A weeklong heat wave that officials believe has killed at least 25 people continued Sunday, with 40 million people under heat ...

Forecast models are showing another several day heat wave coming starting around this Sunday. This round of heat will come ...

Before your next summer vacation, learn how to plan for extreme heat with smart packing, hydration strategies and heat ...

The city's health department says last week's heat wave resulted in seven heat-related deaths in Philadelphia.

It’s more than you might think.

The clouds will clear through early Wednesday morning in the Philadelphia region and give way to great conditions for the ...

A dangerous heat wave​ arrives in Philadelphia and the surrounding suburbs this week, where each day temps could surpass 100 ...

A heat wave is set to bake Los Angeles County this week, with temperatures predicted to be 10 to 15 degrees above normal.

There are two good reasons why some Michigan heat waves wind up in a surprise part of our state. This afternoon’s high ...

The National Weather Service is raising the possibility of another heat wave in Alabama next week. Forecasters expect a ...