A powerful line of thunderstorms moving across the area this morning is bringing heavy rain, hail, wind gusts and power outages.
A severe thunderstorm watch was in effect for the entire region this morning, with forecasters warning of favorable conditions for hail and wind gusts of around 60 mph. By 10:30 a.m., the watch had been canceled in Pennsylvania but a severe thunderstorm warning remained in place for much South Jersey.
The National Weather Service told residents to prepare for cloud to ground lightning, hail, damaging winds, and heavy rain that may flood low lying areas.
A line of heavy rain showers moved through into the region this morning, leading to power outages and transit delays.
As of about 9:45 a.m., PECO was reporting more than 10,000 customers without power in Montgomery County and more than 1,700 outages in Chester County. Fewer than 250 customers lacked power in Philadelphia, Bucks and Delaware counties combined.
SEPTA said service on all Regional Rail lines could be delayed by up to 10 minutes due to slippery rail conditions. Airport Line service was temporarily suspended due to power problems; service on the line resumed at about 11 a.m.
And Philadelphia International Airport was reporting some delays of about two hours.
The weather service says wind gusts will become stronger throughout the morning, but are expected to subside during the afternoon.
Tree limbs and weak trees are likely to get knocked down, causing scattered power outages.
Rain showers expected throughout the morning, but also likely to diminish after noon.
The high temperature today is expected to reach 73 degrees.
For the weekend, forecasters say Saturday should be partly sunny with a high of 67 degrees and Sunday should be mostly sunny with a high of 52.