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

The heat wave is expected to continue into the week putting millions of Americans in the Midwest and Northeast under heat ...

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 ...

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

A line of potentially severe storms has its eyes on the tri-state Sunday morning, providing a threat of strong winds and ...

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 ...

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

The Lehigh Valley is under an extreme heat warning as dangerously hot conditions are expected to arrive Sunday morning and ...

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