Heat alerts have been issued from Colorado to Maine, including more than 150 million Americans. Heat index values in the ...

States in the Midwest and Northeast could reach record temperatures in the coming days: Here’s where and when.

The hottest temperatures will start in the Great Plains, then move to the Midwest, the Great Lakes, and the East Coast ...

Virginians will feel the impacts of the first heat wave of Summer. High temperatures will climb into the 90s daily next week.

Heat is the top cause of weather-related deaths in the United States, according to the Centers for Disease Control. As the ...

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

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

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

Maps show where extreme humidity and 90- or 100-degree temperatures will affect about 255 million people across the United ...

Just in time for the start of summer on June 20, a heat wave is expected to scorch a large section of the United States, ...

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