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

Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. 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 S 4 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 08 Dec 01:35 PM PST
Extended Forecast for

2 Miles WNW Santa Rosa CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 58. Calm wind.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Widespread dense fog, mainly after midnight. Otherwise, increasing clouds, with a low around 42. Calm wind.

    Low: 42 °F

    Dense Fog

  • Tuesday

    Tuesday: Widespread dense fog, mainly before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 61. Calm wind.

    High: 61 °F

    Dense Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Widespread fog, mainly after 4am. Otherwise, partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Fog

  • Wednesday

    Wednesday: Widespread fog, mainly before 10am. Otherwise, mostly sunny, with a high near 68. Calm wind.

    High: 68 °F

    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Areas of fog. Otherwise, mostly clear, with a low around 46.

    Low: 46 °F

    Areas Fog

  • Thursday

    Thursday: Widespread fog, mainly before 10am. Otherwise, sunny, with a high near 68.

    High: 68 °F

    Fog then
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog. Otherwise, mostly clear, with a low around 45.

    Low: 45 °F

    Patchy Fog

  • Friday

    Friday: Areas of fog before 11am. Otherwise, sunny, with a high near 68.

    High: 68 °F

    Areas Fog
    then Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 58. Calm wind.
Tonight
Widespread dense fog, mainly after midnight. Otherwise, increasing clouds, with a low around 42. Calm wind.
Tuesday
Widespread dense fog, mainly before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 61. Calm wind.
Tuesday Night
Widespread fog, mainly after 4am. Otherwise, partly cloudy, with a low around 44. Calm wind.
Wednesday
Widespread fog, mainly before 10am. Otherwise, mostly sunny, with a high near 68. Calm wind.
Wednesday Night
Areas of fog. Otherwise, mostly clear, with a low around 46.
Thursday
Widespread fog, mainly before 10am. Otherwise, sunny, with a high near 68.
Thursday Night
Patchy fog. Otherwise, mostly clear, with a low around 45.
Friday
Areas of fog before 11am. Otherwise, sunny, with a high near 68.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 43.
Saturday
Areas of fog. Otherwise, mostly sunny, with a high near 66.
Saturday Night
Widespread fog. Otherwise, partly cloudy, with a low around 44.
Sunday
Widespread fog. Otherwise, partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Santa Rosa CA
 38.47°N 122.74°W (Elev. 135 ft)
Last Update:
12:26 pm PST Dec 8, 2025
Forecast Valid:
1pm PST Dec 8, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

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Chance of Precipitation