The National Weather Service issued heat advisories for a large swath of the East Coast through much of the weekend.

A Heat Advisory is once again in effect for Middle Tennessee from Sunday through next Wednesday when heat index values (feels ...

An intense heat wave threatens millions of people across the Southeast with temperatures reaching 115 degrees through midweek ...

A Heat Advisory remains in effect with heat indices ranging from 100 to 110 degrees, and temperatures are expected to ...

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.

A punishing heat wave will bring hot temperatures to eastern US and linger for several days, underscoring how climate change ...

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

Widespread showers and storms are likely to develop between 3 p.m. and 5 p.m., moving west to east. Tropical downpours with ...

At 1:44 a.m. EDT on Sunday, the National Weather Service issued a heat advisory valid between noon EDT and 9 p.m. EDT for ...

The National Weather Service released an updated extreme heat warning at 12:53 p.m. on Friday in effect until 9 p.m. for ...