The National Weather Service issued a Severe High Wind Warning for parts of California on 15 October 2026 affecting the Western Santa Monica Mountains Recreational AreaSanta Susana MountainsInterstate 5 CorridorWestern San Gabriel Mountains and Highway 14 Corridor and the Eastern San Gabriel Mountains, effective from 15 October 2026, 07:38 until 16 October 2026, 20:00.
The warning matters because northeast winds of 25 to 45 mph with gusts of 50 to 70 mph were forecast, conditions that could blow down trees and power lines and produce widespread power outages. Travel was expected to be difficult for high profile vehicles and emergency services advised preparedness and caution, including securing outdoor objects and avoiding parking under trees.
Timing and forecast details
The bulletin set the effective window spanning 15 · 07 · 38 through 16 · 20 · 00 on 16 · 2026 · October, and reiterated the potential for northeast winds 25 to 45 mph with gusts of 50 to 70 mph across named zones. The advisory language noted that these winds could lead to damaging conditions, with travel impacts particularly acute along the Interstate 5 Corridor and Highway 14 Corridor.
Geographic scope and affected areas
Locations specifically listed included the Western Santa Monica Mountains Recreational Area the Santa Susana Mountains the Western San Gabriel Mountains and the Eastern San Gabriel Mountains as well as corridors along Interstate 5 and Highway 14. Authorities highlighted the Redding-area and other Northern zones in a related fire-weather advisory that had been expanded earlier in October for parts of the state.
Safety guidance and related alerts
Officials advised residents to prepare for widespread power outages and to have plans for loss of electricity, urging people to secure outdoor objects and exercise extra caution when driving. The guidance noted that in an emergency the public should call 911. The National Weather Service also maintained overlapping fire-weather notices in Northern California, which had detailed wind and humidity forecasts and named specific fire weather zones.
Last update: 15 October 2026. The situation remained in evolution and residents in the named mountain and interstate corridors were advised to follow further instructions from local authorities and the National Weather Service.
