Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

OR7 SB at Sumpter MP 25.07 (OD128)

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

NA

43°F

6°C

Humidity 92%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 10 Dec 01:21 PM PST
Extended Forecast for

7 Miles NE Sumpter OR

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

    This Afternoon: Mostly cloudy, with a high near 39. West wind 7 to 9 mph.

    High: 39 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. West wind 11 to 17 mph.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of rain and snow between 10am and 1pm, then a slight chance of rain after 1pm.  Snow level 8500 feet. Mostly cloudy, with a high near 37. West wind 6 to 13 mph.  Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32. West northwest wind around 8 mph.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 38. Southwest wind 6 to 8 mph.

    High: 38 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 39. West wind 7 to 9 mph.
Tonight
Mostly cloudy, with a low around 32. West wind 11 to 17 mph.
Thursday
A slight chance of rain and snow between 10am and 1pm, then a slight chance of rain after 1pm. Snow level 8500 feet. Mostly cloudy, with a high near 37. West wind 6 to 13 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 32. West northwest wind around 8 mph.
Friday
Mostly sunny, with a high near 38. Southwest wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 32.
Sunday Night
A 30 percent chance of snow, mainly after 4am. Mostly cloudy, with a low around 27.
Monday
Snow. High near 32. Chance of precipitation is 80%.
Monday Night
Snow. Low around 30. Chance of precipitation is 80%.
Tuesday
Snow likely. Mostly cloudy, with a high near 34. Chance of precipitation is 60%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NE Sumpter OR
 44.81°N 118.1°W (Elev. 8068 ft)
1:04 pm PST Dec 10, 2025
1pm PST Dec 10, 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