Flash flood, thunderstorm alerts in effect for California with heavy rain expected to last days

[ad_1] Greater than 41 million Individuals throughout California, southern Nevada and northwest Arizona are underneath flood watches on Wednesday amid a uncommon, excessive threat for extreme rainfall and flooding.

This contains main metros like Los Angeles, San Francisco, Sacramento, California, San Diego and Las Vegas.

Life-threatening flood menace.

ABC Information

A "Excessive Threat 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 advisable as they could grow to be flooded, officers mentioned. Low-lying neighborhoods in these areas may additionally grow to be 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 underneath a "Excessive Threat" designation is uncommon. This threat 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 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 is able to seemingly result in swift water rescues.

The latest burn scars will probably be prone to probably damaging particles flows. These flooding impacts will seemingly result in vital journey delays and highway 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, probably resulting in energy outages on Wednesday, in accordance with forecasts. Thunderstorms are additionally attainable.

The heaviest rain is predicted on Wednesday morning and afternoon. Rainfall charges of 1 inch per hour or larger 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 menace together with mudslides and landslide dangers will proceed every day as effectively.