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

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

Lat: 38.5°NLon: 122.81667°WElev: 125.0ft.

Mist

45°F

7°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 43°F (6°C)
Visibility 6.00 mi
Last update 09 Dec 05:53 PM PST
Extended Forecast for

3 Miles WSW Windsor CA

  • Tonight

    Tonight: Areas of dense fog after 7pm.  Otherwise, partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Areas Dense
    Fog

  • Wednesday

    Wednesday: Areas of dense fog before noon.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 67. Calm wind.

    High: 67 °F

    Areas Dense
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Areas of fog.  Otherwise, partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Areas Fog

  • Thursday

    Thursday: Areas of fog before 10am.  Otherwise, sunny, with a high near 70. Calm wind.

    High: 70 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog before 1am.  Otherwise, partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 68.

    High: 68 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog between 9pm and 1am.  Otherwise, partly cloudy, with a low around 42.

    Low: 42 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 65.

    High: 65 °F

    Patchy Fog
    then Sunny

  • Saturday Night

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

    Low: 42 °F

    Areas Fog

Detailed Forecast

Tonight
Areas of dense fog after 7pm. Otherwise, partly cloudy, with a low around 42. Calm wind.
Wednesday
Areas of dense fog before noon. Otherwise, partly sunny, then gradually becoming sunny, with a high near 67. Calm wind.
Wednesday Night
Areas of fog. Otherwise, partly cloudy, with a low around 44. Calm wind.
Thursday
Areas of fog before 10am. Otherwise, sunny, with a high near 70. Calm wind.
Thursday Night
Patchy fog before 1am. Otherwise, partly cloudy, with a low around 44. Calm wind.
Friday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 68.
Friday Night
Patchy fog between 9pm and 1am. Otherwise, partly cloudy, with a low around 42.
Saturday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 65.
Saturday Night
Areas of fog. Otherwise, partly cloudy, with a low around 42.
Sunday
Areas of fog before noon. Otherwise, partly sunny, with a high near 63.
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.
Monday Night
A chance of rain. Areas of fog. Otherwise, mostly cloudy, with a low around 47.
Tuesday
A chance of rain. Areas of fog. Otherwise, partly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Windsor CA
 38.52°N 122.84°W (Elev. 98 ft)
12:26 pm PST Dec 9, 2025
6pm PST Dec 9, 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