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

US20 WB at Riley MP104 (OD102)

Lat: 43.54253°NLon: 119.50367°WElev: 4219.0ft.

NA

40°F

4°C

Humidity 71%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 11 Dec 09:21 AM PST
Extended Forecast for

28 Miles SE Hampton OR

Air Stagnation Advisory December 12, 04:00am until December 15, 04:00am
Click here for hazard details and duration
Air Stagnation Advisory
  • Today

    Today: Sunny, with a high near 47. West wind 9 to 15 mph.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. Southwest wind 7 to 13 mph.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 47. Southwest wind around 11 mph.

    High: 47 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 32. West southwest wind around 15 mph.

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 48. Southwest wind 9 to 13 mph becoming south southeast in the afternoon.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of rain and snow after 10am.  Snow level 7200 feet rising to 8800 feet in the afternoon. Mostly cloudy, with a high near 46. Breezy.  Chance of precipitation is 30%.

    High: 46 °F

    Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 47. West wind 9 to 15 mph.
Tonight
Mostly clear, with a low around 34. Southwest wind 7 to 13 mph.
Friday
Sunny, with a high near 47. Southwest wind around 11 mph.
Friday Night
Partly cloudy, with a low around 32. West southwest wind around 15 mph.
Saturday
Sunny, with a high near 48. Southwest wind 9 to 13 mph becoming south southeast in the afternoon.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Mostly sunny, with a high near 43.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
A chance of rain and snow after 10am. Snow level 7200 feet rising to 8800 feet in the afternoon. Mostly cloudy, with a high near 46. Breezy. Chance of precipitation is 30%.
Monday Night
A chance of rain before 4am, then a slight chance of rain and snow. Mostly cloudy, with a low around 38. Windy. Chance of precipitation is 40%.
Tuesday
A chance of rain and snow. Snow level 6900 feet. Partly sunny, with a high near 43. Breezy. Chance of precipitation is 30%.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 34. Windy. Chance of precipitation is 50%.
Wednesday
A 40 percent chance of snow. Partly sunny, with a high near 39. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
28 Miles SE Hampton OR
 43.36°N 119.9°W (Elev. 6198 ft)
1:04 am PST Dec 11, 2025
9am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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Additional Resources

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