As extreme heat grips the East over July 4 weekend, Census data reveals major gaps in air-conditioning access nationwide.

Meteorologists warn extreme heat and sudden storms could force cancellations or alter plans for communities nationwide.

Multiple U.S. cities could feel hotter than California's Death Valley, known as the hottest place on Earth, on Friday.

The Weather Prediction Center (WPC) is proposing changes to its National Forecast Charts and is seeking feedback to improve ...

Extremely dangerous heat, coupled with humidity, could result in heat index readings of 100 to 115 degrees from the Midwest ...

Eighteen states throughout the U.S. could see extreme heat this week with temperatures soaring past 100 degrees.

A heat wave will blast much of the eastern U.S. this week, and forecasters say temperatures will feel even hotter because of ...

A heat wave will blast much of the eastern U.S. this week, and forecasters say temperatures will feel even hotter because of ...

Not only was the United States of America a newborn nation, but a new standard of weather observation was taking place ...

Extremely dangerous heat, coupled with humidity, could result in heat index readings of 100 to 115 degrees from the Midwest ...

Ask anyone who has lived through a Texas tornado warning, a Louisiana August, or a Minnesota winter that refuses to end, and ...

As the U.S. is set to suffer a massive heat wave, much of the country is already in drought. Here's how your area measures up ...