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

38°F

3°C

Humidity 93%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 09 Dec 05:01 PM PST
Extended Forecast for

6 Miles NE Sumpter OR

  • This Afternoon

    This Afternoon: Rain and snow.  Snow level 8600 feet. Steady temperature around 31. West southwest wind around 8 mph.  Chance of precipitation is 100%. Total daytime snow accumulation of around 2 inches.

    High: 31 °F

    Rain/Snow

  • Tonight

    Tonight: Rain and snow, becoming all rain after 7pm.  Temperature rising to around 38 by 1am. Breezy, with a west wind 15 to 22 mph, with gusts as high as 33 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow
    then Rain
    Likely and
    Breezy

  • Wednesday

    Wednesday: A 20 percent chance of rain before 10am.  Snow level 8300 feet. Mostly cloudy, with a high near 38. West wind 13 to 18 mph, with gusts as high as 30 mph.

    High: 38 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32. West wind around 14 mph, with gusts as high as 25 mph.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of snow after 10am, mixing with rain after 1pm.  Partly sunny, with a high near 38. West wind 6 to 14 mph.  Chance of precipitation is 20%.

    High: 38 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A slight chance of rain and snow before 10pm.  Mostly cloudy, with a low around 31. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Friday Night

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

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain and snow. Snow level 8600 feet. Steady temperature around 31. West southwest wind around 8 mph. Chance of precipitation is 100%. Total daytime snow accumulation of around 2 inches.
Tonight
Rain and snow, becoming all rain after 7pm. Temperature rising to around 38 by 1am. Breezy, with a west wind 15 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday
A 20 percent chance of rain before 10am. Snow level 8300 feet. Mostly cloudy, with a high near 38. West wind 13 to 18 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly cloudy, with a low around 32. West wind around 14 mph, with gusts as high as 25 mph.
Thursday
A slight chance of snow after 10am, mixing with rain after 1pm. Partly sunny, with a high near 38. West wind 6 to 14 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of rain and snow before 10pm. Mostly cloudy, with a low around 31. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 38.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 35.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 32.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 27.
Monday
A 50 percent chance of snow. Mostly cloudy, with a high near 32.
Monday Night
Snow likely. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.
Tuesday
Snow likely. Mostly cloudy, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NE Sumpter OR
 44.81°N 118.1°W (Elev. 8068 ft)
1:04 pm PST Dec 9, 2025
5pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

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