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 ESE 0 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 43°F (6°C)
Visibility NA
Last update 10 Dec 04:08 AM PST
Extended Forecast for

3 Miles ENE Sebastopol CA

  • Today

    Today: Widespread dense fog, mainly before 11am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 55. Calm wind.

    High: 55 °F

    Dense Fog
    then Sunny

  • Tonight

    Tonight: Widespread dense fog, mainly after 5am.  Otherwise, partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Dense Fog

  • Thursday

    Thursday: Widespread dense fog, mainly before 11am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 58. Calm wind.

    High: 58 °F

    Dense Fog
    then Sunny

  • Thursday Night

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

    Low: 42 °F

    Areas Fog

  • Friday

    Friday: Areas of fog before 11am.  Otherwise, mostly sunny, with a high near 61. Calm wind.

    High: 61 °F

    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog before 1am.  Otherwise, partly cloudy, with a low around 41.

    Low: 41 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Widespread fog, mainly after 4am.  Otherwise, partly cloudy, with a low around 42.

    Low: 42 °F

    Fog

  • Sunday

    Sunday: Widespread fog, mainly before 10am.  Otherwise, partly sunny, with a high near 61.

    High: 61 °F

    Fog then
    Partly Sunny

Detailed Forecast

Today
Widespread dense fog, mainly before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 55. Calm wind.
Tonight
Widespread dense fog, mainly after 5am. Otherwise, partly cloudy, with a low around 40. Calm wind.
Thursday
Widespread dense fog, mainly before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 58. Calm wind.
Thursday Night
Areas of fog. Otherwise, increasing clouds, with a low around 42. Calm wind.
Friday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 61. Calm wind.
Friday Night
Patchy fog before 1am. Otherwise, partly cloudy, with a low around 41.
Saturday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 64.
Saturday Night
Widespread fog, mainly after 4am. Otherwise, partly cloudy, with a low around 42.
Sunday
Widespread fog, mainly before 10am. Otherwise, partly sunny, with a high near 61.
Sunday Night
Widespread fog, mainly after 11pm. Otherwise, mostly cloudy, with a low around 44.
Monday
Rain likely. Widespread fog. Otherwise, mostly cloudy, with a high near 61.
Monday Night
Rain likely. Patchy fog. Otherwise, mostly cloudy, with a low around 49.
Tuesday
A chance of rain. Areas of fog. Otherwise, mostly cloudy, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Sebastopol CA
 38.42°N 122.78°W (Elev. 82 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

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database