Major weather threats bring blizzard conditions to U.S. northern tier, early heat wave to the West

A severe weather front has dumped heavy snow on the Upper Midwest, caused thunderstorms in the South and threatens ...

Tornado watch for Delaware Valley expires as storms roll through region. Here's the weather forecast

A tornado watch that was in effect for the Delaware Valley has expired, but the region remains on alert for moderate to heavy ...

Mostly cloudy Sunday in Philadelphia area before severe storms Monday. Here's the weather forecast.

It will be a pleasant Sunday with mild temperatures in the Delaware Valley before severe storms arrive Monday, the NEXT ...

Sunny, mild Saturday graces Philadelphia area before storms move in. Here's the weather forecast.

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

Breezy Friday in Philadelphia region with mix of sun, clouds. Here's the weather forecast.

People in the Philadelphia region will need winter gear on Friday morning because of the temperatures dropping into the 20s.

Cloudy, chilly Friday in Philadelphia region with stray rain showers possible. Here's the weather forecast.

Dreary and damp conditions will persist for yet another day on Friday in the Philadelphia region.

Tracking rain, snow around Philadelphia area as temperatures plunge to 30s. Here's the weather forecast.

After an early taste of summer in Philadelphia, temperatures are expected to drop more than 50 degrees.