The Pittsburgh area had gotten about two to four inches of snow by Saturday afternoon. Philadelphia and its suburbs are expected to get about the same amount.
Dozens of flights have been canceled or delayed at Philadelphia International Airport, according to FlightAware.com.
High school basketball games and wrestling meets were postponed in the Erie region as well as the Lehigh Valley.
State transportation officials reduced the speed limit to 45 mph on Interstate 80 in Mercer, Venango, Clarion and Jefferson counties due to ice and snow.
