A powerful system will sweep into the Northeast, bringing numerous thunderstorms, some of which will be severe.
Storms on Sunday, July 27, may create severe wind gusts that cause power outages, as well as torrential downpours that cause flash flooding in areas ranging from southwestern New England to the mid-Atlantic in the afternoon and evening.
The storms may cause slower traffic on key highways and delays at busy airports in New York City, Philadelphia, and Pittsburgh.
The forecast for Monday, July 28, through Wednesday, July 30, predicts mostly sunny skies and temperatures in the 90s each day. Heat advisories are in effect for various regions from late Monday morning to Tuesday, July 29, and into Wednesday night.
