Winter Storm Warning: Southern California braces for extreme conditions

Cold temps, snow hit Frazier Park

A Winter Storm Warning was in effect for the 5 Freeway corridor as a cold system moved through the region.

LOS ANGELES - A formidable winter storm swept through Southern California, particularly impacting the 5 Freeway corridor on Thursday. The system brought high winds, heavy snowfall, and coastal threats, which prompted warnings and advisories across the region.

As the storm approached the region Wednesday, winds intensified and reached gusts of 50-80 mph. Snow flurries began falling along the 5 Freeway corridor in Ventura and Los Angeles counties.

In other areas, officials watched for high surf and the looming threat of coastal flooding.

High surf, possible flooding expected in Ventura Co.

Forecasters warned about the possibility of flooding in Ventura County.

Watches/Warnings/Advisories:

High Wind Warning: Highest gusts was reported at 77 mph northwest of Avalon on Catalina Island.

Wind Advisory: A Wind Advisory expired at noon for Santa Barbara, Ventura, and Los Angeles counties. Gusts up to 55 mph were expected.

High Surf Advisory: Through Thursday 9:00 p.m. for Los Angeles, and through Friday morning in Santa Barbara and Ventura counties' west-facing beaches. Surf heights of 6-9 ft. for Los Angeles and Ventura counties and 12-17 ft. for Santa Barbara County. Dangerous rip currents are anticipated.

Coastal Flood Advisory: Until Friday 12 p.m. in Orange County

Frost Advisory: Temperatures 30-35 degrees overnight through Friday morning for valleys across the area.

Winter Storm Warning: Was effective from Wednesday 4:00 p.m. to Thursday noon for Ventura and Los Angeles counties along the I-5 corridor. Anticipated conditions included 2-5 inches of snow, gusts up to 80 mph, blowing snow, and near-zero visibility.

A winter storm passes through Southern California on Jan. 11, 2024. (Mario Ramirez KTTV)

Downtown L.A. Official High Temp: 63 degrees

Weather Forecast for Thursday, Jan. 11

The latest forecast and air quality conditions for the greater Los Angeles area, including beaches, valleys and desert regions.

Weather Timeline:

Thursday: Winter storm conditions were expected on the 5 Freeway corridor, causing potential travel problems. Chances of rain and snow with gusty, damaging winds, high surf, and a likelihood of coastal flooding. West of the mountains, areas over 3500 ft. could see 1-5 inches of accumulation.

Friday through Saturday: A gradual warming and drying trend.

Sunday: Slight chances of rain and windy conditions.

Monday: A slow warming trend is expected, bringing temperatures back to average.

Residents and commuters are advised to stay informed and exercise caution, especially on the I-5 corridor, where winter storm conditions may lead to possible closures.