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.

haze

57°F

14°C

Humidity 71%
Wind Speed SE 6 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 48°F (9°C)
Visibility 8.00 mi
Last update 21 Jan 03:35 PM PST
Extended Forecast for

Santa Rosa CA

  • Tonight

    Tonight: Patchy fog after 11pm.  Otherwise, cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Patchy Fog

  • Thursday

    Thursday: Widespread dense fog, mainly before 7am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 61. Light and variable wind.

    High: 61 °F

    Dense Fog
    then Mostly
    Sunny

  • Thursday Night

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

    Low: 43 °F

    Patchy Fog

  • Friday

    Friday: Areas of fog before 1pm.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 58. Calm wind.

    High: 58 °F

    Areas Fog

  • Friday Night

    Friday Night: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °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 57.

    High: 57 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, cloudy, with a low around 44. Calm wind.
Thursday
Widespread dense fog, mainly before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 61. Light and variable wind.
Thursday Night
Patchy fog. Otherwise, increasing clouds, with a low around 43. Calm wind.
Friday
Areas of fog before 1pm. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 58. Calm wind.
Friday Night
Mostly clear, with a low around 41. Calm wind.
Saturday
Sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 42.
Wednesday
A chance of rain. Mostly cloudy, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa CA
 38.45°N 122.7°W (Elev. 190 ft)
2:22 pm PST Jan 21, 2026
3pm PST Jan 21, 2026-6pm PST Jan 28, 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