Tens of millions of people are under extreme advisories as a heat dome shifts from the Midwest to the Northeast.

In Cleveland, the National Weather Service warns heat indexes will climb into the 100 degree range from Saturday into ...

Cities across the Midwest and eastern U.S. braced Sunday for another day of dangerously hot temperatures as a rare June heat ...

When summertime heat and humidity surge to unseasonably high levels, it can have dramatic effects on humans, animals, ...

The temperature made it to 91 on Saturday in Philly, and by the end of the workweek, that kind of heat may seem like a cool ...

AAA's Jana Tidwell says now is the time to pack a vehicle emergency kit. When you leave the comfort of your home and have to ...

Extreme humidity and heat will affect around 265 million people across the country this week. Maps show where and when to ...

The City of Philadelphia's Department of Public Health has declared a heat health emergency that will be in effect starting ...

As the Philadelphia area braces for extreme heat, thousands of homes remain without power following Thursday's storm.

The forecast temperature at kickoff is 91 degrees, and fans are allowed to bring in water. There will likely be familiar ...

Heat alerts have been issued from Colorado to Maine, including more than 150 million Americans. Heat index values in the ...