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

Cities across the Midwest and eastern U.S. braced Sunday for another day of dangerously hot temperatures as a rare June heat ...

"A dangerous, widespread heat wave will bake the central and eastern U.S., bringing the hottest temperatures of the year and ...

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

All of Michiana has been placed under an Extreme Heat Warning, which will be in effect until Tuesday evening. During this ...

St. Louis, Chicago and Des Moines were among the cities that saw heat indexes hit triple digits on Saturday, with the East ...

Over 140 million Americans will be under the highest-level extreme heat alerts by Sunday during a wave of above-average ...

Temps may crack 100 for the first time in 13 years. The temperature made it to 91 on Saturday in Philly, and by the end of ...

A dangerous, record-breaking heat wave will spread over the eastern United States and is expected to last several days.

States in the Midwest and Northeast could reach record temperatures in the coming days: Here’s where and when.

A dangerous heat wave is sweeping from the Midwest to the Northeast, putting over 100 million at risk. Here's how to stay safe in the extreme temperatures.