Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

59°F

15°C

Humidity 58%
Wind Speed SSE 3 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 14 Jan 12:20 PM PST
Extended Forecast for

Guerneville CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 65. Calm wind.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66. Calm wind becoming east around 5 mph in the afternoon.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 66. Calm wind.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 65. Calm wind.
Tonight
Mostly clear, with a low around 46. Calm wind.
Thursday
Sunny, with a high near 66. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 46. Calm wind.
Friday
Sunny, with a high near 66. Calm wind.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Sunny, with a high near 64.
Sunday Night
Patchy fog before 4am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 45.
M.L.King Day
Mostly sunny, with a high near 63.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 45.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.49°N 123°W (Elev. 197 ft)
12:26 pm PST Jan 14, 2026
12pm PST Jan 14, 2026-6pm PST Jan 20, 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