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

39°F

4°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 39°F (4°C)
Visibility 0.50 mi
Last update 11 Dec 07:35 AM PST
Extended Forecast for

Monte Rio CA

  • Today

    Today: Patchy fog before 11am.  Otherwise, sunny, with a high near 58. Calm wind.

    High: 58 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61. Calm wind.

    High: 61 °F

    Sunny

  • Friday Night

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

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63. East southeast wind around 5 mph becoming light and variable  in the morning.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 62.

    High: 62 °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 62.

    High: 62 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Patchy fog before 11am. Otherwise, sunny, with a high near 58. Calm wind.
Tonight
Mostly clear, with a low around 45. Calm wind.
Friday
Sunny, with a high near 61. Calm wind.
Friday Night
Mostly clear, with a low around 45. Light southeast wind.
Saturday
Sunny, with a high near 63. East southeast wind around 5 mph becoming light and variable in the morning.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
A slight chance of rain after 10am. Mostly cloudy, with a high near 62.
Monday Night
A chance of rain. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 52.
Tuesday
A chance of rain. Areas of fog. Otherwise, mostly cloudy, with a high near 61.
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 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Monte Rio CA
 38.47°N 123°W (Elev. 525 ft)
2:25 am PST Dec 11, 2025
7am 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