A heat wave will blast a large swath of the U.S. this week. The National Weather Service says temperatures will feel hotter ...

"These levels of heat mean health impacts become more likely in general," the National Weather Service warned.

Dangerous heat could coincide with July 4 festivities as a heat dome pushes temperatures into the 90s and low 100s.

Extreme heat is forecast through July 4 across the lower Great Lakes, the mid-Atlantic, and the Mississippi and Ohio River ...

Summer heat waves are on their way. To keep yourself and loved ones safe, it's important to know your heat risk.

A technique where emotion meets logistics.