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

OR7 SB at Sumpter MP 25.07 (OD128)

Lat: 44.71702°NLon: 118.16314°WElev: 4245.0ft.

NA

37°F

3°C

Humidity 94%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 09 Dec 09:21 PM PST
Extended Forecast for

9 Miles ESE Sumpter OR

  • Tonight

    Tonight: Rain.  Low around 38. Calm wind becoming west around 6 mph after midnight.  Chance of precipitation is 90%.

    Low: 38 °F

    Rain then
    Rain Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 53. West wind 6 to 8 mph.

    High: 53 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after 10am.  Partly sunny, with a high near 51. Calm wind.

    High: 51 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Areas of fog after 4am.  Otherwise, mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy
    then Areas
    Fog

  • Friday

    Friday: Areas of fog before 7am.  Otherwise, mostly sunny, with a high near 52.

    High: 52 °F

    Areas Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain. Low around 38. Calm wind becoming west around 6 mph after midnight. Chance of precipitation is 90%.
Wednesday
Mostly cloudy, with a high near 53. West wind 6 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 34. West southwest wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of rain after 10am. Partly sunny, with a high near 51. Calm wind.
Thursday Night
Areas of fog after 4am. Otherwise, mostly cloudy, with a low around 31. Calm wind.
Friday
Areas of fog before 7am. Otherwise, mostly sunny, with a high near 52.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
A 20 percent chance of rain. Partly sunny, with a high near 47.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 28.
Monday
A 40 percent chance of rain. Mostly cloudy, with a high near 45.
Monday Night
Rain likely. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of rain. Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Sumpter OR
 44.69°N 118.04°W (Elev. 4088 ft)
1:04 pm PST Dec 9, 2025
9pm 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

National Digital Forecast Database