A prolonged, dangerous heat wave will continue to intensify across most of the central to eastern U.S. into the Fourth of July weekend.

Dangerous heat is expected across large swaths of the U.S. this week, according to the National Weather Service.

A heat wave will blast a large swath of the United States this week. The National Weather Service says temperatures rising ahead of the July 4th holiday will feel hotter because…

A heat wave will blast the eastern United States this week