Update 7:30 p.m. The thunderstorm watches and warnings for York County has expired and storms have moved out of the area.
But showers and thunderstorms are part of the forecast for the next three days, says the National Weather Service.
The chance of precipitation is 60 percent on Wednesday, 30 percent on Thursday and 30 percent on Friday.
Wednesday's high is forecast at 78 degrees.
The thunderstorm watch has been extended until 5:30 p.m., the weather service says.
A severe thunderstorm watch is in effect for north-central York County and the surrounding area until 4:45 p.m., according to the National Weather Service.
A storm capable of producing quarter-size hail and damaging winds in excess of 60 mph is moving through the region, the service says.
The National Weather Service in State College has issued a severe thunderstorm warning for York County and the surrounding region until 9 p.m. Tuesday.
Meteorologists warn a strong thunderstorm is heading east at about 35 miles per hour. The storm, which could drop dime-size hail and produce winds in excess of 40 miles per hour, was expected to hit Gettysburg around 3:15 p.m.