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

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

An extremely dangerous heat wave is underway for the eastern half of the United States as a potent heat dome reaches its peak ...

An intense heat wave is about to hit the central and eastern United States, putting millions of Americans to the test.

A significant and intense heat wave is set to engulf the central and eastern United States, delivering the highest ...

More than 37 million Americans are under heat advisories across the U.S., according to the National Weather Service. Here's ...

Heat dome will cause dangerously high temperatures in many places across the country this weekend, especially the Midwest and ...

A dangerous heat wave is currently baking the eastern two-thirds of the United States with extreme temperatures in the mid-to ...

Extreme humidity and triple-digit temperatures are affecting around 250 million people across the United States. Here's the ...

A massive heat wave is unleashing the hottest weather in years across the eastern United States, and the temperature in New ...

Heat doesn’t just mean canceled events. It also poses a health risk. If you can’t afford to cool the whole house, make a ...

Extreme heat is only becoming more common. In the United States, heat waves now occur three times as often as they did in the ...