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.

haze

46°F

8°C

Humidity 93%
Wind Speed WNW 4 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 07 Dec 04:35 PM PST
Extended Forecast for

3 Miles SSW Windsor CA

  • Tonight

    Tonight: Patchy dense fog before 10pm, then patchy dense fog after 11pm. Otherwise, increasing clouds, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Dense
    Fog

  • Monday

    Monday: Areas of dense fog before noon. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 61. Calm wind.

    High: 61 °F

    Areas Dense
    Fog then
    Sunny

  • Monday Night

    Monday Night: Patchy fog before 9pm, then patchy fog after 1am. Otherwise, increasing clouds, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 63. Calm wind.

    High: 63 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43. North northwest wind 3 to 5 mph.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Patchy fog between 10am and 11am. Otherwise, mostly sunny, with a high near 68.

    High: 68 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Thursday

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

    High: 67 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 42.

    Low: 42 °F

    Patchy Fog

Detailed Forecast

Tonight
Patchy dense fog before 10pm, then patchy dense fog after 11pm. Otherwise, increasing clouds, with a low around 40. Calm wind.
Monday
Areas of dense fog before noon. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 61. Calm wind.
Monday Night
Patchy fog before 9pm, then patchy fog after 1am. Otherwise, increasing clouds, with a low around 41. Calm wind.
Tuesday
Areas of fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 63. Calm wind.
Tuesday Night
Partly cloudy, with a low around 43. North northwest wind 3 to 5 mph.
Wednesday
Patchy fog between 10am and 11am. Otherwise, mostly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 67.
Thursday Night
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 42.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 67.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 41.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 66.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42.
Sunday
Areas of fog. Otherwise, partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Windsor CA
 38.5°N 122.8°W (Elev. 108 ft)
Last Update:
12:41 pm PST Dec 7, 2025
Forecast Valid:
4pm PST Dec 7, 2025-6pm PST Dec 14, 2025
 
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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