Flood Watch Warning Issued For Southern California

December 31, 2025 ·

Photo courtesy of Boris Misevic.

SANTA MONICA—On Tuesday, December 30, the National Weather Service office in Los Angeles and Oxnard issued a flood watch alert at 11:26 a.m. for parts of Southwest California. It is in effect from 10 p.m. on Wednesday until 10 p.m. on Thursday.

The reason for the warning is the excessive rainfall from the recent storm, which may cause flooding in streams, rivers, and creeks, as well as in urban areas and low-lying areas with poor drainage.  In addition, the rain may cause rock and mudslides. The low-water crossing might flood, and debris might flow near burn scars left by the wildfires.

The cities impacted by the flood watch include Topatopa Mountains, Refugio State Beach, Mount Wilson, Wrightwood, Hollywood, Big Pine Mountain, Culver City, San Gabriel, East Ventura, Gorman, Pomona, Moorpark, Figueroa Mountain, Santa Barbara, Mill Creek, Simi Valley, Ozena, Norwalk, Newbury Park, Torrance, Beverly Hills, Piru, Oxnard, The Angeles Crest Highway, Malibu Lake, Long Beach, Goleta, Oat Mountain, Downey, La Canada Flintridge, Pasadena, El Capitan State Beach, Woodland Hills, Northridge, Fillmore, Camarillo, Sunland, Lake Castaic, Oak View, Westlake Village, Rancho Palos Verdes, Malibu Bowl, Llano, Warm Springs, San Rafael Mountain, Lake Palmdale, Acton, Pacific Palisades, Valencia, Mount Baldy, Newhall, Montecito, Ojai, Meiners Oaks, Thousand Oaks, El Monte, Port Hueneme, LAX, Compton, Gaviota, Pyramid Lake, Universal City, Pearblossom, Santa Clarita, Chatsworth, Valyermo, Burbank, Malibu, Matilija, Montecito Hills, Jalama Beach, Glendale, Van Nuys, Tejon Pass, Topanga, Elizabeth Lake, Santa Paula, Rose Valley, East Los Angeles, San Marcos Pass, Redondo Beach, Santa Monica, Point Mugu, Carpinteria, Ventura, Lockwood Valley, and Mount Pinos.

The National Weather Service advises residents to monitor future forecasts and to be alert for possible flood warnings.

By Daniel Diquinzio

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