Spring heat wave brings scorching temps to Southern California

Southern California residents are about to get a big taste of summer, with temperatures expected to soar across the region starting Wednesday and continuing through the workweek.

A heat advisory will be in effect in parts of Los Angeles County from 11 a.m. Wednesday until 6 p.m. Friday, with temperatures expected to reach 100 degrees, according to the National Weather Service.

The hottest temperatures are expected in the Santa Clarita, San Gabriel and San Fernando Valleys.

Temperatures are expected to reach 100 degrees in Pasadena, San Gabriel and Pomona.

RELATED: Parts of SoCal break record high temperatures amid spring heat wave

In Orange County, a heat advisory will be in effect from 11 a.m. Wednesday until 6 p.m. Friday as temperatures are expected to reach 100 degrees, according to the National Weather Service.

The hottest temperatures are expected in the Orange County inland areas, Santa Ana, Anaheim, Garden Grove, Irvine, Orange, Fullerton and Mission Viejo, on Thursday and Friday.

A Heat Advisory goes into effect in the Inland Empire beginning 11 a.m. Wednesday through 6 p.m. Friday. The NWS predicts some communities could reach a high of 102 degrees. 

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Hot temperatures may cause heat-related illnesses in some people.

The National Weather Service recommends drinking plenty of fluids, stay in air-conditioned areas and out of the sun, and check on relatives and neighbors. Pets and young children should not be left in unattended vehicles.

Schedule strenuous outdoor activities to early morning or evening and know the signs of heat exhaustion and heat stroke. Wear lightweight clothing when outdoors.

The Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air-conditioned environments.

Tune in to FOX 11 Los Angeles for the latest Southern California news.