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

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Partly Cloudy

50°F

10°C

Humidity 87%
Wind Speed WNW 3 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 10 Dec 01:53 PM PST
Extended Forecast for

2 Miles SSE Guerneville CA

  • Tonight

    Tonight: Patchy dense fog before 1am, then widespread dense fog after 2am.  Otherwise, mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Dense Fog

  • Thursday

    Thursday: Widespread dense fog between 7am and 10am.  Otherwise, sunny, with a high near 58. Light and variable wind.

    High: 58 °F

    Dense Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. Light north northeast wind.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60. Calm wind.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 1am.  Otherwise, partly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers after 4am.  Patchy fog after 10pm.  Otherwise, mostly cloudy, with a low around 46.

    Low: 46 °F

    Patchy Fog
    then Slight
    Chance
    Showers and
    Patchy Fog

Detailed Forecast

Tonight
Patchy dense fog before 1am, then widespread dense fog after 2am. Otherwise, mostly clear, with a low around 44. Calm wind.
Thursday
Widespread dense fog between 7am and 10am. Otherwise, sunny, with a high near 58. Light and variable wind.
Thursday Night
Mostly clear, with a low around 45. Light north northeast wind.
Friday
Sunny, with a high near 60. Calm wind.
Friday Night
Mostly clear, with a low around 45. Calm wind.
Saturday
Sunny, with a high near 62.
Saturday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 46.
Sunday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 60.
Sunday Night
A slight chance of showers after 4am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 46.
Monday
A chance of showers, mainly after 10am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 59.
Monday Night
Showers likely. Patchy fog. Otherwise, mostly cloudy, with a low around 52.
Tuesday
A chance of showers. Areas of fog. Otherwise, mostly cloudy, with a high near 60.
Tuesday Night
A chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 49.
Wednesday
A chance of showers. Areas of fog. Otherwise, partly sunny, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Guerneville CA
 38.48°N 122.97°W (Elev. 597 ft)
12:37 pm PST Dec 10, 2025
3pm PST Dec 10, 2025-6pm PST Dec 17, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database