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.

Fog

44°F

7°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 44°F (7°C)
Visibility 0.25 mi
Last update 21 Jan 10:05 AM PST
Extended Forecast for

3 Miles W Santa Rosa CA

  • Today

    Today: Patchy fog before 11am.  Otherwise, cloudy, with a high near 59. Calm wind.

    High: 59 °F

    Patchy Fog
    then Cloudy

  • Tonight

    Tonight: Widespread dense fog, mainly between 10pm and 2am.  Otherwise, cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Dense Fog

  • Thursday

    Thursday: Widespread dense fog, mainly before 7am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 60. Calm wind.

    High: 60 °F

    Dense Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog.  Otherwise, mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Patchy Fog

  • Friday

    Friday: Areas of fog before 1pm.  Otherwise, partly sunny, with a high near 59. Calm wind.

    High: 59 °F

    Areas Fog

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41.

    Low: 41 °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 37.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy fog before 11am. Otherwise, cloudy, with a high near 59. Calm wind.
Tonight
Widespread dense fog, mainly between 10pm and 2am. Otherwise, cloudy, with a low around 45. Calm wind.
Thursday
Widespread dense fog, mainly before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 60. Calm wind.
Thursday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 44. Calm wind.
Friday
Areas of fog before 1pm. Otherwise, partly sunny, with a high near 59. Calm wind.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly cloudy, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
Mostly cloudy, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Santa Rosa CA
 38.44°N 122.76°W (Elev. 105 ft)
2:13 am PST Jan 21, 2026
10am 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