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

Santa Rosa CA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 47. Calm wind.

    Low: 47 °F

    Patchy Fog

  • Thursday

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

    High: 63 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Widespread dense fog, mainly before 5am. Otherwise, increasing clouds, with a low around 43. Calm wind.

    Low: 43 °F

    Dense Fog

  • Friday

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

    High: 58 °F

    Dense Fog

  • Friday Night

    Friday Night: Patchy fog before 3am. Otherwise, partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Fog

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Patchy frost between 7am and 8am. Otherwise, partly sunny, with a high near 58.

    High: 58 °F

    Patchy Frost
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy
    then Patchy
    Fog

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 47. Calm wind.
Thursday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 63. Light and variable wind.
Thursday Night
Widespread dense fog, mainly before 5am. Otherwise, increasing clouds, with a low around 43. Calm wind.
Friday
Widespread dense fog before 1pm. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 58. Calm wind.
Friday Night
Patchy fog before 3am. Otherwise, partly cloudy, with a low around 41. Calm wind.
Saturday
Sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Patchy frost between 7am and 8am. Otherwise, partly sunny, with a high near 58.
Sunday Night
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 38.
Monday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 58.
Monday Night
Widespread fog. Otherwise, mostly cloudy, with a low around 39.
Tuesday
Widespread fog. Otherwise, mostly cloudy, with a high near 58.
Tuesday Night
A slight chance of rain. Patchy fog. Otherwise, cloudy, with a low around 45.
Wednesday
A chance of rain. Areas of fog. Otherwise, mostly cloudy, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa CA
 38.45°N 122.7°W (Elev. 190 ft)
Last Update:
1:13 am PST Jan 22, 2026
Forecast Valid:
3am PST Jan 22, 2026-6pm PST Jan 28, 2026
 
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Additional Resources

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Chance of Precipitation