The National Weather Service called the forecast for above-average temperatures "the first significant heat wave this season.

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

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

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

Heat is the number one killer -- and it’s heading to the most densely populated part of America for a prolonged period.

The first major U.S. heat wave of the year starts on Friday. It brings dangerously high temperatures and is expected to last ...

Within those constraints, finding ways to stay hydrated and lower your body temperature are paramount. You can do this by ...

The NYISO says even with the sizzling temps, no records will be broken. The highest summer demand for power happened more ...

The first day of summer is here, and Mother Nature isn’t wasting any time serving up extreme heat across Northeast Ohio ...

A heat wave will bring temperatures pushing 100 to Ohio; it will feel hotter than that. Forecast, difference between heat ...

Facing an intense heat wave, Indiana's electricity providers are racing against the clock to restore service interrupted by ...

Michigan’s first heat wave of the summer is moving in today. It will come with rain and possible severe storm s on Saturday.