A heat wave will blast much of the eastern U.S. this week, and forecasters say temperatures will feel even hotter because of ...

Extremely dangerous heat, coupled with humidity, could result in heat index readings of 100 to 115 degrees from the Midwest ...

Dangerous heat could coincide with July 4 festivities as a heat dome pushes temperatures into the 90s and low 100s.

Boston and New England are now into one of the most intense stretches of extreme, triple-digit heat on record. A massive heat ...

The Midwest will get a break but temperatures for much of the East Coast will again climb above 100 degrees. Stay indoors as much as possible, experts said. By Amy Graff and Erin McCann Weather team ...

The U.S. is looking at an unwelcome birthday gift: a dangerous heat wave arriving ahead of the holiday weekend. Limited time: ...

Summer has barely started in the Northern Hemisphere, but already it’s offering an oppressive preview of life on a hotter ...

More than 160 million people are under extreme heat warnings or heat advisories ahead of the Fourth of July weekend.

Half of all Americans are facing prolonged, dangerously heat as they head outdoors to celebrate the country’s 250th ...

These unbearably hot and humid summer months are typically made possible by phenomena known as “heat domes.” ...

A fast-food restaurant helped out last week, saying the hospital could take its ice. Staff also bought ice from the ...

Track extreme heat alerts with this interactive map.