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.

Overcast

46°F

8°C

Humidity 87%
Wind Speed S 3 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 09 Dec 05:55 PM PST
Extended Forecast for

5 Miles NW Sonoma CA

  • Tonight

    Tonight: Patchy dense fog between 11pm and 4am.  Otherwise, mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Patchy dense fog before 11am.  Otherwise, sunny, with a high near 65. Calm wind.

    High: 65 °F

    Patchy Dense
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog between midnight and 1am.  Otherwise, mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog between 7am and 9am.  Otherwise, sunny, with a high near 67. Light east wind.

    High: 67 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Friday Night

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

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after midnight.  Otherwise, partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

Tonight
Patchy dense fog between 11pm and 4am. Otherwise, mostly clear, with a low around 43. Calm wind.
Wednesday
Patchy dense fog before 11am. Otherwise, sunny, with a high near 65. Calm wind.
Wednesday Night
Patchy fog between midnight and 1am. Otherwise, mostly clear, with a low around 44. Calm wind.
Thursday
Patchy fog between 7am and 9am. Otherwise, sunny, with a high near 67. Light east wind.
Thursday Night
Mostly clear, with a low around 43. Calm wind.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 41.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 42.
Sunday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 62.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 44.
Monday
A slight chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 62.
Monday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 47.
Tuesday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Sonoma CA
 38.35°N 122.5°W (Elev. 197 ft)
12:26 pm PST Dec 9, 2025
6pm PST Dec 9, 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