"A dangerous, widespread heat wave will bake the central and eastern U.S., bringing the hottest temperatures of the year and ...

The temperature made it to 91 on Saturday in Philly, and by the end of the workweek, that kind of heat may seem like a cool ...

St. Louis, Chicago and Des Moines were among the cities that saw heat indexes hit triple digits on Saturday, with the East ...

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

A heat wave is moving in, with over 100 million people from the Midwest to the Northeast on alert for life-threatening heat ...

Widespread 90s, even perhaps a few 100s, will bake much of the eastern two-thirds of the country in a dangerous heat wave.

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

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

On the first official day of summer, millions of Americans already under heat warnings. These Oklahoma cities are hotter than ...

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

Some parts of the U.S., such as Phoenix, Arizona, are famously hot without the mugginess. Phoenix and nearby desert regions ...

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