The National Weather Service has issued a heat advisory for Rhode Island and other parts of Southern New England.

Dangerous heat and humidity are returning to the Lehigh Valley, which is under a heat advisory Tuesday and Wednesday.

Extreme heat warning issued for southeast Louisiana and southern Mississippi with heat index values up to 114.

An extreme heat warning and an extreme heat watch were issued by the National Weather Service in Jacksonville for July 28 and ...

The National Weather Service has issued a heat advisory for New Jersey and greater New York starting July 28 and running through July 30.

Severe thunderstorms could continue into July 29, bringing havoc to morning commutes in Chicago, Milwaukee and Indianapolis.

New York City is experiencing the fifth heat emergency of the summer as the next three days are expected to see a heat value ...

Stay hydrated. Drink plenty of water even if you are not thirsty. Avoid strenuous outdoor activities during the hottest part of the day (10 a.m.–4 p.m.). If you do have to be outdoors, wear ...

NWS issues a heat advisory for parts of Oklahoma and northern Texas, citing heat index values up to 110 degrees.

Heat index values could reach as high as 106. Temperatures are expected to cool down later this week. Here's what to know about the forecast.

A dangerous heatwave is sweeping the U.S., with temperatures in the upper 90s to low 100s and heat index values above 110°F.

Dallas faces a Heat Advisory today as temperatures climb to 105+. Get ready for the hottest days of summer so far!