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

70°F

21°C

Humidity 19%
Wind Speed N 8 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 03 Dec 02:35 PM PST
Extended Forecast for

Guerneville CA

Coastal Flood Advisory December 3, 02:50pm until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory December 3, 02:50pm until December 7, 03:00pm

    NOW until 3:00pm Sun

    Coastal Flood Advisory

  • This Afternoon

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 44. West northwest wind around 5 mph becoming calm in the evening.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 63. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. North wind 3 to 5 mph.

    Low: 45 °F

    Partly Cloudy

  • Friday

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

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy dense fog before 10am. Otherwise, sunny, with a high near 65.

    High: 65 °F

    Patchy Dense
    Fog then
    Sunny

  • Saturday Night

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

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 64. North wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around 44. West northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 63. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 45. North wind 3 to 5 mph.
Friday
Sunny, with a high near 65. Calm wind becoming west southwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 47.
Saturday
Patchy dense fog before 10am. Otherwise, sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 64.
Sunday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 47.
Monday
Patchy fog. Otherwise, mostly sunny, with a high near 64.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 47.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 66.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.49°N 123°W (Elev. 197 ft)
Last Update:
12:26 pm PST Dec 3, 2025
Forecast Valid:
2pm PST Dec 3, 2025-6pm PST Dec 9, 2025
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation