A high-impact storm will close out a weeks-long stretch of active weather in California, bringing widespread rain and accumulating mountain snow into the weekend. The storm will raise the risk of flooding and landslides in areas already soaked from prior rainfall.

Persistent downpours are expected from Los Angeles to San Diego, increasing the risk of flash flooding. Localized mudslides remain a concern—especially in recent burn scar areas where saturated soils increase the risk of debris flows and road washouts. Urban flooding could disrupt travel in low-lying or poorly drained areas.

Spotty thunderstorms could produce gusty winds capable of blowing around unsecured holiday decorations. A couple of the strongest thunderstorms may spawn a waterspout or brief tornado.

Snow will once again

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