The excessive rainfall also has the potential to raise the dangers associated with flash flooding, according to the National Weather Service. Areas at risk of flash flooding include the southern slopes of the Santa Monica, San Gabriel and San Bernardino mountains. California Holiday storm: SoCal evacuations, road closures and safety tips ‘There will almost certainly be numerous mudslides, severe flooding either from heavy rain or clogged storm drains, and possibly debris flows,’ the National Weather Service said. Los Angeles County residents can sign up with Alert L.A. County, Notify L.A. and Nixle to receive notifications via text message or email. Stay updated on weather forecasts by tuning in to your local news broadcast station and checking the National Weather Service Los Angeles office website.

Source: Los Angeles Times December 23, 2025 21:01 UTC