More than 185 million people across most of the United States are on alert for widespread, dangerous heat on Monday.

A triple-digit heat wave arrives in Southern California on Wednesday, affecting inland communities, increasing health concerns.A KCAL News Next Weather Alert is in effect through Friday for the Inland ...

Much of the U.S. is under extreme heat warnings or advisories while New York, Philadelphia and Washington could feel like 100 degrees or more.

Triple-digit temperatures continue Thursday, the third and final day of a heat wave.KCAL News issued a Next Weather Alert for the three-day event, in effect for the Southern California valleys, high ...

About half the country is under active heat advisories on Monday, affecting more than 198 million Americans, according to the National Weather Service . The extreme heat is expected in the Midwest, ...

A phenomenon called "corn sweat" could exacerbate the impacts of the extreme heat blanketing a large portion of the U.S., ...

California extends Thursday's Flex Alert by 2 hours with ... Southern Californians can expect a slight break from the intense temperatures this weekend but an excessive heat wave will remain in ...

SAN FRANCISCO -- A statewide Flex Alert is in effect today with extreme heat expected to strain the state's power grid. Utility companies will focus on energy conservation during peak hours from 3 ...

Numerous states could see heat index values higher than those expected in Death Valley on Thursday, according to the NWS.

Heat doesn’t just mean canceled events. It also poses a health risk. If you can’t afford to cool the whole house, make a “cool space” to sleep in.

Places to cool off in Southern California during the latest summer heat wave. Iman Palm. Thu, July 10, 2025 at 6:02 PM UTC. 1 min read.