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 ...

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

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

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

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

Weather forecasters have warned of extreme and dangerous temperatures as a major heat wave sweeps across the central and ...

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

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, ...