Millions of Americans are facing dangerous heat and humidity going into the July Fourth holiday as a major heat wave spreads across large parts of the central and eastern United States. For many ...

A dangerous heat wave​ arrives in Philadelphia and the surrounding suburbs this week, where each day temps could surpass 100 degrees.

Meteorologist Orelon Sidney breaks down what to expect this week in the Southeast: a potential tropical system off the coast, ...

A widespread heat wave is pushing dangerously high temperatures across large parts of the United States this week.

Four-day heat wave hits NW Oregon and SW Washington Monday, with Portland nearing 98 by midweek. Heat Advisory and Extreme ...

A prolonged, dangerous heat wave will intensify across most of the central to eastern U.S. this week, the National Weather Service said.

As Pittsburgh's temperatures climb toward triple digits, these are the key heat-related weather terms you should know.