Much of the U.S. is under extreme heat warnings or advisories while New York, Philadelphia and Washington could feel like 100 degrees or more.

Sauna-like conditions on Friday are threatening to break records in major Northeast cities during summer’s hottest month ...

"I started really watching the data that was available from our government... I decided I wanted other people to be able to ...

Friday brought the worst of summer's wrath - high temperatures and fast-moving thunderstorms. But can New York City expect a ...

The extreme heat is prompting several warnings for the NYC area today, including a heat advisory and an air quality alert.

A heat advisory is in effect for City through Friday evening, with heat index values expected to reach up to 105 degrees.

Extreme heat returned to the tri-state area with a vengeance Friday, pumping feels-like temperatures near 110 degrees in parts of New Jersey as the entire metropolitan area braces for afternoon ...

Severe and extreme heat-related impacts are expected across a wide swath of the U.S. this weekend and next week.

If the heat and humidity weren’t enough, now New Yorkers have to brace for potential downpours on Friday afternoon. Heavy ...

Extreme heat and humidity, as well as the threat for severe storms, are expected Friday in NYC. Here's what you need to know.

At least 100 Americans are on alert for dangerous heat and humidity -- stretching from Texas to Maine -- on Friday.

"We don’t have to choose between reliability and affordability on one side, and public health protections on the other.