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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Fog

45°F

7°C

Humidity 93%
Wind Speed NW 3 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 43°F (6°C)
Visibility 6.00 mi
Last update 07 Dec 05:00 PM PST
Extended Forecast for

3 Miles NW Forestville CA

  • Tonight

    Tonight: Widespread dense fog, mainly before 5am. Otherwise, partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Dense Fog

  • Monday

    Monday: Widespread dense fog before noon, then patchy dense fog after 5pm. Otherwise, sunny, with a high near 62. Calm wind.

    High: 62 °F

    Dense Fog

  • Monday Night

    Monday Night: Widespread fog, mainly after 10pm. Otherwise, partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Fog

  • Tuesday

    Tuesday: Widespread dense fog before noon. Otherwise, mostly sunny, with a high near 64. Calm wind.

    High: 64 °F

    Dense Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy dense fog. Otherwise, partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Widespread dense fog, mainly before 11am. Otherwise, sunny, with a high near 67.

    High: 67 °F

    Dense Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog before 3am. Otherwise, mostly clear, with a low around 48.

    Low: 48 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, sunny, with a high near 67.

    High: 67 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog before 1am. Otherwise, mostly clear, with a low around 48.

    Low: 48 °F

    Patchy Fog

Detailed Forecast

Tonight
Widespread dense fog, mainly before 5am. Otherwise, partly cloudy, with a low around 43. Calm wind.
Monday
Widespread dense fog before noon, then patchy dense fog after 5pm. Otherwise, sunny, with a high near 62. Calm wind.
Monday Night
Widespread fog, mainly after 10pm. Otherwise, partly cloudy, with a low around 45. Calm wind.
Tuesday
Widespread dense fog before noon. Otherwise, mostly sunny, with a high near 64. Calm wind.
Tuesday Night
Patchy dense fog. Otherwise, partly cloudy, with a low around 47. Calm wind.
Wednesday
Widespread dense fog, mainly before 11am. Otherwise, sunny, with a high near 67.
Wednesday Night
Patchy fog before 3am. Otherwise, mostly clear, with a low around 48.
Thursday
Patchy fog before 11am. Otherwise, sunny, with a high near 67.
Thursday Night
Patchy fog before 1am. Otherwise, mostly clear, with a low around 48.
Friday
Patchy fog before 10am. Otherwise, sunny, with a high near 67.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 46.
Saturday
Sunny, with a high near 66.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 46.
Sunday
Areas of fog. Otherwise, mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Forestville CA
 38.51°N 122.92°W (Elev. 397 ft)
Last Update:
5:02 pm PST Dec 7, 2025
Forecast Valid:
5pm PST Dec 7, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation