Once the Philadelphia region gets past the heat wave, unstable air returns, and the storm door will open through the weekend.

More than 150 million Americans are under the highest level extreme heat alerts during a wave of above-average temperatures.

As many as 250 daily temperature records could be tied or broken this week as dozens of states in the East Coast, Midwest and ...

An intense and nearly historic weather pattern is cooking much of America under a dangerous heat dome this week with ...

It's oppressive outside today in Pennsylvania, as heat indices may near 110 degrees. When is relief on the way? Here's the ...

Utility providers across the Midwest and East reported tens of thousands of power outages due to this week’s heat wave.

An "extremely dangerous heat wave" is continuing to scorch a huge area of the eastern United States June 23, affecting tens ...

"This level of HeatRisk is known for being rare and/or long duration with little to no overnight relief, and affects anyone ...

With a heat wave expected in Philly this week, Bill Henley explains the importance of staying in the shade and avoiding ...

PECO is working to fix outages from last week’s storm. But thousands of customers are without power for A/C as temperatures ...

A dangerous heat wave is expected for the Philly area this week evening, with temperatures reaching 100 degrees. Here's ...

Peco said more than 370,000 customers lost power following last week's storm, making it one of the 20 worst in the company's 144-year history.