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

Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Mostly Cloudy

46°F

8°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 10 Dec 12:53 PM PST
Extended Forecast for

Santa Rosa CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 56. Calm wind becoming south around 5 mph.

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Widespread dense fog, mainly after 1am. Otherwise, partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Dense Fog

  • Thursday

    Thursday: Widespread dense fog, mainly before 10am. Otherwise, mostly sunny, with a high near 59. Calm wind.

    High: 59 °F

    Dense Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, sunny, with a high near 62. Calm wind.

    High: 62 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Saturday Night

    Saturday Night: Widespread fog, mainly after 5am. Otherwise, partly cloudy, with a low around 43.

    Low: 43 °F

    Fog

  • Sunday

    Sunday: Widespread fog, mainly before 10am. Otherwise, partly sunny, with a high near 61.

    High: 61 °F

    Fog then
    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 56. Calm wind becoming south around 5 mph.
Tonight
Widespread dense fog, mainly after 1am. Otherwise, partly cloudy, with a low around 42. Calm wind.
Thursday
Widespread dense fog, mainly before 10am. Otherwise, mostly sunny, with a high near 59. Calm wind.
Thursday Night
Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 42. Calm wind.
Friday
Patchy fog before 11am. Otherwise, sunny, with a high near 62. Calm wind.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 64.
Saturday Night
Widespread fog, mainly after 5am. Otherwise, partly cloudy, with a low around 43.
Sunday
Widespread fog, mainly before 10am. Otherwise, partly sunny, with a high near 61.
Sunday Night
Widespread fog, mainly after midnight. Otherwise, mostly cloudy, with a low around 44.
Monday
A slight chance of showers. Widespread fog. Otherwise, mostly cloudy, with a high near 61.
Monday Night
A chance of showers. Widespread fog. Otherwise, cloudy, with a low around 50.
Tuesday
A chance of showers. Widespread fog. Otherwise, mostly cloudy, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa CA
 38.45°N 122.73°W (Elev. 131 ft)
Last Update:
12:37 pm PST Dec 10, 2025
Forecast Valid:
1pm PST Dec 10, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

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