After a record-setting day of hot temps Friday (Philly hit 98°, breaking the record of 97), we'll get a bit of a break this ...

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.

As Glenn Frey sang about in the 80s, "The Heat is On" on Friday in the Philadelphia region. We'll be pushing 100 degrees, ...

How hot will it get as the humidity builds and a heat dome spreads toward the Northeast? What is a heat dome? Here's what to ...

Another possible heatwave is on the way for parts of the Northeast on Friday, and those temperatures could break some heat ...

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

Life-threatening heat is enveloping the eastern U.S., with some cities bracing for what could be their highest temperatures ...

How to stay cool in a heat wave — even without air conditioning ... Stream Philadelphia News for free, 24/7, wherever you are with NBC10. WATCH HERE. So here are some tips to stay safe.

As previous disasters have laid bare the US’ vulnerabilities to other types of extreme weather, this week is revealing strains in infrastructure and highlighting public health risks when faced with ...

A life-threatening heat wave has enveloped the East Coast, hitting major cities with the worst of the high temperatures on Tuesday before relief moves in.