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

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.

An extreme heat warning is in effect across much of the Philadelphia region on Friday, as the temperature will be pushing 100 degrees. The feels-like temperature will definitely exceed 100 in the ...

Another possible heatwave is on the way for parts of the Northeast on Friday, and those temperatures could break some heat ...

How hot will it get as the humidity builds and a heat dome spreads toward the Northeast? What is a heat dome? Here's what to ...

Another hot and muggy summer day is ahead for Philadelphia and its suburbs, with late-day soaking scattered showers that could cause flash flooding in some areas.

At least 130 million people from Texas to Maine are under alert for dangerous heat and humidity over the next few days.

A long-lasting extreme heat wave reached its dangerous crescendo Tuesday, bringing the hottest day in a decade to some major East Coast cities and putting millions of already fatigued Americans at ...

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.

With the first official 100-degree reading in 13 years on Tuesday, Philadelphia broke a 100-year-old record for a daily ...

The Philadelphia region is baking under a summer heat wave, with temperatures soaring well into the 90s. Health experts are urging residents to take precautions to stay safe, cool and hydrated.

A potentially record-breaking heat wave is pushing to the East, impacting millions of Americans in several states and cities.