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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Hazardous Weather Conditions

Current conditions at

MIDDLE PEAK (MDEC1)

Lat: 37.92778°NLon: 122.58722°WElev: 2339.0ft.

NA

49°F

9°C

Humidity 100%
Wind Speed SE 13 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 01 Jan 07:36 PM PST
Extended Forecast for

San Anselmo CA

Coastal Flood Advisory January 1, 08:24pm until January 4, 02:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory January 1, 08:24pm until January 4, 02:00pm

    NOW until 2:00pm Sun

    Coastal Flood Advisory

  • Tonight

    Low: 52 °F

    Rain Likely
    then Chance
    Rain

  • Friday

    Friday: Rain, mainly after 1pm. High near 58. South southeast wind 7 to 13 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.

    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 32 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 54 °F

    Showers

  • Saturday

    Saturday: Rain before 4pm, then showers and possibly a thunderstorm after 4pm. High near 59. Breezy, with a south wind 17 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: 59 °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. South southeast wind 10 to 13 mph, with gusts as high as 28 mph. 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 56. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 56 °F

    Showers

  • Sunday Night

    Sunday Night: Rain. Low around 49. Chance of precipitation is 80%.

    Low: 49 °F

    Rain

  • Monday

    Monday: Rain. Mostly cloudy, with a high near 55.

    High: 55 °F

    Rain

Detailed Forecast

Tonight
Rain likely, mainly before 11pm. Cloudy, with a low around 52. South southeast wind 7 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain, mainly after 1pm. High near 58. South southeast wind 7 to 13 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 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 32 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Saturday
Rain before 4pm, then showers and possibly a thunderstorm after 4pm. High near 59. Breezy, with a south wind 17 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. South southeast wind 10 to 13 mph, with gusts as high as 28 mph. 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 56. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain. Low around 49. Chance of precipitation is 80%.
Monday
Rain. Mostly cloudy, with a high near 55.
Monday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 45.
Tuesday
A slight chance of rain before 4pm. Partly sunny, with a high near 55.
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 55.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 43.
Thursday
A chance of rain. Partly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Anselmo CA
 37.98°N 122.55°W (Elev. 197 ft)
Last Update:
12:32 pm PST Jan 1, 2026
Forecast Valid:
8pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation