The National Weather Service has issued another Heat Advisory through 8 p.m. on Wednesday for most of Massachusetts.

The National Weather Service issued a Heat Advisory for parts of North Texas, including Denton County, Tuesday morning with ...

Dangerous conditions continue across Florida Tuesday, July 29, with most of the state under either extreme heat warnings or ...

Possible record-breaking heat is on tap for the Philadelphia area for the next two days, with added humidity that will make conditions feel much warmer.

New York State issued an air quality health advisory for Tuesday and Wednesday, with ozone the pollutant of concern.

Residents in the Southeast U.S. are no strangers to hot weather in the summertime, but the sweltering heat this week set at ...

Major cities under heat alerts Monday include Dallas, Oklahoma City, St. Louis, Chicago, Memphis, Atlanta, Tampa, Charleston, New York, Philadelphia and Boston.

Millions of Americans are under heat alerts Monday as a heat wave brings triple-digit temperatures or heat indices to nearly ...

More than 200 million people across most of the United States are on alert for widespread, dangerous heat on Monday.

The National Weather Service has issued a heat advisory on July 28 as feels-like temperatures break 100 degrees.

A heat advisory has been issued for Monday, Tuesday and Wednesday for heat indices forecasted to reach 100 degrees for the ...