Powerful Winter Storm Threatens LA Coast with Gale Warnings, Thunderstorms

Heavy rain, high winds, and potential for flooding and debris flows put residents on alert across Southern California

Published on Feb. 17, 2026

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A powerful winter storm system is lashing California's coast with heavy rain, high winds, and the potential for dangerous flooding and debris flows. The National Weather Service has issued a gale warning and severe thunderstorm threats for the Los Angeles area, with southwest winds up to 35 knots and combined seas of 6 to 9 feet. Residents in neighborhoods scarred by wildfires have been placed under an evacuation warning due to the risk of mud and debris flows. The storm is also expected to dump up to 8 feet of snow on the western slope of the Sierra Nevada and northern Shasta County.

Why it matters

This powerful winter storm poses a significant threat to the Los Angeles area, which has already experienced devastating wildfires and flooding in recent years. The combination of high winds, heavy rain, and the potential for flash flooding and debris flows could lead to widespread damage and disruption, especially in vulnerable communities. The storm also highlights the ongoing challenges California faces in dealing with the impacts of extreme weather events driven by climate change.

The details

The National Weather Service has issued a gale warning through 2 a.m. Tuesday for the inner waters from Point Mugu to San Mateo Point, including Santa Catalina and Anacapa islands. Forecasters are warning of southwest winds of 20 to 30 knots, gusts up to 35 knots, and combined seas of 6 to 9 feet, which could capsize or damage vessels. A special marine warning has also been issued for the same waters due to severe thunderstorms capable of producing waterspouts, with wind gusts exceeding 50 knots. Los Angeles area residents in neighborhoods scarred by last year's wildfires have been placed under an evacuation warning through Tuesday due to the potential for mud and debris flows.

  • The gale warning is in effect through 2 a.m. Tuesday.
  • The severe thunderstorm threat is in effect on Monday.
  • The evacuation warning for Los Angeles area residents is in effect through Tuesday.

The players

National Weather Service

The federal agency responsible for weather forecasting and issuing weather-related warnings and advisories.

Karen Bass

The mayor of Los Angeles who ordered emergency crews and city departments to be ready to respond to any problems caused by the storm.

Kashawna McInerny

A resident of the mountain community of Wrightwood who is preparing her home for the incoming storm by trenching her side yard and placing barriers to keep mud and debris from entering her home.

Pacific Gas & Electric

The utility company that is using artificial intelligence and machine-learning enhanced weather models to determine where to send crews and equipment ahead of the storm.

California's Office of Emergency Services

The state agency that is placing fire and rescue personnel and resources in areas most at risk for flooding, mud and debris flows.

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What they’re saying

“We must not let individuals continue to damage private property in San Francisco.”

— Robert Jenkins, San Francisco resident (San Francisco Chronicle)

“Fifty years is such an accomplishment in San Francisco, especially with the way the city has changed over the years.”

— Gordon Edgar, grocery employee (Instagram)

What’s next

The judge in the case will decide on Tuesday whether or not to allow Walker Reed Quinn out on bail.

The takeaway

This case highlights growing concerns in the community about repeat offenders released on bail, raising questions about bail reform, public safety on SF streets, and if any special laws to govern autonomous vehicles in residential and commercial areas.