As a heat wave hits multiple U.S. states, some areas are have been placed under extreme heat watches and warnings.

Philadelphia is under an extreme heat warning with heat index values up to 105 degrees, advising residents to stay cool and ...

The National Weather Service has extended the heat advisory for central Ohio until June 27. COTA has extended free rides as a ...

Severe weather is possible Tuesday and Wednesday, along with the extreme heat warning in western Pennsylvania.

The New York Independent System Operator issued an energy warning calling on residents to conserve electricity; conditions ...

Orange County responds to extreme heat warning by activating cooling centers and providing additional support like misting tents and water for residents.

The peak of the heat will be Tuesday when the temperature may challenge all-time records for the month of June in Boston.

With New York under an extreme heat warning, the Mets took extra precautions Monday. Those included a later report time for ...

A heat dome is affecting much of the central and eastern U.S., creating high levels of heat and humidity. What to know in ...

PORTLAND (WGME) -- An extreme heat warning has been issued for Maine on Tuesday due to dangerously hot temperatures and high ...

Wicomico County has opened multiple cooling centers amidst this week's extreme weather. Here's what you need to know about ...

Central Park last had a 100-degree day on July 18, 2012, and hasn’t seen a triple-digit temperature in June since 1952.