Service issued a flash flood advisory early in the day, but cancelled the notice at about 3:30 p.m.
Meanwhile, other areas in western Pennsylvania were even harder hit by the storm.
One of the hardest hit areas Tuesday night was Cranberry Township, Butler County, about 20 miles north of Pittsburgh. That's where Route 228 remained closed between Route 19 and Interstate 79 during Wednesday morning's rush hour due to eight to 10 downed utility poles.
There were widespread reports of downed trees and branches across western Pennsylvania. The National Weather Service issued flood warnings and watches for most western counties through much of the morning.
There were reports of flooding in Crawford and Venango counties. In Erie, a tent collapsed during a church service at a park Tuesday evening, but none of the 200 people inside were hurt.