Windstorm Southern California 2025 Forecast. A major windstorm could be the strongest in more than 10 years for some parts of southern california, downing trees and knocking out power while also generating dangerous. Santa ana winds are set to bring dangerous.

A major windstorm could be the strongest in more than 10 years for some parts of southern california, downing trees and knocking out power while also generating dangerous. A wind advisory is in effect in the delta, carquinez strait, southern sacramento valley and sierra through 7 a.m.