OC To Bake One More Day Before Dramatic Cooling

The Southland will bake for one more day today before the region’s three-day heat wave gives way to a cooling trend.

A heat advisory issued by the National Weather Service monitoring station in San Diego will be in force from noon to 6 p.m. in inland areas of Orange County.

The weather service forecast sunny skies today and highs of 81 in San Clemente; 83 in Avalon, Newport Beach and at LAX; 86 in Laguna Beach; 94 in Long Beach, 98 in Anaheim; 99 in Fullerton; 100 in Mission Viejo; 101 in Lake Forest.

Until lower temperatures kick in Saturday, helped by a return of onshore winds, highs in the 100s are again expected today in the San Gabriel, San Fernando, Santa Clarita and Antelope Valleys, and metropolitan Los Angeles will be in the mid 90s, according to National Weather Service forecasts. Saturday’s highs generally will be one to five degrees lower than today’s.

Humidity levels will remain higher than usual today, making it feel even hotter, although humidity will generally stay under 20 percent, forecasters said. For the first time this week, the National Weather Service did not specifically warn of an elevated danger of wildfire.

“High pressure and offshore flow will bring above-normal temperatures through Saturday,” according to the NWS. “The high will weaken Sunday for a cooling trend and below-normal temperatures by mid next week. An upper-level trough over the West Coast will bring increasing onshore flow and spread coastal clouds and fog inland each night through morning next week.”

Forecasters urged people to protect themselves and their loved ones. They said residents should stay well-hydrated, avoid working in the sun, check on neighbors and relatives -- especially the elderly -- and provide plenty of water to pets and livestock.

It is also critically important never to leave children, the elderly or pets in closed cars parked in hot weather, forecasters stressed.

City News Service