The official heat wave will begin Monday after yesterday fell just below the 90-degree mark thanks to the spotty storms.

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

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

A dangerous heat wave is expected for the Philly area this week evening, with temperatures reaching 100 degrees. Here's ...

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

An expansive heat dome that has already broken dozens of record-high temperatures on Friday and Saturday will continue Sunday ...

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