Winds could reach a speed of up to 60 miles per hour, the service said.
A severe thunderstorm warning is in effect for portions of Northampton and Warren counties, according to the National Weather Service.Up until 3 p.m. Saturday, residents in northwestern Warren County and northeastern Northampton County should be on alert for a severe storm capable of producing winds up to 60 miles per hour, ground to cloud lightning and quarter-sized hail, the service said.
The service's advisory is also in effect for portions of Monroe County.