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

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Mist

43°F

6°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 43°F (6°C)
Visibility 3.00 mi
Last update 21 Jan 12:20 AM PST
Extended Forecast for

3 Miles SSW Windsor CA

  • Overnight

    Overnight: Areas of fog.  Otherwise, cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Areas Fog

  • Wednesday

    Wednesday: Widespread dense fog, mainly before 8am.  Otherwise, cloudy, with a high near 60. Calm wind.

    High: 60 °F

    Dense Fog
    then Cloudy

  • Wednesday Night

    Wednesday Night: Patchy fog after 10pm.  Otherwise, cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Fog

  • Thursday

    Thursday: Widespread dense fog, mainly before 10am.  Otherwise, mostly cloudy, with a high near 60. Calm wind.

    High: 60 °F

    Dense Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Overnight
Areas of fog. Otherwise, cloudy, with a low around 42. Calm wind.
Wednesday
Widespread dense fog, mainly before 8am. Otherwise, cloudy, with a high near 60. Calm wind.
Wednesday Night
Patchy fog after 10pm. Otherwise, cloudy, with a low around 43. Calm wind.
Thursday
Widespread dense fog, mainly before 10am. Otherwise, mostly cloudy, with a high near 60. Calm wind.
Thursday Night
Mostly cloudy, with a low around 42. Calm wind.
Friday
Partly sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Mostly cloudy, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Partly sunny, with a high near 60.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Mostly cloudy, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Windsor CA
 38.5°N 122.8°W (Elev. 108 ft)
12:26 am PST Jan 21, 2026
12am PST Jan 21, 2026-6pm PST Jan 27, 2026
 
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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