Forecasters warn of scorching conditions in the Midwest and Great Lakes states. The Northeast is up next.

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…

Millions across the central and eastern U.S. could face days of triple-digit heat index values.

A heat wave will blast a large swath of the U.S. this week. The National Weather Service says temperatures will feel hotter because of the high humidity that's arriving with it.

A heat wave will blast the eastern United States this week

More than 130 million Americans in southern and Great Plains states were under moderate to severe heat risk over the weekend

Heat alerts span from Illinois to Florida and across the Northeast and New England.

Millions across the central and eastern United States are bracing for a prolonged and dangerous heatwave this week, with temperatures set to soar ahead of the Fourth of July…

A dangerous heat wave is bringing prolonged extreme heat to the Midwest and the East Coast this week.

Sweltering conditions are expected to last through the weekend

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

New York and Chicago could both see heat index values reach up to 110 degrees Fahrenheit.

The National Weather Service has issued heat warnings and watches for much of the Midwest and East heading into the holiday weekend. In many places, the temperatures could shatter…

Sweltering conditions are expected to last through the weekend

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

It's a hot one for millions of people in the Midwest and Great Lakes states

Forecasters warn of scorching conditions in the Midwest and Great Lakes states. The Northeast is up next.

The nation is gripped in a dangerous heat dome. Threatening millions of people in the Midwest and Eastern United States.

Residents have been urged to slash their energy use as the heat wave bakes the eastern U.S.