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

LYONS VALLEY (COWC1)

Lat: 39.12583°NLon: 123.07333°WElev: 3355.0ft.

NA

65°F

18°C

Humidity 19%
Wind Speed NW 9 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Last update 09 Dec 11:01 PM PST
Extended Forecast for

8 Miles NNE Hopland CA

  • Tonight

    Tonight: Clear, with a low around 55. North northwest wind around 5 mph.

    Low: 55 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 67. Northwest wind 6 to 8 mph.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 51. Northwest wind around 6 mph.

    Low: 51 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 68. Northwest wind around 6 mph.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 53. Northeast wind around 7 mph.

    Low: 53 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 66. Northeast wind 5 to 7 mph becoming southwest in the afternoon.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 55. North northwest wind around 5 mph.
Wednesday
Sunny, with a high near 67. Northwest wind 6 to 8 mph.
Wednesday Night
Clear, with a low around 51. Northwest wind around 6 mph.
Thursday
Sunny, with a high near 68. Northwest wind around 6 mph.
Thursday Night
Clear, with a low around 53. Northeast wind around 7 mph.
Friday
Sunny, with a high near 66. Northeast wind 5 to 7 mph becoming southwest in the afternoon.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 50.
Monday
A chance of showers. Mostly cloudy, with a high near 58.
Monday Night
Showers likely. Mostly cloudy, with a low around 53.
Tuesday
A chance of showers. Partly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNE Hopland CA
 39.07°N 123.07°W (Elev. 2654 ft)
10:31 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