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

MIDDLE PEAK (MDEC1)

Lat: 37.92778°NLon: 122.58722°WElev: 2339.0ft.

NA

62°F

17°C

Humidity 29%
Wind Speed NNW 17 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 11 Dec 03:36 AM PST
Extended Forecast for

Fairfax CA

  • Today

    Today: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 49. Light east wind.

    High: 49 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 52. Calm wind becoming east northeast around 5 mph in the morning.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 60. Light and variable wind becoming east northeast around 5 mph.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 49. Light east wind.
Tonight
Mostly clear, with a low around 42. Calm wind.
Friday
Sunny, with a high near 52. Calm wind becoming east northeast around 5 mph in the morning.
Friday Night
Mostly clear, with a low around 43. Calm wind.
Saturday
Sunny, with a high near 60. Light and variable wind becoming east northeast around 5 mph.
Saturday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Partly sunny, with a high near 61.
Monday Night
A chance of rain. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 50.
Tuesday
A chance of rain. Areas of fog. Otherwise, mostly cloudy, with a high near 62.
Tuesday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 52.
Wednesday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Fairfax CA
 37.99°N 122.58°W (Elev. 276 ft)
2:25 am PST Dec 11, 2025
4am 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