National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Mist

46°F

8°C

Humidity 92%
Wind Speed S 3 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 44°F (7°C)
Visibility 5.00 mi
Last update 22 Jan 02:53 AM PST
Extended Forecast for

3 Miles E Guerneville CA

  • Overnight

    Overnight: Areas of fog. Otherwise, mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Areas Fog

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 63. Light and variable wind.

    High: 63 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Widespread dense fog, mainly before 1am. Otherwise, increasing clouds, with a low around 44. Calm wind.

    Low: 44 °F

    Dense Fog

  • Friday

    Friday: Widespread dense fog before 1pm. Otherwise, mostly sunny, with a high near 58. Calm wind.

    High: 58 °F

    Dense Fog

  • Friday Night

    Friday Night: Patchy fog. Otherwise, mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Saturday

    Saturday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Saturday Night

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

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly cloudy, with a low around 47. Calm wind.
Thursday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 63. Light and variable wind.
Thursday Night
Widespread dense fog, mainly before 1am. Otherwise, increasing clouds, with a low around 44. Calm wind.
Friday
Widespread dense fog before 1pm. Otherwise, mostly sunny, with a high near 58. Calm wind.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 42. Calm wind.
Saturday
Sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 59.
Monday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 42.
Tuesday
Patchy fog. Otherwise, partly sunny, with a high near 58.
Tuesday Night
A slight chance of rain. Patchy fog. Otherwise, cloudy, with a low around 48.
Wednesday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Guerneville CA
 38.5°N 122.95°W (Elev. 79 ft)
Last Update:
1:13 am PST Jan 22, 2026
Forecast Valid:
3am PST Jan 22, 2026-6pm PST Jan 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation