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  • Pasadena Lawmaker Calls for Transparency After Euthanization of Monrovia BearPasadena Lawmaker Calls for Transparency After Euthanization of Monrovia Bear
  • Assemblymember Mike Fong Honors Cindy Kuo as Woman of the YearAssemblymember Mike Fong Honors Cindy Kuo as Woman of the Year
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      • *News & Headlines

        [Updated] Flash Flood Warning for Much of Southern California

        • News Desk
          • February 4, 2024
          • 0 comments
      a cross street under the rain

      Del Mar and Fair Oaks (Photo – V.S.)

      A plume of heavy rain, strong winds, high surf, and heavy snow will cross much of southern California over the next few days.

      By News Desk

      Wild Weather in Our Area

      High rain rates will lead to flash flooding Sunday night across portions of southern California, with an embedded High Risk (level 4/4) area over parts of Santa Barbara, Ventura, and Los Angeles Counties.

      The moisture plume will sag south Monday night into Tuesday and focus over southern California and the southern Sierra Nevada. Heavy to Excessive Rainfall is likely from San Luis County down to San Diego County. A High Risk of Excessive Rainfall warning is in effect for parts of Los Angeles and Orange Counties on Monday with widespread  totals of 1-3″ of rain and isolated higher amounts are possible. Heavy Snow impacts will continue over the southern section of our mountain range.

      Projected Forecast

      Tonight – Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 51. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 3 and 4 inches possible.
      Monday – Rain and possibly a thunderstorm before 10:00 am, then showers after 10:00 am. High near 58. East southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
      Monday Night – Showers. Low around 49. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

      Update

      At 9:32 pm, local law enforcement reported numerous flooded roads, vehicles submerged, rock and mud slides, and quickly rising levels of area rivers, especially in and around the Santa Monica Mountains.

      Between 2 and 4 inches of rain have fallen, (up to 7 inches around the Santa Monica Mountains). Additional rainfall
      amounts of 2 to 5 inches are possible in the warned area overnight tonight. Flash flooding is ongoing.

      > Up to date updates on closures due to rain: Click here.

      Wild Weather Elsewhere

      Heavy rain and thunderstorms are possible over coastal areas of Georgia and South Carolina tonight.  Up to a foot of snow may fall on the Cascades and Northern Rockies through Monday afternoon, with abnormally mild temperatures for much of the Central and Eastern parts of the country. Temperatures across the Northern Plains and Upper Midwest will be 30-40 degrees above average, breaking existing daily temperature records.

      Tagged: Atmospheric RiverDel MarFair OaksFlash Flood Warning for Much of Southern CaliforniaLos Angeleslos angeles countyOrange CountySan Diego CountySanta Barbara

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          Our News Desk department consists of a collective of news gatherers in order to keep the community informed and safe.

          Award-winning Colorado Boulevard Newspaper is your go-to source for informative news, engaging events, and vibrant community life in the greater Pasadena area. We’re proud to be recognized for excellence in journalism and remain committed to informing, educating, and collaborating to create a better world, both locally and globally.

        • Latest posts by News Desk

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    • March 2026 Print Edition

      CB March 2026

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