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

TRINITY RIVER NEAR DOUGLAS CITY 1SW (DCYC1)

Lat: 40.64528°NLon: 122.95667°WElev: 1598ft.

NA

N/A

Humidity NA
Wind Speed NA NA MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

6 Miles SE Lewiston CA

  • Tonight

    Tonight: Areas of frost after 4am.  Otherwise, mostly clear, with a low around 35. Southwest wind around 7 mph.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Wednesday

    Wednesday: Areas of frost before 10am.  Otherwise, sunny, with a high near 59. West southwest wind around 6 mph.

    High: 59 °F

    Areas Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 35. Southwest wind around 7 mph.

    Low: 35 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 59. West southwest wind 3 to 6 mph.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. Northwest wind around 6 mph.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58. Northwest wind 3 to 6 mph.

    High: 58 °F

    Sunny

  • Friday Night

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

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy frost after 4am.  Otherwise, partly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Frost

Detailed Forecast

Tonight
Areas of frost after 4am. Otherwise, mostly clear, with a low around 35. Southwest wind around 7 mph.
Wednesday
Areas of frost before 10am. Otherwise, sunny, with a high near 59. West southwest wind around 6 mph.
Wednesday Night
Mostly clear, with a low around 35. Southwest wind around 7 mph.
Thursday
Sunny, with a high near 59. West southwest wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 41. Northwest wind around 6 mph.
Friday
Sunny, with a high near 58. Northwest wind 3 to 6 mph.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Sunny, with a high near 56.
Saturday Night
Patchy frost after 4am. Otherwise, partly cloudy, with a low around 37.
Sunday
Patchy frost before 10am. Otherwise, mostly sunny, with a high near 51.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 39.
Monday
Showers likely. Mostly cloudy, with a high near 46.
Monday Night
Showers likely. Mostly cloudy, with a low around 40.
Tuesday
A chance of showers. Mostly cloudy, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Lewiston CA
 40.63°N 122.73°W (Elev. 3360 ft)
10:31 pm PST Dec 9, 2025
10pm 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