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 ...

A potentially life-threatening heat wave enveloped the eastern third of the United States on Monday impacting nearly 160 ...

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

A multiday heat wave is bringing high temperatures and health risks from the Midwest to the Northeast, prompting warnings and ...

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 ...

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

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

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

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