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

BLACK ROCK (OKFO3)

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

NA

41°F

5°C

Humidity 48%
Wind Speed N 2 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 11 Dec 03:15 AM PST
Extended Forecast for

4 Miles SSE Chemult OR

  • Overnight

    Overnight: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 29. Calm wind.

    Low: 29 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am.  Otherwise, sunny, with a high near 54. Light south wind.

    High: 54 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 1am.  Otherwise, mostly clear, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 55. Calm wind.

    High: 55 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of rain and snow after 4am.  Snow level 7000 feet. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 29. Calm wind.
Thursday
Patchy fog before 10am. Otherwise, sunny, with a high near 54. Light south wind.
Thursday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 27. Calm wind.
Friday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 55. Calm wind.
Friday Night
Partly cloudy, with a low around 26. Calm wind.
Saturday
Sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 51.
Sunday Night
A slight chance of rain and snow after 4am. Snow level 7000 feet. Mostly cloudy, with a low around 31.
Monday
A slight chance of rain and snow before 7am, then rain. Snow level 7500 feet rising to 9200 feet in the afternoon. Mostly cloudy, with a high near 50.
Monday Night
Rain. Snow level 8500 feet lowering to 7500 feet after midnight . Mostly cloudy, with a low around 33.
Tuesday
Rain likely. Snow level 6700 feet. Mostly cloudy, with a high near 46.
Tuesday Night
Rain and snow likely. Snow level 5900 feet lowering to 5400 feet after midnight . Mostly cloudy, with a low around 29.
Wednesday
Rain and snow. Snow level 5100 feet rising to 5700 feet in the afternoon. Mostly cloudy, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Chemult OR
 43.18°N 121.76°W (Elev. 4865 ft)
3:40 am PST Dec 11, 2025
3am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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Additional Resources

Radar & Satellite Image

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