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

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Current conditions at

MIDDLE PEAK (MDEC1)

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

NA

41°F

5°C

Humidity 100%
Wind Speed NW 20 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 27 Dec 02:36 AM PST
Extended Forecast for

San Anselmo CA

  • Overnight

    Overnight: A 20 percent chance of rain. Partly cloudy, with a low around 45. West northwest wind around 6 mph.

    Low: 45 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Sunny, with a high near 53. Northwest wind around 5 mph becoming light and variable in the afternoon.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 41. Calm wind.

    Low: 41 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 54. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 54 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. Light northeast wind.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of rain. Partly cloudy, with a low around 45. West northwest wind around 6 mph.
Saturday
Sunny, with a high near 53. Northwest wind around 5 mph becoming light and variable in the afternoon.
Saturday Night
Increasing clouds, with a low around 41. Calm wind.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 54. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 39. Light northeast wind.
Monday
Sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 55.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
New Year's Day
A chance of rain. Cloudy, with a high near 54.
Thursday Night
Rain likely. Mostly cloudy, with a low around 45.
Friday
A chance of rain. Partly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Anselmo CA
 37.98°N 122.55°W (Elev. 197 ft)
Last Update:
12:27 am PST Dec 27, 2025
Forecast Valid:
3am PST Dec 27, 2025-6pm PST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

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