Temperatures in Philadelphia will stay steamy on Monday with muggy conditions that will make it feel like the triple digits.

Philadelphia's upcoming week weather includes showers, thunderstorms, and high temperatures peaking near 97°F.

On Tuesday, the heat turns up even more with high temperatures across the region likely in the mid-upper 90s. The forecast ...

A few storms may fire up late Wednesday, but there is a much greater chance of storms by Thursday. Those showers and storms ...

A life-threatening heat wave has enveloped the East Coast, hitting major cities with the worst of the high temperatures on Tuesday before relief moves in.

Summer heat is settling in, poised to create sizzling conditions across the region stretching into next week and possibly ...

More than 200 million people across most of the United States are on alert for widespread, dangerous heat on Monday.

Big changes are on the way for the Delaware Valley as the extreme heat gives way to potential severe weather and much cooler temps by the end of the week.

As a summer heat wave sweeps through the region, air conditioning systems are being pushed to their limits, and some are ...

Much of the U.S. is under extreme heat warnings or advisories while New York, Philadelphia and Washington could feel like 100 degrees or more.

Neighbors say this isn't just about opening the pool to stay cool in the summer heat, but it's also about the impact on ...

Summer camps are trying to find ways to beat the heat. City Rowing is having its final camp session of the summer.