There's an "extreme" Level 4 heat warning for eight U.S. states on Sunday, June 22. The National Weather Service is warning ...

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.

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

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

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

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

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

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 ...

The City Philadelphia also has declared a heat emergency, as has Montgomery County. Meanwhile, more than 50,000 PECO ...

Expect dangerously hot conditions with heat index values topping 100 degrees. Heat-related illnesses increase significantly ...