A dangerous, record-breaking heat wave will spread over the eastern United States and is expected to last several days.

Over 140 million Americans will be under the highest-level extreme heat alerts by Sunday during a wave of above-average ...

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

Many places around the country will experience their first significant heat of the year in the next few days. Here’s why it’s ...

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

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

June 20 marks the first official day of summer, with millions of Americans already under heat warnings. See cities hotter ...

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

The first big heat wave of 2025 has arrived, coinciding with the official start of summer. More than 40 million people in the ...

A heat wave will bring the highest temperatures of the year so far, with some areas possibly reaching triple digits, ...

By the weekend, large swaths of Britain are expected to tip officially into a heat wave, with temperatures surging well above ...