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

68°F

20°C

Humidity 20%
Wind Speed N 6 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 03 Dec 03:00 PM PST
Extended Forecast for

Guerneville CA

Coastal Flood Advisory December 3, 03:27pm until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory December 3, 03:27pm until December 7, 03:00pm

    NOW until 3:00pm Sun

    Coastal Flood Advisory

  • Tonight

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 63. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 63 °F

    Sunny

  • Thursday Night

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

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 66. Light and variable wind.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47. West wind around 5 mph.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy fog between 10am and 11am. Otherwise, sunny, with a high near 65.

    High: 65 °F

    Patchy 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

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 65.

    High: 65 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 44. North wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 63. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 45. North wind around 5 mph.
Friday
Sunny, with a high near 66. Light and variable wind.
Friday Night
Mostly clear, with a low around 47. West wind around 5 mph.
Saturday
Patchy fog between 10am and 11am. Otherwise, sunny, with a high near 65.
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 before 10pm, then patchy fog after 1am. Otherwise, mostly cloudy, with a low around 47.
Monday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 65.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 49.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.52°N 122.98°W (Elev. 95 ft)
Last Update:
12:26 pm PST Dec 3, 2025
Forecast Valid:
3pm PST Dec 3, 2025-6pm PST Dec 10, 2025
 
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Additional Resources

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Chance of Precipitation