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

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

The worst of the heat is expected Monday and Tuesday. Monday’s heat index in the Lehigh Valley could reach 110, forecasters ...

Shortstop Elly De La Cruz vomits on field, while Mariners reliever Trent Thornton, umpire Chad Whitson forced to exit as ...

An extreme heat warning is now in effect in City, with temperatures expected to top 100 degrees in the days ahead. The ...

An Extreme Heat Warning is in effect for most of Southern New England except the Berkshires. Heat impacts are expected Sunday ...

Extreme heat throughout the state has tens of thousands in southeastern Wisconsin batting the weather without electricity.

A dangerous and prolonged heat wave is set to impact central Pennsylvania, with heat index values potentially reaching 105 ...

A high school in the suburbs of New York City will be seeing double on graduation day this weekend: Among the nearly 500 ...

Metro Detroit weather: Extreme Heat Warning for Oakland, Macomb and Wayne counties starting Sunday morning. "This would seem ...

Much of the Midstate of Pennsylvania is under an Extreme Heat Warning, a first for the region. Sort of. The National Weather ...

An extreme heat warning has been issued for the City of Alexandria effective 11 a.m. to 9 p.m. on Monday, June 23, ahead of ...