"Warmer-than-average temperatures are favored from the southern tier of the U.S. to the eastern Great Lakes, eastern seaboard ...

Multiple states are under extreme heat warnings, advisories or watches on July 23, according to the National Weather Service.

The NWS issued excessive rainfall threats for eastern US amid low-pressure area near North Carolina. Tropical Storm Dexter, ...

Twelve states face "dangerously hot conditions," as a major heat wave hits large parts of the country this week, a Newsweek map shows. The National Weather Service (NWS) has issued multiple heat ...

While Texas bakes under sweltering conditions, it's far from alone. Millions are under threat of extreme heat this week.

The map below identifies areas where the heat index is forecasted to reach NWS-defined levels from "Caution" (80 degrees Fahrenheit) to "Extreme Danger" (above 125 degrees).