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 NNW 0 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 11 Dec 09:52 AM PST
Extended Forecast for

Happy Camp CA

  • Today

    Today: Partly sunny, with a high near 63. Light northeast wind.

    High: 63 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 41. North northeast wind around 5 mph.

    Low: 41 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 63. North northeast wind around 5 mph becoming calm  in the morning.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. East wind around 6 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

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

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of rain after 4am.  Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday

    Monday: Rain, mainly after 10am.  Mostly cloudy, with a high near 59.

    High: 59 °F

    Rain

Detailed Forecast

Today
Partly sunny, with a high near 63. Light northeast wind.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 41. North northeast wind around 5 mph.
Friday
Sunny, with a high near 63. North northeast wind around 5 mph becoming calm in the morning.
Friday Night
Mostly clear, with a low around 40. East wind around 6 mph.
Saturday
Sunny, with a high near 63. East southeast wind around 5 mph becoming calm in the morning.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
A chance of rain after 4am. Mostly cloudy, with a low around 44.
Monday
Rain, mainly after 10am. Mostly cloudy, with a high near 59.
Monday Night
Rain. Cloudy, with a low around 46.
Tuesday
Rain. Cloudy, with a high near 55.
Tuesday Night
Rain. Mostly cloudy, with a low around 44.
Wednesday
Rain. Mostly cloudy, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
Happy Camp CA
 41.81°N 123.36°W (Elev. 1299 ft)
10:26 am PST Dec 11, 2025
10am 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