A heat wave is on the way to the Pittsburgh area and will soon blanket the region with extremely hot temperatures in the 90s ...

Friday marks the start of summer and the Philadelphia region's weather will be at its nicest and most comfortable of the next ...

Heat is the number one killer -- and it’s heading to the most densely populated part of America for a prolonged period.

The first major U.S. heat wave of the year starts on Friday. It brings dangerously high temperatures and is expected to last ...

As a heat advisory is in effect for Alaska, the risk of heat related illness is very high, according to the Chief of the ...

The National Weather Service called the warm and above-average temperatures coming in behind the system "the first ...

A “significant and extremely dangerous heat wave” is expected to send temperatures soaring across much of the United States ...

Record-breaking heat indices — a combination of temperatures and humidity to determine how heat really feels to the body — ...

NYC is expected to be hit with extreme heat over the next several days, even a potential heat wave early next week.

British health officials are warning people across the country to take precautions when out in the sun as the U.K. has its ...

First, on Friday, the first day of summer, central Pennsylvania will enjoy some nice weather: sunshine, high temperatures in ...