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

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

Heat indices could spike into the triple digits on June 22 and June 23 as both the temperature and humidity reach their ...

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

The first significant heat wave of the summer is taking aim at a huge chunk of the United States later this week, and ...

STATEN ISLAND, N.Y. — After weeks of predominantly chilly and wet weather, New York City will finally see some summer heat.

A heat wave is in the forecast for eastern Nebraska this weekend, with the heat index predicted to reach triple digits.

A wild stretch of weather is expected to engulf the NYC area in the coming days, bringing a mixed bag of heavy rain, ...

NWS issues severe weather forecast for Washington D.C., with thunderstorms and high heat index warnings for the coming days.

NWS meteorologist Andrew White characterized the forecast as "definitely the hottest stretch we've seen so far." The oppressive heat will come after a stormy week. Beginning on June 21 ...