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

Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Novato / Gnoss Field (KDVO)

Lat: 38.14178°NLon: 122.55463°WElev: 3.0ft.

Clear

52°F

11°C

Humidity 81%
Wind Speed SE 8 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 21 Jan 03:35 PM PST
Extended Forecast for

Sonoma CA

  • Tonight

    Tonight: A 10 percent chance of rain after 10pm. Patchy fog before 1am, then patchy fog after 5am. Otherwise, cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Patchy
    Fog

  • Thursday

    Thursday: Areas of fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 61. Light and variable wind.

    High: 61 °F

    Areas Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 58. Calm wind.

    High: 58 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 10 percent chance of rain after 10pm. Patchy fog before 1am, then patchy fog after 5am. Otherwise, cloudy, with a low around 43. Calm wind.
Thursday
Areas of fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 61. Light and variable wind.
Thursday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 43. Calm wind.
Friday
Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 58. Calm wind.
Friday Night
Mostly clear, with a low around 40. Calm wind.
Saturday
Sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 40.
Wednesday
A chance of rain. Mostly cloudy, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sonoma CA
 38.3°N 122.49°W (Elev. 108 ft)
Last Update:
2:22 pm PST Jan 21, 2026
Forecast Valid:
3pm PST Jan 21, 2026-6pm PST Jan 28, 2026
 
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