Fatal tornadoes struck North Dakota and New York, killing 4 people, as a massive heat wave threatens over 150 million ...

A rare and dangerous heatwave is sweeping across the United States, pushing temperatures into the triple digits across major ...

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 ...

Temperatures in Central Park are forecast to soar into the high 90s on Monday and Tuesday, but it will feel like it’s 105 degrees outside.

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.