Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Mostly Cloudy

48°F

9°C

Humidity 87%
Wind Speed SW 5 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 09 Dec 02:15 PM PST
Extended Forecast for

3 Miles WSW Santa Rosa CA

  • Tonight

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

    Low: 42 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Areas of dense fog before noon.  Otherwise, partly sunny, then gradually becoming sunny, 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 44. Calm wind.

    Low: 44 °F

    Areas Fog

  • Thursday

    Thursday: Areas of fog before 11am.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 68. Calm wind.

    High: 68 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog before 1am, then patchy fog after 5am.  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 67.

    High: 67 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog between 9pm and 3am.  Otherwise, partly cloudy, with a low around 42.

    Low: 42 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Areas of fog.  Otherwise, partly cloudy, with a low around 43.

    Low: 43 °F

    Areas Fog

Detailed Forecast

Tonight
Patchy 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 66. Calm wind.
Wednesday Night
Areas of fog. Otherwise, partly cloudy, with a low around 44. Calm wind.
Thursday
Areas of fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 68. Calm wind.
Thursday Night
Patchy fog before 1am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 44. Calm wind.
Friday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 67.
Friday Night
Patchy fog between 9pm and 3am. Otherwise, partly cloudy, with a low around 42.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 64.
Saturday Night
Areas of fog. Otherwise, partly cloudy, with a low around 43.
Sunday
Areas of fog before noon. 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.
Monday Night
A chance of rain. Areas of fog. Otherwise, mostly cloudy, with a low around 48.
Tuesday
A chance of rain. Areas of fog. Otherwise, partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Santa Rosa CA
 38.44°N 122.76°W (Elev. 105 ft)
12:26 pm PST Dec 9, 2025
3pm 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