Greater than 41 million Individuals throughout California, southern Nevada and northwest Arizona are beneath flood watches on Wednesday amid a uncommon, excessive threat for extreme rainfall and flooding.
This consists of main metros like Los Angeles, San Francisco, Sacramento, California, San Diego and Las Vegas.
The extreme climate sparked thunderstorm and temporary twister warnings in elements of California as a sequence of atmospheric rivers introduced high-intensity rainfall and powerful winds, growing the chance of flooding, landslides and quickly rising creeks and rivers.
California Gov. Gavin Newsom issued a state of emergency in Los Angeles, Orange, Riverside, San Bernardino, San Diego and Shasta counties.
“California is appearing early and decisively to do all we are able to to get forward of harmful winter storms. The state has pre-positioned assets, activated emergency authorities, and we’re working carefully with native companions to guard communities and maintain Californians protected,” Newsom stated in an announcement Wednesday.
Life-threatening flood risk.
ABC Information
A “Excessive Danger for extreme rainfall” is in place for Los Angeles, together with I-10 from San Bernardino to Santa Monica and areas north like Freeway 101 to Thousand Oaks, I-5 to Burbank, Santa Clarita, and as much as Pyramid Lake and all of I-210. Journey on these roads shouldn’t be really helpful as they could develop into flooded, officers stated. Low-lying neighborhoods in these areas may additionally develop into flooded, forecasts present.

Heavy particles flows in San Bernardino County as Freeway 2 floods, Dec. 24, 2025 in Wrightwood, Calif.
San Bernardino County Fireplace/X
Being beneath a “Excessive Danger” designation is uncommon. This threat is just issued about 4% of days, accounting for one-third of all flood-related fatalities and 80% of all flood-related damages, in keeping with the NWS.
Potential flooding impacts embrace the specter of vital and widespread city roadway flooding, a excessive threat of main rock/mudslides, and fast rises in creeks, streams and rivers which can doubtless result in swift water rescues.
The latest burn scars will probably be liable to probably damaging particles flows. These flooding impacts will doubtless result in vital journey delays and street closures through the busy vacation journey interval.

Rain and snow potential.
ABC Information
Winds are forecast to gust 40 to 50 mph throughout the realm, doubtlessly resulting in energy outages on Wednesday, in keeping with forecasts. Thunderstorms are additionally attainable.
The heaviest rain is anticipated on Wednesday morning and afternoon. Rainfall charges of 1 inch per hour or higher are anticipated.
By 6 p.m. or 7 p.m. PT, the rain will probably be coming to a quick finish earlier than extra rain arrives in a single day.
Extra rounds of rain are anticipated on Thursday and Friday, and the flood risk together with mudslides and landslide dangers will proceed every day as properly.
