Tens of millions of people across the Midwest and East endured dangerously hot temperatures again on Sunday as a sprawling ...

A multiday heat wave is bringing high temperatures and health risks from the Midwest to the Northeast, prompting warnings and ...

The City of Philadelphia's Department of Public Health has declared a heat health emergency that will be in effect starting ...

AAA's Jana Tidwell says now is the time to pack a vehicle emergency kit. When you leave the comfort of your home and have to ...

Record-smashing daytime temperatures near 100 degrees are expected for millions from the Plains to the East Coast this week, ...

Monday – already expected to see high heat and humidity combine for a heat index that could reach 110 – will also feature ...

The heat wave is expected to continue into the week putting millions of Americans in the Midwest and Northeast under heat ...

Extreme humidity and heat will affect about 265 million people across the country this week. Maps show where and when to ...

As the Philadelphia area braces for extreme heat, thousands of homes remain without power following Thursday's storm.