LOS ANGELES (CBSLA.com) — Fall weather has finally arrived in Southern California, bringing with it a double wallop of frigid temperatures and red flag warnings.

The first frost advisory of the season will be in effect in the Antelope Valley from 3 a.m. to 9 a.m., meaning pets should be brought indoors and measures should be taken to protect outdoor plants.

Temperatures in the area will be in the low to mid 30s and even colder 24 hours later, when they’ll fall to the high 20s, according to the National Weather Service. A hard freeze watch will be in effect in the Antelope Valley from late Thursday night into Friday night.

A red flag warning will be in force Thursday from 6 a.m. through 6 p.m. Friday in the San Gabriel Mountains in L.A. and Ventura County, the Angeles and Los Padres National forests, the Santa Monica Mountains recreational Area, the San Fernando and Santa Clarita valleys and the L.A. County coastal zone, a sprawling built-up area that takes in beach cities – including Long Beach and Malibu – metropolitan Los Angeles, including downtown, and the Hollywood Hills.

National Weather Service forecasters expect Santa Ana winds to blow at between 20 and 35 miles per hour with gusts of up to 55 mph in the San Gabriels, the Santa Monicas and the forests, and at between 15 and 30 mph with gusts of up to 50 mph in the coastal zone and the Santa Clarita and San Fernando valleys.

Humidity will be between 5 and 15 degrees, and temperatures will ranges mostly from the low to mid-70s.

(©2016 CBS Local Media, a division of CBS Radio Inc. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. Wire services contributed to this report.)

Comments (5)
  1. oscargoldman says:

    A “red flag” warning? So… we’re to be on the lookout for RED FLAGS?

    This is idiotic.

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