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

KF6YUA Sebastopol (AR323)

Lat: 38.3803°NLon: 122.8242°WElev: 230.0ft.

NA

43°F

6°C

Humidity 99%
Wind Speed ENE 1 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 43°F (6°C)
Visibility NA
Last update 10 Dec 03:53 AM PST
Extended Forecast for

3 Miles SW Cotati CA

  • Today

    Today: Patchy dense fog before noon, then patchy dense fog after 5pm.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 51. Light east southeast wind.

    High: 51 °F

    Patchy Dense
    Fog

  • Tonight

    Tonight: Areas of dense fog.  Otherwise, mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Areas Dense
    Fog

  • Thursday

    Thursday: Patchy dense fog before noon.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 55. Calm wind.

    High: 55 °F

    Patchy Dense
    Fog then
    Sunny

  • Thursday Night

    Thursday Night: Areas of fog.  Otherwise, mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Areas Fog

  • Friday

    Friday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 58. Light east wind.

    High: 58 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog before 9pm.  Otherwise, partly cloudy, with a low around 41.

    Low: 41 °F

    Patchy Fog
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Areas of fog.  Otherwise, partly cloudy, with a low around 42.

    Low: 42 °F

    Areas Fog

  • Sunday

    Sunday: Areas of fog before 1pm.  Otherwise, partly sunny, with a high near 58.

    High: 58 °F

    Areas Fog

Detailed Forecast

Today
Patchy dense fog before noon, then patchy dense fog after 5pm. Otherwise, partly sunny, then gradually becoming sunny, with a high near 51. Light east southeast wind.
Tonight
Areas of dense fog. Otherwise, mostly clear, with a low around 42. Calm wind.
Thursday
Patchy dense fog before noon. Otherwise, partly sunny, then gradually becoming sunny, with a high near 55. Calm wind.
Thursday Night
Areas of fog. Otherwise, mostly clear, with a low around 42. Calm wind.
Friday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 58. Light east wind.
Friday Night
Patchy fog before 9pm. Otherwise, partly cloudy, with a low around 41.
Saturday
Sunny, with a high near 61.
Saturday Night
Areas of fog. Otherwise, partly cloudy, with a low around 42.
Sunday
Areas of fog before 1pm. Otherwise, partly sunny, with a high near 58.
Sunday Night
Areas of fog after 7pm. Otherwise, mostly cloudy, with a low around 44.
Monday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 59.
Monday Night
A chance of rain. Mostly cloudy, with a low around 50.
Tuesday
A chance of rain. Mostly cloudy, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Cotati CA
 38.31°N 122.75°W (Elev. 561 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

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