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 ...

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

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

Harford County is opening 11 cooling centers for those looking for a reprieve from the extreme heat in Maryland this week.

Cook County and Chicago are under an Extreme Heat Warning starting Saturday morning, a Heat Advisory has been issued for the ...

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

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

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

Meteorologist Tom Tasselmyer said it will be an Alert Day amid an Extreme Heat Warning with temperatures soaring even higher than Monday.