Weather Alert! • HIGH WINDS • Sylmar

Posted on 03/03/2026

URGENT - WEATHER MESSAGE
HIGH WINDS - Sylmar
March 4, 06:00 PM PST 
until 
March 5, 09:00 AM PST 

National Weather Service Los Angeles/Oxnard CA
North winds 20 to 30 mph with gusts up to 45 mph expected. Estimated up to 50-60 mph in certain areas. - Calabasas and Agoura Hills, Eastern San Fernando Valley, Santa Clarita Valley, Santa Susana Mountains, Southeastern Ventura County Valleys, and Western San Fernando Valley.

This wind event begins Wednesday afternoon, bringing 35–50 mph gusts to the mountains and valleys before peaking with a stronger Santa Ana event on Friday and Saturday.

Damaging gusts of up to 70 mph are possible in high-risk corridors, posing a significant threat of downed trees, power outages, and hazardous crosswinds for high-profile vehicles.

Cold air following the gusts will drop snow levels to 4,000 feet, creating a 10% to 20% chance of light snow over the Grapevine on Thursday morning. (Sylmar's elevation 1,100 -1,700 feet)

https://forecast.weather.gov/MapClick.php?lat=34.3067765&lon=-118.4310623

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