Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

KF6YUA Sebastopol (AR323)

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

NA

42°F

6°C

Humidity 99%
Wind Speed ESE 0 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 42°F (6°C)
Visibility NA
Last update 09 Dec 03:11 AM PST
Extended Forecast for

3 Miles WSW Santa Rosa CA

  • Overnight

    Overnight: Areas of fog.  Otherwise, cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Areas Fog

  • Tuesday

    Tuesday: Areas of dense fog before noon.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 63. Calm wind.

    High: 63 °F

    Areas Dense
    Fog then
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy dense fog.  Otherwise, partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Areas of dense fog before noon.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 66. Calm wind.

    High: 66 °F

    Areas Dense
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Areas of fog.  Otherwise, partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Areas Fog

  • Thursday

    Thursday: Areas of fog before 11am.  Otherwise, mostly sunny, with a high near 68.

    High: 68 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Areas of fog before 3am.  Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Areas Fog

  • Friday

    Friday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 66.

    High: 66 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog before 3am, then patchy fog after 5am.  Otherwise, partly cloudy, with a low around 42.

    Low: 42 °F

    Patchy Fog

Detailed Forecast

Overnight
Areas of fog. Otherwise, cloudy, with a low around 42. Calm wind.
Tuesday
Areas of dense fog before noon. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 63. Calm wind.
Tuesday Night
Patchy dense fog. Otherwise, partly cloudy, with a low around 41. Calm wind.
Wednesday
Areas of dense fog before noon. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 66. Calm wind.
Wednesday Night
Areas of fog. Otherwise, partly cloudy, with a low around 43. Calm wind.
Thursday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 68.
Thursday Night
Areas of fog before 3am. Otherwise, partly cloudy, with a low around 44.
Friday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 66.
Friday Night
Patchy fog before 3am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 42.
Saturday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 64.
Saturday Night
Areas of fog. Otherwise, partly cloudy, with a low around 42.
Sunday
Areas of fog. Otherwise, partly sunny, with a high near 62.
Sunday Night
A slight chance of rain. Areas of fog. Otherwise, mostly cloudy, with a low around 45.
Monday
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 WSW Santa Rosa CA
 38.42°N 122.75°W (Elev. 102 ft)
2:42 am PST Dec 9, 2025
3am PST Dec 9, 2025-6pm PST Dec 15, 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