Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Fog

41°F

5°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 41°F (5°C)
Visibility 0.50 mi
Last update 11 Dec 10:35 AM PST
Extended Forecast for

2 Miles SSE Guerneville CA

  • Today

    Today: Patchy fog before 11am.  Otherwise, sunny, with a high near 53. Calm wind.

    High: 53 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57. Calm wind.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45. Light south southeast wind.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62. Light south wind.

    High: 62 °F

    Sunny

  • Saturday Night

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

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain after 10am.  Mostly cloudy, with a high near 61.

    High: 61 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Patchy fog before 11am. Otherwise, sunny, with a high near 53. Calm wind.
Tonight
Mostly clear, with a low around 44. Calm wind.
Friday
Sunny, with a high near 57. Calm wind.
Friday Night
Mostly clear, with a low around 45. Light south southeast wind.
Saturday
Sunny, with a high near 62. Light south wind.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
A slight chance of rain after 10am. Mostly cloudy, with a high near 61.
Monday Night
A chance of rain. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 51.
Tuesday
A chance of rain. Areas of fog. Otherwise, mostly cloudy, with a high near 60.
Tuesday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 51.
Wednesday
A chance of rain. Areas of fog. Otherwise, mostly cloudy, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Guerneville CA
 38.48°N 122.97°W (Elev. 597 ft)
2:25 am PST Dec 11, 2025
10am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database