Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Novato / Gnoss Field (KDVO)

Lat: 38.14178°NLon: 122.55463°WElev: 3.0ft.

Mist

45°F

7°C

Humidity 93%
Wind Speed ESE 4 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 43°F (6°C)
Visibility 5.00 mi
Wind Chill43°F (6°C)
Last update 10 Dec 04:35 AM PST
Extended Forecast for

4 Miles NNE San Anselmo CA

  • Today

    Today: Areas of dense fog before 9am.  Otherwise, mostly sunny, with a high near 49. Calm wind becoming east around 5 mph.

    High: 49 °F

    Areas Dense
    Fog then
    Sunny

  • Tonight

    Tonight: Patchy dense fog before 11pm, then patchy dense fog after midnight.  Otherwise, mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Patchy dense fog before 9am.  Otherwise, mostly sunny, with a high near 53. East northeast wind 3 to 5 mph.

    High: 53 °F

    Patchy Dense
    Fog then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 56. Northeast wind 3 to 5 mph.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Today
Areas of dense fog before 9am. Otherwise, mostly sunny, with a high near 49. Calm wind becoming east around 5 mph.
Tonight
Patchy dense fog before 11pm, then patchy dense fog after midnight. Otherwise, mostly clear, with a low around 43. Calm wind.
Thursday
Patchy dense fog before 9am. Otherwise, mostly sunny, with a high near 53. East northeast wind 3 to 5 mph.
Thursday Night
Mostly clear, with a low around 44. Calm wind.
Friday
Mostly sunny, with a high near 56. Northeast wind 3 to 5 mph.
Friday Night
Mostly clear, with a low around 44.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Partly sunny, with a high near 60.
Sunday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 47.
Monday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 62.
Monday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 52.
Tuesday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE San Anselmo CA
 38.03°N 122.53°W (Elev. 66 ft)
12:26 am PST Dec 10, 2025
4am PST Dec 10, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database