The heat wave is expected to continue into the week putting millions of Americans in the Midwest and Northeast under heat ...

Heat advisories and extreme heat watches are in place across much of the U.S., lasting until Tuesday with the potential to be ...

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

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

A rare and dangerous heatwave is sweeping across the United States, pushing temperatures into the triple digits across major ...

Cities across the eastern and central United States are bracing for more days of extreme temperatures as a unusual June heat ...

To stay comfortable while saving money, the U.S. Department of Energy recommends the best AC setting in summer is 78 degrees when you are home. When no one is home, the department recommends ...

Extreme humidity and heat will affect around 265 million people across the country this week. Maps show where and when to ...

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

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

As temperatures rise to dangerous levels across the state with the arrival of a heat wave, experts provide ways to stay safe.

A widespread heat wave is poised to engulf the central and eastern United States, potentially impacting 170 million people.