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 29.86 in (1011.18 mb)
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

Larkspur CA

Coastal Flood Advisory January 1, 01:46pm until January 4, 02:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory January 1, 01:46pm until January 4, 02:00pm

    NOW until 2:00pm Sun

    Coastal Flood Advisory

  • New Year's Day

    High: 58 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly before 11pm. Low around 52. South southeast wind 8 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Rain then
    Chance Rain

  • Friday

    Friday: Rain, mainly after 4pm. High near 58. South southeast wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Slight Chance
    Rain then
    Rain

  • Friday Night

    Friday Night: Rain before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then rain after 1am. Low around 54. South wind around 14 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 54 °F

    Showers

  • Saturday

    Saturday: Rain before 1pm, then showers and possibly a thunderstorm after 1pm. High near 60. Breezy, with a south wind 18 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 60 °F

    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 7pm, then rain between 7pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 53. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 53 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 7am, then rain after 7am. High near 57. Chance of precipitation is 100%.

    High: 57 °F

    Showers

  • Sunday Night

    Sunday Night: Rain. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Rain

Detailed Forecast

New Year's Day
A 40 percent chance of rain. Cloudy, with a high near 58. South wind around 14 mph, with gusts as high as 22 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain, mainly before 11pm. Low around 52. South southeast wind 8 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain, mainly after 4pm. High near 58. South southeast wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then rain after 1am. Low around 54. South wind around 14 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Rain before 1pm, then showers and possibly a thunderstorm after 1pm. High near 60. Breezy, with a south wind 18 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 7pm, then rain between 7pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 53. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers and possibly a thunderstorm before 7am, then rain after 7am. High near 57. Chance of precipitation is 100%.
Sunday Night
Rain. Mostly cloudy, with a low around 49.
Monday
Rain. Cloudy, with a high near 56.
Monday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 46.
Tuesday
A slight chance of rain. Partly sunny, with a high near 56.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 46.
Wednesday
A chance of rain. Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Larkspur CA
 37.96°N 122.52°W (Elev. 52 ft)
Last Update:
12:32 pm PST Jan 1, 2026
Forecast Valid:
1pm PST Jan 1, 2026-6pm PST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation