Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. 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 0 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 43°F (6°C)
Visibility NA
Last update 11 Dec 12:53 AM PST
Extended Forecast for

3 Miles WSW Santa Rosa CA

  • Overnight

    Overnight: Widespread dense fog, mainly after 5am.  Otherwise, mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Dense Fog

  • Thursday

    Thursday: Widespread dense fog, mainly before 10am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 57. Calm wind.

    High: 57 °F

    Dense Fog
    then Sunny

  • Thursday Night

    Thursday Night: Areas of dense fog.  Otherwise, partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Areas Dense
    Fog

  • Friday

    Friday: Areas of fog before 11am.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 60. Calm wind.

    High: 60 °F

    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog.  Otherwise, partly cloudy, with a low around 41.

    Low: 41 °F

    Patchy Fog

  • Sunday

    Sunday: Areas of fog before 11am.  Otherwise, partly sunny, with a high near 62.

    High: 62 °F

    Areas Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog.  Otherwise, mostly cloudy, with a low around 42.

    Low: 42 °F

    Patchy Fog

Detailed Forecast

Overnight
Widespread dense fog, mainly after 5am. Otherwise, mostly cloudy, with a low around 41. Calm wind.
Thursday
Widespread dense fog, mainly before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 57. Calm wind.
Thursday Night
Areas of dense fog. Otherwise, partly cloudy, with a low around 40. Calm wind.
Friday
Areas of fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 60. Calm wind.
Friday Night
Partly cloudy, with a low around 40. Calm wind.
Saturday
Sunny, with a high near 63.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 41.
Sunday
Areas of fog before 11am. Otherwise, partly sunny, with a high near 62.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 42.
Monday
Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 62.
Monday Night
A chance of rain. Widespread fog. Otherwise, mostly cloudy, with a low around 48.
Tuesday
A chance of rain. Widespread fog. Otherwise, mostly cloudy, with a high near 61.
Tuesday Night
A chance of rain. Patchy fog. Otherwise, cloudy, with a low around 50.
Wednesday
A chance of rain. Areas of fog. Otherwise, mostly cloudy, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Santa Rosa CA
 38.42°N 122.75°W (Elev. 102 ft)
12:26 am PST Dec 11, 2025
1am PST Dec 11, 2025-6pm PST Dec 17, 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