What to Know
- Thunderstorms had threatened to bring damaging wind and flooding downpours to the Philadelphia region on Sunday, March 16, 2025.
- Sunday’s severe storm threat diminished overnight after light showers and sprinkles on Saturday.
- Be sure to have the latest version of the NBC10 app downloaded to your device to ensure you can get weather alerts and the latest forecast, even if you lose power.
It was a windy Sunday for those who celebrated St. Patrick’s Day a little early though the rain wasn’t as heavy as initially predicted.
A storm that was expected to bring damaging wind, flooding downpours and severe thunderstorms for the entire Philadelphia region Sunday afternoon through the evening moved south.
While storms still moved through the Philadelphia area on Sunday, the conditions were not as severe as previously predicted.
Here’s what you need to know:
Rain expected to hit after the St. Patrick’s Day Parade on Sunday ⛈️
Sunday was expected to be the main event, with gusty winds ahead of a powerful cold front.
Scattered showers still occurred Sunday night, but strong winds and severe rains moved south past the area.
Those who attended the Philadelphia St. Patrick’s Day Parade on Sunday (here’s your guide to the action), saw cloudy, windy and mild conditions, with scattered light showers, but the parade wrapped up before the worst of the storm moved in.
Your timing for the weather during the St. Paddy’s Day parade
Heavier rain hit parts of the Philadelphia region late Sunday night.
By Monday morning, any lingering showers will clear out, leading to a nice St. Patrick’s Day (March 17) with sunshine and cooler, but comfortable conditions.
Airport delays, power outages due to the stormfront
The Philadelphia International Airport was impacted by hundreds of delays on Sunday due to strong winds.
A ground delay was in effect at the airport from 5 p.m. ET until 7:59 p.m. ET. Departures to the airport were delayed on average of 42 minutes due to the wind.
As of about 11 p.m., there were 332 total flight delays and 21 cancellations at the airport.
Strong winds on Sunday led to hundreds of flight delays at Philadelphia International Airport. NBC10’s Lili Zheng spoke with travelers.
Power outage numbers were relatively low throughout the region as of 10:30 p.m. on Sunday.
PECO has reported 453 outages:
- Bucks County: 87
- Chester County: 132
- Delaware County: 135
- Montgomery County: Fewer than 5
- Philadelphia: 85
- York County: 9
For a map of outages in PECO’s service area, click here.
First Energy has reported about 221 power outages as of about 10:30 p.m. on Sunday:
- Berks County: 121
- York County: 94
For a map of outages throughout First Energy’s service area, click here.
PSEG is reporting about 514 power outages as of Sunday night, mostly in Burlington County:
- Burlington County: 459
- Mercer County: 42
For more details or a list of outages in PSEG’s service area, click here.
Atlantic City Electric is reporting 733 power outages throughout its service area on Sunday.
- Atlantic County: 133
- Camden County: 573
- Cape May County: 16
- Gloucester County: 11
A full list of closures and Atlantic City Electric’s service map is available here.
And, Delmarva Power is reporting about 82 power outages as of about 10:30 p.m. on Sunday, all in New Castle County.
For a full service map and outages for Delmarva Power, click here.
