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 ...

A potentially life-threatening heat wave enveloped the eastern third of the United States on Monday (Jun 23) impacting nearly ...

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

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

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 ...

Warnings are in place from Missouri and Illinois to Indiana, Ohio and Michigan, where conditions may persist through midweek.

As the official start of summer arrives, the United States is being hit by a dangerous heat wave, making this the first ...

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

Baltimore is experiencing its hottest day in 2025 with temperatures reaching the upper 90s Monday as a heat wave develops in ...