An early-season heat wave is expected to build across much of the eastern United States next week, pushing temperatures into ...

Millions in the densely populated Northeast will be exposed to abnormally warm temperatures that could be dangerous this week.

An early-season heat wave is expected to bring the first real stretch of summer-like weather to Ohio next week.

A long-duration heat wave is taking shape over the western half of the U.S. and is forecast to stick around in the days ahead. A high-pressure system in place over the West is keeping precipitation ...

As a heat wave envelops the West, 32 million people from Texas to California are on alert for life-threatening temperatures. Thursday and Friday will be the hottest days, when temperatures could ...

On Friday, the meteorologists upgraded the alerts to extreme heat warnings, the highest level of heat alert issued by the NWS. Extreme heat warnings were also issued in Arizona, and less severe heat ...