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

Montague Siskiyou County Airport (KSIY)

Lat: 41.77375°NLon: 122.46817°WElev: 2644.0ft.

freezing fog

28°F

-2°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 28°F (-2°C)
Visibility -0.25 mi
Last update 11 Dec 07:53 AM PST
Extended Forecast for

4 Miles W Yreka CA

  • Today

    Today: Sunny, with a high near 54. Calm wind.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 53. Light east wind.

    High: 53 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. Light east southeast wind.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 55. Light east wind.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Rain likely, mainly after 4pm.  Partly sunny, with a high near 52.

    High: 52 °F

    Rain Likely

Detailed Forecast

Today
Sunny, with a high near 54. Calm wind.
Tonight
Mostly clear, with a low around 39. Calm wind.
Friday
Mostly sunny, with a high near 53. Light east wind.
Friday Night
Mostly clear, with a low around 39. Light east southeast wind.
Saturday
Sunny, with a high near 55. Light east wind.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Rain likely, mainly after 4pm. Partly sunny, with a high near 52.
Monday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 43.
Tuesday
Rain likely. Mostly cloudy, with a high near 49.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 42.
Wednesday
Rain likely. Snow level 6500 feet. Mostly cloudy, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Yreka CA
 41.73°N 122.71°W (Elev. 3399 ft)
3:40 am PST Dec 11, 2025
8am 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