The intensifying and expansive heat wave affecting around 150 million people in the United States from Wisconsin to ...

The National Weather Service has warned of "searing heat and oppressive humidity that occurs during the 'dog days of summer'." ...

Three Democratic lawmakers have proposed legislation to classify extreme heat as a disaster, which would allow federal ...

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

NOAA warns of a major heat wave likely to hit much of the U.S. from July 24-30, with extreme temperatures expected, ...

At least nine states along the East Coast faced summer swelter on Monday, and the steamy weather is expected to persist on ...

A long, intense wave of excessive heat is hitting much of the Western United States for the next week. The region should anticipate "a prolonged and possibly record breaking heat wave," with ...

The first heat wave of summer could bring punishing humidity and triple-digit temperatures to many states east of the Rocky ...

First heat wave of the year to bake southern United States next week. It could set records from South Texas to the Southeast as temperatures climb 10 to 25 degrees above normal between Wednesday ...

Major heat wave bearing down on Southwest 04:21. A punishing and relentless heat wave is just getting underway in the South, with some spots forecast to peak above 110 degrees starting this weekend.

One day after extreme heat smashed records across Western states, Sunday was expected to bring another round of all-time high temperatures. A bit of relief – ever so slight for some – is ...

An intense heat wave in the Western United States that has set high-temperature records from Washington to Arizona will continue this week. See the heat outlook.