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

43°F

6°C

Humidity 99%
Wind Speed E 3 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 43°F (6°C)
Visibility NA
Last update 08 Dec 09:37 PM PST
Extended Forecast for

3 Miles E Rohnert Park CA

  • Tonight

    Tonight: Widespread dense fog, mainly after 4am.  Otherwise, mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Dense Fog

  • Tuesday

    Tuesday: Widespread fog, mainly before 9am.  Otherwise, mostly sunny, with a high near 58. Calm wind.

    High: 58 °F

    Fog

  • Tuesday Night

    Tuesday Night: Patchy fog after 7pm.  Otherwise, partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before noon.  Otherwise, mostly sunny, with a high near 65. Calm wind.

    High: 65 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog.  Otherwise, mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Fog

  • Thursday

    Thursday: Areas of fog before noon.  Otherwise, sunny, with a high near 65.

    High: 65 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog before 11pm, then patchy fog after 5am.  Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Patchy Fog

  • Friday

    Friday: Areas of fog before 10am.  Otherwise, sunny, with a high near 65.

    High: 65 °F

    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog before midnight, then patchy fog after 3am.  Otherwise, mostly clear, with a low around 42.

    Low: 42 °F

    Patchy Fog

Detailed Forecast

Tonight
Widespread dense fog, mainly after 4am. Otherwise, mostly cloudy, with a low around 43. Calm wind.
Tuesday
Widespread fog, mainly before 9am. Otherwise, mostly sunny, with a high near 58. Calm wind.
Tuesday Night
Patchy fog after 7pm. Otherwise, partly cloudy, with a low around 44. Calm wind.
Wednesday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 65. Calm wind.
Wednesday Night
Patchy fog. Otherwise, mostly clear, with a low around 45. Calm wind.
Thursday
Areas of fog before noon. Otherwise, sunny, with a high near 65.
Thursday Night
Patchy fog before 11pm, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 44.
Friday
Areas of fog before 10am. Otherwise, sunny, with a high near 65.
Friday Night
Patchy fog before midnight, then patchy fog after 3am. Otherwise, mostly clear, with a low around 42.
Saturday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 64.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 44.
Sunday
Areas of fog. Otherwise, partly sunny, with a high near 61.
Sunday Night
A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 46.
Monday
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 E Rohnert Park CA
 38.35°N 122.65°W (Elev. 354 ft)
12:26 pm PST Dec 8, 2025
9pm PST Dec 8, 2025-6pm PST Dec 15, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database