Sweltering heat and high humidity gripped the Washington, D.C., area Monday, with temperatures climbing into the mid-90s and heat index values reaching up to 102 degrees.

The National Weather Service has issued a three-day heat advisory affecting nearly every county in the state through ...

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

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