Updated at 11:15 p.m.
Less than 100 Met-Ed customers remained without power late Sunday night after an afternoon storm brought wind and heavy rains to York County.
All told, 99 customers were without power. That largest affect area is Springettsbury Township where 41 customers are in the dark, according to Met-Ed.
Updated at 7:35 p.m.
Power is being restored to Met-Ed customers who lost power when a storm passed through York County about 4 p.m. Sunday.
As of 7:30 p.m., power had been restored to all but 277 customers, according to Met-Ed.
At 5:30 p.m., 789 customers were reported to be without power. That includes 262 customers in York City, 209 in Manchester Township and 138 in Hellam Township.
York County was under an urban and small stream flood advisory for York, Adams, Lancaster and Lebanon counties, as well as for parts of Cumberland and Dauphin counties.
The advisory was in effect until 7 p.m. Sunday and has since expired, according to the National Weather Service.
Affected areas could experience minor flooding after heavy rain pushed through the area just after 4 p.m.
Rain water runoff could cause higher than normal levels at small creeks and "ponding" water on streets, highways, underpasses, low laying areas and areas with poor drainage, the weather service said.
The National Weather Service has issued a severe thunderstorm warning for York County until 5 p.m.
It has since expired.
A line of storms are moving through the area that will bring heavy rain, potentially damaging winds and the possibility for large hail, the weather service said.
Frequent cloud to ground lightning is also occurring with the storm, so the weather service advises going indoors as it passes through the area.
A severe thunderstorm watch is in effect for all of south central Pennsylvania through 9 p.m.
The chance of precipitation is 70 percent on Sunday, the weather service said.
Otherwise, Sunday will be mostly cloudy with a high of 90 degrees and a low of 70.
The chance of rain dips to 30 percent on Monday, when the high will be 86. Tuesday will be sunny, also with a high of 86 degrees.