If rain falls as forecast, this storm could result in downtown Los Angeles seeing its wettest November since 1985. Heavy rain brings the possibility of damaging flooding and landslides.

A rare and powerful atmospheric river storm swept across California on November 12, 2025, triggering a statewide emergency as nearly 36 million residents faced flood and mudslide alerts. The National Weather Service issued warnings from Eureka to San Diego,

The incoming storm is expected to make landfall in San Diego County late Thursday and clear out by midday Friday.

Evacuation warnings were issued across L.A. County as a storm approached Southern California, bringing the potential for an early end to the fire season as well as risks of flooding and mudslides.

Southern Californians are bracing for a wet weekend due to an atmospheric river, which is threatening floods in areas scorched by wildfires and triggering evacuation warnings in certain parts of Los Angeles County.

The NWS has issued dense fog advisories across several Southern California counties, including Los Angeles, Orange, San Diego, Santa Barbara, San Luis Obispo, and Ventura. These warnings affect more than 10 million people, with significant implications for commuter and road safety throughout the region.

Around 23 million people across California are covered by flood notices Friday as Los Angeles braces for what could be a month's worth of rain in a day.