Southwest heat wave threatens California with triple-digit heat and fires.
After a damp winter and dreary spring, California's summer began Thursday with a heat wave.
Southwest brings wildfires & triple-digit temperatures. The National Temperatures Service warned central & southern Californians to expect the hottest temperatures of the year Friday and over the weekend.
Desert areas were expected to reach 120 degrees (48.8 C) at midday. 80s (26.6 C) overnight are possible.
Interior LA, Ventura, Santa Barbara, and SLO counties had a heat watch until Sunday. The LA weather service advised hikers to plan ahead.
Take pauses, work outside early, and hydrate! Employers were advised to give outdoor workers water, shade, and cooling breaks.
Jeff Killip of the Division of Occupational Safety & Health said the state will spot check workplaces for compliance.
On Wednesday, the National Weather Service reported 111 million Americans under extreme heat advisories, watches, and warnings, mostly in the Southwest.
Elderly, homeless, and others are at risk from the long-term heat wave, forecasters said. Heat may persist until next week as a Texas high pressure dome creeps west.