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 93%
Wind Speed W 3 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 45°F (7°C)
Visibility 6.00 mi
Last update 21 Jan 10:00 PM PST
Extended Forecast for

2 Miles E Guerneville CA

  • Tonight

    Tonight: Patchy fog before 3am, then areas of fog after 5am. Otherwise, cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Areas Fog

  • Thursday

    Thursday: Widespread dense fog, mainly before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 62. Light west southwest wind.

    High: 62 °F

    Dense Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Widespread dense fog, mainly after midnight. Otherwise, partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Dense Fog

  • Friday

    Friday: Widespread dense fog, mainly before 11am. Otherwise, mostly sunny, with a high near 58. Calm wind.

    High: 58 °F

    Dense Fog

  • Friday Night

    Friday Night: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • 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

Tonight
Patchy fog before 3am, then areas of fog after 5am. Otherwise, cloudy, with a low around 47. Calm wind.
Thursday
Widespread dense fog, mainly before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 62. Light west southwest wind.
Thursday Night
Widespread dense fog, mainly after midnight. Otherwise, partly cloudy, with a low around 45. Calm wind.
Friday
Widespread dense fog, mainly before 11am. Otherwise, mostly sunny, with a high near 58. Calm wind.
Friday Night
Mostly clear, with a low around 43. 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
Mostly sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 45.
Wednesday
A chance of rain. Mostly cloudy, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Guerneville CA
 38.5°N 122.95°W (Elev. 79 ft)
Last Update:
2:22 pm PST Jan 21, 2026
Forecast Valid:
10pm PST Jan 21, 2026-6pm PST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

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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