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

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.

NA

44°F

7°C

Humidity 98%
Wind Speed NE 0 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 11 Dec 06:52 AM PST
Extended Forecast for

11 Miles SE Agness OR

  • Today

    Today: Sunny, with a high near 53. Calm wind.

    High: 53 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. East wind 5 to 7 mph.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 58. East wind around 6 mph.

    High: 58 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44. East wind around 9 mph.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 57. East southeast wind around 7 mph becoming south southwest in the afternoon.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 4pm.  Mostly cloudy, with a high near 50.

    High: 50 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 4am.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Rain Likely

  • Monday

    Monday: Rain.  Cloudy, with a high near 50.

    High: 50 °F

    Rain

Detailed Forecast

Today
Sunny, with a high near 53. Calm wind.
Tonight
Partly cloudy, with a low around 45. East wind 5 to 7 mph.
Friday
Mostly sunny, with a high near 58. East wind around 6 mph.
Friday Night
Mostly clear, with a low around 44. East wind around 9 mph.
Saturday
Sunny, with a high near 57. East southeast wind around 7 mph becoming south southwest in the afternoon.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
A 30 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 50.
Sunday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 46.
Monday
Rain. Cloudy, with a high near 50.
Monday Night
Rain. Cloudy, with a low around 46.
Tuesday
Rain. Snow level 6400 feet. Cloudy, with a high near 48.
Tuesday Night
Rain. Snow level 5800 feet. Cloudy, with a low around 43.
Wednesday
Rain. Snow level 5900 feet. Mostly cloudy, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SE Agness OR
 42.44°N 123.9°W (Elev. 3671 ft)
3:40 am PST Dec 11, 2025
7am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database