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.

At least 100 Americans are on alert for dangerous heat and humidity -- stretching from Texas to Maine -- on Friday.

A phenomenon called "corn sweat" could exacerbate the impacts of the extreme heat blanketing a large portion of the U.S., ...

More than 100 million Americans are under heat alerts as the extreme temperatures that have smothered the Midwest this week ...

At least 13 people have died due to heat-related illnesses during this year’s heat season, up from this point in 2024.

Sweltering and "dangerous" heat with indices surpassing 100 degrees Fahrenheit across parts of nine states has prompted the ...

The blast of heat prompted advisories across much of Massachusetts, Rhode Island, Connecticut, and in Southern New Hampshire ...

The extreme heat is prompting several warnings for the NYC area today, including a heat advisory and an air quality alert.

A sunny, hot, and humid weekend is ahead for Jacksonville, with heat index values soaring in triple digits. When will ...

Extreme heat returned to the tri-state area with a vengeance Friday, pumping feels-like temperatures near 110 degrees in ...