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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

39°F

4°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.46 in (1031.49 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 09 Jan 09:00 PM PST
Extended Forecast for

Santa Rosa CA

Cold Weather Advisory January 10, 01:00am until January 10, 09:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Areas of frost after 4am. Otherwise, partly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Partly Cloudy
    then Areas
    Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, partly sunny, with a high near 56. Light east wind.

    High: 56 °F

    Areas Frost
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Patchy frost after 5am. Otherwise, mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy
    then Patchy
    Frost

  • Sunday

    Sunday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 58. Calm wind.

    High: 58 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy fog between 8am and 9am. Otherwise, sunny, with a high near 63.

    High: 63 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog between 10pm and midnight. Otherwise, mostly clear, with a low around 43.

    Low: 43 °F

    Patchy Fog
    then Mostly
    Clear

Detailed Forecast

Tonight
Areas of frost after 4am. Otherwise, partly cloudy, with a low around 34. Calm wind.
Saturday
Areas of frost before 8am. Otherwise, partly sunny, with a high near 56. Light east wind.
Saturday Night
Patchy frost after 5am. Otherwise, mostly cloudy, with a low around 37. Calm wind.
Sunday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 58. Calm wind.
Sunday Night
Mostly clear, with a low around 37. Calm wind.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Patchy fog between 8am and 9am. Otherwise, sunny, with a high near 63.
Tuesday Night
Patchy fog between 10pm and midnight. Otherwise, mostly clear, with a low around 43.
Wednesday
Patchy fog before 10am. Otherwise, sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa CA
 38.45°N 122.7°W (Elev. 190 ft)
Last Update:
1:09 pm PST Jan 9, 2026
Forecast Valid:
9pm PST Jan 9, 2026-6pm PST Jan 16, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation