Parts of California, Oregon and Washington state will experience extreme heat at least through Tuesday, forecasters said.

Climate change is causing more intense heat waves and droughts, which in turn sets the stage for more destructive wildfires.

Heat waves are like an “invisible tsunami,” said Dr. Marc Futernick, an emergency physician in Los Angeles. They can ...

In Oregon, the Flat Fire in Deschutes and Jefferson counties had grown to almost 34 square miles (88 square kilometers), with ...

Dangerously hot conditions hit states up and down the West Coast over the weekend, owing to a persistent heat wave stretching ...

About 1.2 million people were under extreme heat risk, meaning temperatures were expected to stay dangerously high with no ...

San Diegans enjoyed their Saturday afternoon at Mission Beach by soaking up the sun and cooling off in the ocean.

Residents in the western U.S. are enduring a heat wave, with temperatures reaching dangerous levels across Washington, Oregon ...

The fires erupted in the Angeles National Forest in Los Angeles County, in Trabuco Canyon in Orange County and in a remote area near Temecula in Riverside County, among other spots.

The Summer is nearing its end, and yet the last couple of days have proven the heat in Chico is far from over.Chico was ...