National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Current conditions at

DW7094 Mill Valley (D7094)

Lat: 37.91333°NLon: 122.54833°WElev: 190.0ft.

NA

N/A

Humidity NA
Wind Speed NA NA MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

Larkspur CA

Coastal Flood Advisory January 1, 07:51am until January 4, 02:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory January 1, 07:51am until January 4, 02:00pm

    NOW until 2:00pm Sun

    Coastal Flood Advisory

  • New Year's Day

    High: 56 °F

    Showers

  • Tonight

    Tonight: Showers, mainly before 10pm. Low around 51. South wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 51 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 10am. Cloudy, with a high near 57. South southeast wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers, with thunderstorms also possible after 1am. Low around 53. South wind 14 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 53 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 7am, then showers between 7am and 4pm, then showers and possibly a thunderstorm after 4pm. High near 58. South wind 16 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 58 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 52. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 52 °F

    Showers

  • Sunday

    Sunday: Showers before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then showers after 4pm. High near 56. Chance of precipitation is 100%.

    High: 56 °F

    Showers

  • Sunday Night

    Sunday Night: Showers, with thunderstorms also possible after 10pm. Cloudy, with a low around 49.

    Low: 49 °F

    Showers

Detailed Forecast

New Year's Day
Showers. High near 56. East northeast wind 6 to 14 mph becoming south in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tonight
Showers, mainly before 10pm. Low around 51. South wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers likely, mainly after 10am. Cloudy, with a high near 57. South southeast wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers, with thunderstorms also possible after 1am. Low around 53. South wind 14 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Saturday
Showers and possibly a thunderstorm before 7am, then showers between 7am and 4pm, then showers and possibly a thunderstorm after 4pm. High near 58. South wind 16 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 52. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then showers after 4pm. High near 56. Chance of precipitation is 100%.
Sunday Night
Showers, with thunderstorms also possible after 10pm. Cloudy, with a low around 49.
Monday
Showers. Mostly cloudy, with a high near 55.
Monday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 46.
Tuesday
A chance of showers. Partly sunny, with a high near 55.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 43.
Wednesday
A slight chance of showers. Partly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Larkspur CA
 37.93°N 122.54°W (Elev. 197 ft)
Last Update:
1:25 am PST Jan 1, 2026
Forecast Valid:
7am PST Jan 1, 2026-6pm PST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation