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

BLACK ROCK (OKFO3)

Lat: 43.52831°NLon: 121.81601°WElev: 4891.0ft.

NA

45°F

7°C

Humidity 100%
Wind Speed NNE 1 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 09 Dec 06:15 PM PST
Extended Forecast for

23 Miles SSE Chemult OR

Wind Advisory December 9, 07:00pm until December 9, 10:00pm
Click here for hazard details and duration
...
  •  
    Wind Advisory December 9, 07:00pm until December 9, 10:00pm

    NOW until 10:00pm Tue

    Wind Advisory

  • Tonight

    Low: 31 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 57 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 25. South wind 3 to 5 mph.

    Low: 25 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 9am.  Otherwise, sunny, with a high near 54. Light southwest wind.

    High: 54 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm.  Otherwise, mostly clear, with a low around 22. Calm wind.

    Low: 22 °F

    Patchy Fog

  • Friday

    Friday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

Detailed Forecast

Tonight
A 20 percent chance of rain before 9pm. Mostly cloudy, with a low around 31. South southeast wind 6 to 9 mph.
Wednesday
Mostly sunny, with a high near 57. Light south wind becoming southwest 5 to 10 mph in the morning.
Wednesday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 25. South wind 3 to 5 mph.
Thursday
Patchy fog before 9am. Otherwise, sunny, with a high near 54. Light southwest wind.
Thursday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 22. Calm wind.
Friday
Sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Partly sunny, with a high near 51.
Sunday Night
A slight chance of rain and snow. Snow level 6700 feet lowering to 6100 feet after midnight . Mostly cloudy, with a low around 27.
Monday
Rain and snow likely. Snow level 6100 feet rising to 7600 feet in the afternoon. Mostly cloudy, with a high near 48.
Monday Night
Rain and snow likely. Snow level 7500 feet lowering to 6900 feet after midnight . Mostly cloudy, with a low around 28.
Tuesday
A chance of rain and snow. Snow level 6300 feet. Partly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
23 Miles SSE Chemult OR
 42.95°N 121.57°W (Elev. 4600 ft)
3:41 pm PST Dec 9, 2025
7pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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