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

50°F

10°C

Humidity 48%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 11 Dec 09:15 AM PST
Extended Forecast for

4 Miles SSE Willamette Pass OR

  • Today

    Today: Sunny, with a high near 45. West wind around 11 mph.

    High: 45 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. South wind around 8 mph.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 50. West southwest wind around 10 mph.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36. South wind 7 to 10 mph.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 50. South southeast wind around 7 mph.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of rain and snow between 10am and 1pm, then a slight chance of rain after 1pm.  Snow level rising to 7300 feet in the afternoon. Partly sunny, with a high near 43. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of rain, mainly after 4am.  Snow level 7300 feet. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

  • Monday

    Monday: Rain, mainly after 10am.  Snow level 8100 feet rising to 9200 feet in the afternoon. Mostly cloudy, with a high near 42.

    High: 42 °F

    Rain

Detailed Forecast

Today
Sunny, with a high near 45. West wind around 11 mph.
Tonight
Mostly clear, with a low around 34. South wind around 8 mph.
Friday
Mostly sunny, with a high near 50. West southwest wind around 10 mph.
Friday Night
Partly cloudy, with a low around 36. South wind 7 to 10 mph.
Saturday
Sunny, with a high near 50. South southeast wind around 7 mph.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
A slight chance of rain and snow between 10am and 1pm, then a slight chance of rain after 1pm. Snow level rising to 7300 feet in the afternoon. Partly sunny, with a high near 43. Chance of precipitation is 20%.
Sunday Night
A chance of rain, mainly after 4am. Snow level 7300 feet. Mostly cloudy, with a low around 36.
Monday
Rain, mainly after 10am. Snow level 8100 feet rising to 9200 feet in the afternoon. Mostly cloudy, with a high near 42.
Monday Night
Rain. Snow level 8400 feet lowering to 7300 feet after midnight . Cloudy, with a low around 34. Breezy.
Tuesday
Rain and snow. Snow level 6400 feet. Mostly cloudy, with a high near 35.
Tuesday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 29. Breezy.
Wednesday
Snow. Cloudy, with a high near 33. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Willamette Pass OR
 43.52°N 122.03°W (Elev. 6145 ft)
9:40 am PST Dec 11, 2025
10am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database