A mild, mostly quiet weekend gives way to the possibility of severe storms Monday in the Philadelphia area.

A Tornado Watch for the Philadelphia region has expired, but the threat of damaging winds continues Monday evening.

Severe storms threaten the Philadelphia region on Monday, with the potential for heavy rain, damaging winds, and tornadoes. The NBC10 First Alert Weather Team breaks it all down: Storm Overview Heavy snow across the Rocky Mountains on Saturday is part of what will turn into a powerful winter storm later this weekend.

The ongoing weather is impacting flights in and out of Philadelphia International Airport. Learn how to track your flight status.

Hundreds of flight delays and cancellations occurred at the Philadelphia International Airport Monday due to the severe weather. Here's what we know.

A wet mess of rain and snow will be pushed into Philadelphia by a cold front that will nosedive unseasonably warm temperatures.

On Tuesday at 7:51 a.m. the National Weather Service issued an updated winter weather advisory in effect until 9 a.m. for Delaware and Philadelphia counties.

The Northeast has seen wild temperature swings — from record 80s one day to snow showers the next. Scientists say weather patterns like cold fronts and climate factors help explain it.