Tracking Areas of Winter Weather and Heavy Rainfall

A cold front will move through the Great Lakes and Northeast U.S. today, bringing areas of snow and snow squalls which can bring rapid reductions to visibility and slick roads. A storm system will shift from the northern Gulf Coast through the Southeast U.S. today through Friday with areas of heavy to excessive rainfall and light snow further north. Heavy snow is also expected in the Rockies. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

59°F

15°C

Humidity 54%
Wind Speed S 5 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 43°F (6°C)
Visibility 8.00 mi
Last update 04 Dec 02:35 PM PST
Extended Forecast for

Guerneville CA

Coastal Flood Advisory December 4, 02:56pm until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory December 4, 02:56pm until December 7, 03:00pm

    NOW until 3:00pm Sun

    Coastal Flood Advisory

  • This Afternoon

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. Light and variable wind.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Patchy dense fog before 10am.  Otherwise, sunny, with a high near 64. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 64 °F

    Patchy Dense
    Fog then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

This Afternoon
Sunny, with a high near 62. Southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 43. Calm wind.
Friday
Sunny, with a high near 62. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 47. Light and variable wind.
Saturday
Patchy dense fog before 10am. Otherwise, sunny, with a high near 64. Calm wind becoming northwest 5 to 7 mph in the morning.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Partly sunny, with a high near 64.
Sunday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 46.
Monday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 49.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 67.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.5°N 122.98°W (Elev. 397 ft)
12:26 pm PST Dec 4, 2025
2pm PST Dec 4, 2025-6pm PST Dec 10, 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