As heat waves continue to spread across the U.S., Good Morning America‘s Ginger Zee is clarifying one aspect of her recent on ...

Sometimes the temperature outside feels warmer than it is, and there's a reason. Here's a breakdown of the heat index.

Our area continues to be under a risk of extreme heat according to forecasters, who are using a new classification tool.

Basically, when the body sweats, the perspiration evaporates, cooling the body. When the humidity is high, the sweat doesn't ...

The Columbia area will be under a heat advisory on June 24 from 1 to 8 p.m. as temperatures are expected to reach dangerous ...

An "extreme" heat warning has been issued for 16 U.S. states on Tuesday morning. The National Weather Service is warning 16 U ...

Extreme heat warning have been issued for much of Massachusetts as temperatures are expected to break records.

A heat wave is currently affecting about 160 million people, according to the National Weather Service. Here's which states ...

Administrative Headquarters, Justice Center among affected buildings expected to open at 10 a.m. as heat advisory remains in ...

East Tennessee under Heat Advisory with heat index up to 107 degrees, facing a risk of severe thunderstorms later in the, ...

Metro Detroit's heat wave is finally ending Tuesday, sparking the return of cooler conditions but also the return of ...