Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

MIDDLE PEAK (MDEC1)

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

NA

61°F

16°C

Humidity 37%
Wind Speed NNW 12 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 09 Dec 10:36 PM PST
Extended Forecast for

Fairfax CA

  • Tonight

    Tonight: Patchy fog between 4am and 5am.  Otherwise, partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy dense fog before 10am.  Otherwise, mostly sunny, with a high near 58. Light northeast wind.

    High: 58 °F

    Patchy Dense
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 63. Light northeast wind.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Friday Night

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

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

Tonight
Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 44. Calm wind.
Wednesday
Patchy dense fog before 10am. Otherwise, mostly sunny, with a high near 58. Light northeast wind.
Wednesday Night
Mostly clear, with a low around 44. Calm wind.
Thursday
Sunny, with a high near 63. Light northeast wind.
Thursday Night
Mostly clear, with a low around 44. Calm wind.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 43.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 45.
Sunday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 61.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 46.
Monday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 61.
Monday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 50.
Tuesday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Fairfax CA
 37.99°N 122.58°W (Elev. 276 ft)
12:26 pm PST Dec 9, 2025
11pm PST Dec 9, 2025-6pm PST Dec 16, 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