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

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

We're hitting peak heat wave today, with a handful of Michigan counties forecast to be the hottest places in the state.

A "heat dome" has developed on the East Coast that could send temperatures to 100 degrees in Boston this week. As a result, ...

The organization announced it will open 10 stations in the Valley where anyone in need can go for indoor cooling and hydration.

Just this week, nearly 160 million citizens were under some kind of heat alert Tuesday. The Centers for Disease Control and Prevention is the government agency that keeps track of heat-related deaths ...

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

The National Weather Service has issued an extreme heat warning for the second consecutive day, with the temperature expected ...

The Lehigh Valley and much of eastern Pennsylvania are under an extreme heat warning with temperatures near 100 degrees ...

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