Greater than 41 million Individuals throughout California, southern Nevada and northwest Arizona are beneath flood watches on Wednesday amid a uncommon, excessive danger for extreme rainfall and flooding.
This contains main metros like Los Angeles, San Francisco, Sacramento, California, San Diego and Las Vegas.
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 is just not beneficial as they could change into flooded, officers stated. Low-lying neighborhoods in these areas might additionally change into flooded, forecasts present.

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

Rain and snow potential.
ABC Information
Winds are forecast to gust 40 to 50 mph throughout the world, doubtlessly resulting in energy outages on Wednesday, in accordance with forecasts. Thunderstorms are additionally potential.
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.
Further rounds of rain are anticipated on Thursday and Friday, and the flood risk together with mudslides and landslide dangers will proceed every day as nicely.