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 ...

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

Wildfires in California wine country and central Oregon are expanding, prompting hundreds of evacuations. Hundreds of firefighters backed by helicopters were working Sunday to try to contain ...

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

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

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

Residents of the Western U.S. sweltered in a heat wave Saturday that hospitalized some people, with temperatures forecast to ...

A miscalculation allowed a small blaze to roar out of control last month, destroying a historic lodge and other buildings on ...

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.