After an atmospheric river brought mudslides, debris flows, toppled trees and flooding to Southern California over the weekend, another colder storm began hitting the region on Monday. Weather officials in response issued flood and snow advisories for parts of the region urging people to stay safe.

Hazem Seifelnasr, 13, walks in windy rain with broken umbrellas after leaving Van Nuys High School on Monday, Nov. 17, 2025. (Photo by Sarah Reingewirtz, Los Angeles Daily News/SCNG)

Besides the advisories, a flash flood warning was in place for parts of northern LA County until 9 p.m. Monday including Pasadena, Altadena, Pacoima, Sun Valley, Monrovia and Azusa.

A “pretty notable” atmospheric river landed over the region this weekend, along with some damage, bringing one to six inches of

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