Overview
- A second system triggered Monday flash flood warnings and advisories across Los Angeles and Ventura counties, with downpours reaching 0.4 to 0.8 inches per hour and reports of rockslides, road flooding and gusty winds.
- Showers and a slight chance of thunderstorms linger Tuesday before clearing, with 0.5 to 1 inch forecast for coastal and valley areas and 1 to 2 inches in foothills and mountains, according to the National Weather Service.
- A winter weather advisory is in effect for the San Gabriel and San Bernardino mountains through Tuesday night, with 2 to 5 inches of snow above roughly 6,000 feet and a chance of a light Grapevine dusting.
- Another storm is expected Thursday into Friday with generally light to moderate rain totals of about 0.25 to 0.75 inches, keeping travel and debris-flow risks elevated on saturated slopes.
- The weekend atmospheric river set multiple rainfall records, including 6.67 inches in three days at Santa Barbara Airport and more than 13 inches at San Marcos Pass, and authorities confirmed two storm-related deaths as the search continued for a missing 5-year-old swept into the ocean.