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

50°F

10°C

Humidity 100%
Wind Speed SE 13 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 01 Jan 11:36 PM PST
Extended Forecast for

San Anselmo CA

Coastal Flood Advisory January 3, 02:00pm until January 4, 02:00pm
Coastal Flood Advisory January 2, 12:02am until January 2, 07:00am
Coastal Flood Warning January 2, 07:00am until January 3, 02:00pm
Click here for hazard details and duration
Coastal Flood Advisory
Coastal Flood Advisory
Coastal Flood Warning
  •  
    Coastal Flood Advisory January 2, 12:02am until January 2, 07:00am

    NOW until 7:00am Fri

    Coastal Flood Advisory

  • Overnight

    Low: 54 °F

    Chance Rain

  • Friday

    Friday: Rain, mainly after 4pm. Steady temperature around 53. Southeast wind 9 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: 53 °F

    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 53. South wind 18 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 53 °F

    Showers

  • Saturday

    Saturday: Rain before 4pm, then showers and possibly a thunderstorm after 4pm. High near 55. South wind 16 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 55 °F

    Showers

  • 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 51. South wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 51 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 7am, then rain after 7am. High near 54. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 54 °F

    Showers

  • Sunday Night

    Sunday Night: Rain. Low around 48. Chance of precipitation is 80%.

    Low: 48 °F

    Rain

  • Monday

    Monday: Rain. Cloudy, with a high near 52.

    High: 52 °F

    Rain

Detailed Forecast

Overnight
A 50 percent chance of rain before 4am. Cloudy, with a steady temperature around 54. South southeast wind around 9 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain, mainly after 4pm. Steady temperature around 53. Southeast wind 9 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 53. South wind 18 to 21 mph, with gusts as high as 36 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 55. South wind 16 to 18 mph, with gusts as high as 31 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 51. South wind 14 to 18 mph, with gusts as high as 31 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 54. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain. Low around 48. Chance of precipitation is 80%.
Monday
Rain. Cloudy, with a high near 52.
Monday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 45.
Tuesday
A slight chance of rain. Partly sunny, with a high near 54.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 44.
Wednesday
A chance of rain. Mostly cloudy, with a high near 53.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 42.
Thursday
A chance of rain. Mostly sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Anselmo CA
 37.97°N 122.58°W (Elev. 558 ft)
Last Update:
10:46 pm PST Jan 1, 2026
Forecast Valid:
12am PST Jan 2, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation