Frigid Airmass to Bring Significantly Colder Temperatures; Snow Continues Downwind of the Great Lakes

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Record low temperatures are expected in the Southeast by Tuesday morning. Moderate to heavy lake effect snow will continue downwind of the Great Lakes through Monday. Several inches of snow accumulation is expected, including in portions of the Chicago Metro Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

61°F

16°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 09 Nov 07:35 PM PST
Extended Forecast for

Guerneville CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. Calm wind becoming north 5 to 7 mph in the evening.

    Low: 58 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57. North wind around 7 mph.

    Low: 57 °F

    Mostly Cloudy

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 76. Light and variable wind becoming southwest around 6 mph in the afternoon.

    High: 76 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: A 50 percent chance of rain after 10am.  Areas of dense fog before 7am.  Otherwise, cloudy, with a high near 64. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 64 °F

    Chance Rain
    and Areas
    Dense Fog

  • Wednesday Night

    Wednesday Night: Rain.  Low around 51. Chance of precipitation is 100%.

    Low: 51 °F

    Rain

  • Thursday

    Thursday: Rain.  Mostly cloudy, with a high near 60.

    High: 60 °F

    Rain

  • Thursday Night

    Thursday Night: A chance of rain.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 58. Calm wind becoming north 5 to 7 mph in the evening.
Monday
Mostly sunny, with a high near 81. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 57. North wind around 7 mph.
Veterans Day
Partly sunny, with a high near 76. Light and variable wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 53. Calm wind.
Wednesday
A 50 percent chance of rain after 10am. Areas of dense fog before 7am. Otherwise, cloudy, with a high near 64. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain. Low around 51. Chance of precipitation is 100%.
Thursday
Rain. Mostly cloudy, with a high near 60.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 45.
Friday
A chance of rain. Patchy fog before 7am. Otherwise, partly sunny, with a high near 58.
Friday Night
A chance of rain. Mostly cloudy, with a low around 45.
Saturday
A slight chance of rain. Patchy fog. Otherwise, mostly sunny, with a high near 64.
Saturday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 47.
Sunday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.52°N 122.98°W (Elev. 95 ft)
3:04 pm PST Nov 9, 2025
7pm PST Nov 9, 2025-6pm PST Nov 16, 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