The NWS urges residents in the affected areas to monitor local forecasts "and be alert for possible Flood Warnings."

A catastrophic river has started to hit the state of California, which will lead to days of heavy rain, strong wind gusts, and potentially feet of snow as early as next week.

A strong atmospheric river is pummeling Southern California, bringing a widespread risk of floods and prompting evacuations.

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.

Parts of California saw a month's worth of rain in one day, and two deaths are being blamed on the heavy rainfall and the flooding it triggered. Andrew Kozak has more.

A powerful atmospheric river battered California over the weekend of November 13–17, 2025, unleashing historic rainfall that shattered decades-old records and exposed the state's vulnerability to intensifying extreme weather.

Though conditions began to improve on Nov. 16, forecasters warned that another storm system is expected to bring more rain on Nov. 17 and 18.