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

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

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

Some state prison systems are moving to install air conditioning and expand cooling measures, while efforts have stalled in ...

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

A swath of the Midwest and West were bracing for storms and possible flooding as a "monsoonal flow" was forecast to sweep ...

A fast-spreading wildfire in California's wine country sparked evacuation orders as firefighters battled the blaze Saturday.

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

An Extreme Heat Warning has been issued for large parts of California as the Golden State remains in the grip of the most severe heatwave of the year. Temperatures are expected to surge past 105F in ...

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 ...