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

37°F

3°C

Humidity 94%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 10 Dec 09:01 AM PST
Extended Forecast for

3 Miles WNW Sumpter OR

Dense Fog Advisory until December 10, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until December 10, 10:00am

    NOW until 10:00am Wed

    Dense Fog Advisory

  • Today

    High: 50 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. Light and variable wind.

    Low: 38 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 10 percent chance of rain after 10am.  Partly sunny, with a high near 49. Calm wind.

    High: 49 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 50. Calm wind.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 50. West wind around 5 mph becoming calm in the afternoon.
Tonight
Mostly cloudy, with a low around 38. Light and variable wind.
Thursday
A 10 percent chance of rain after 10am. Partly sunny, with a high near 49. Calm wind.
Thursday Night
Partly cloudy, with a low around 38. Calm wind.
Friday
Mostly sunny, with a high near 50. Calm wind.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Partly sunny, with a high near 47.
Sunday Night
A 30 percent chance of snow after 4am. Mostly cloudy, with a low around 33.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 45. Chance of precipitation is 50%.
Monday Night
Rain likely. Mostly cloudy, with a low around 34. Chance of precipitation is 70%.
Tuesday
Rain and snow likely. Mostly cloudy, with a high near 44. Chance of precipitation is 60%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Sumpter OR
 44.77°N 118.24°W (Elev. 4843 ft)
1:04 am PST Dec 10, 2025
9am PST Dec 10, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database