National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Snow in the Central/Southern Rockies; Below Average Temperatures in the Central and Eastern US

Moderate to heavy snowfall is expected in the central/southern Rockies and adjacent High Plains today. Lake-enhanced snowfall is expected downwind of the Great Lakes today. Showers and thunderstorms will be possible this evening into tonight across the western Gulf Coast states. Temperatures across much of the central and eastern CONUS will remain below average and chilly to end the week. Read More >

Hazardous Weather Conditions

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

52°F

11°C

Humidity 53%
Wind Speed SW 6 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 03 Dec 08:20 AM PST
Extended Forecast for

Guerneville CA

Coastal Flood Advisory December 3, 08:39am until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory December 3, 08:39am until December 7, 03:00pm

    NOW until 3:00pm Sun

    Coastal Flood Advisory

  • Today

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 44. North wind around 5 mph becoming calm.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 63. Light and variable wind.

    High: 63 °F

    Sunny

  • Thursday Night

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

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Areas of fog before noon. Otherwise, mostly sunny, with a high near 66.

    High: 66 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

Today
Mostly sunny, with a high near 64. West northwest wind around 5 mph becoming calm in the afternoon.
Tonight
Partly cloudy, with a low around 44. North wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 63. Light and variable wind.
Thursday Night
Mostly clear, with a low around 45. Light north northwest wind.
Friday
Sunny, with a high near 65. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 66.
Saturday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 49.
Sunday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 65.
Sunday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 47.
Monday
Areas of fog. Otherwise, mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.52°N 122.98°W (Elev. 95 ft)
Last Update:
12:39 am PST Dec 3, 2025
Forecast Valid:
8am PST Dec 3, 2025-6pm PST Dec 9, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation