It’s the hottest time of the year in the United States and another heat dome is about to make millions of people feel every bit of it.

The National Weather Service has warned of "searing heat and oppressive humidity that occurs during the 'dog days of summer'.

Heat index values will top 110 degrees in parts of the country Wednesday, while South Texas could see its highest ...

Extreme heat warnings are in effect for parts of Arkansas, Missouri, Illinois, Kentucky, Tennessee, Mississippi and Louisiana.

"Expect some localized daily record highs to be broken in the Southeast, with an even larger swath of daily record warm ...

Dangerous heat and humidity will be in place on Wednesday which may help fuel strong thunderstorms during the evening hours. Therefore, Wednesday is an ALERT DAY!A high pressure ridge over the ...

More than 37 million Americans are under heat advisories across the U.S., according to the National Weather Service. Here's ...

A potentially record-breaking heat wave is pushing to the East, impacting millions of Americans in several states and cities.

The United States is experiencing extreme heat this summer so brutal that it's killing people who have no access to air conditioning. July, in fact, was the hottest month on record.

Extreme humidity and triple-digit temperatures are affecting around 250 million people across the United States. Here's the ...

The Club World Cup is experiencing severe heat waves across the United States, with scorching temperatures at some venues.