Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

smoke

48°F

9°C

Humidity 100%
Wind Speed SE 3 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 48°F (9°C)
Visibility 9.00 mi
Last update 22 Jan 07:35 PM PST
Extended Forecast for

Guerneville CA

  • Tonight

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

    Low: 44 °F

    Patchy Fog

  • Friday

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

    High: 58 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog.  Otherwise, partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Saturday

    Saturday: Sunny, with a high near 62. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 44. Calm wind.
Friday
Areas of dense fog before noon. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 58. Calm wind.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42. Calm wind.
Saturday
Sunny, with a high near 62. Calm wind becoming north northeast around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 39. Calm wind.
Sunday
Mostly cloudy, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 58.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 46.
Wednesday
A chance of rain. Mostly cloudy, with a high near 58.
Wednesday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 44.
Thursday
A slight chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.5°N 122.98°W (Elev. 397 ft)
3:01 pm PST Jan 22, 2026
7pm PST Jan 22, 2026-6pm PST Jan 29, 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