National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

OR7 SB at Sumpter MP 25.07 (OD128)

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

NA

21°F

-6°C

Humidity 72%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility NA
Last update 29 Dec 05:51 PM PST
Extended Forecast for

Sumpter OR

Air Stagnation Advisory December 29, 06:11pm until January 1, 09:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory December 29, 06:11pm until January 1, 09:00am

    NOW until 9:00am Thu

    Air Stagnation Advisory

  • Tonight

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 36. Calm wind.

    High: 36 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 38. Calm wind.

    High: 38 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A chance of snow before 10am, then a chance of rain and snow. Snow level rising to 4900 feet in the afternoon. Mostly cloudy, with a high near 37. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and snow likely. Snow level 5700 feet. Mostly cloudy, with a low around 30. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 30 °F

    Rain/Snow
    Likely

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.

    High: 39 °F

    Rain Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 21. Calm wind.
Tuesday
Sunny, with a high near 36. Calm wind.
Tuesday Night
Mostly clear, with a low around 22. Calm wind.
Wednesday
Partly sunny, with a high near 38. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 26. Calm wind.
New Year's Day
A chance of snow before 10am, then a chance of rain and snow. Snow level rising to 4900 feet in the afternoon. Mostly cloudy, with a high near 37. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Thursday Night
Rain and snow likely. Snow level 5700 feet. Mostly cloudy, with a low around 30. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday
Rain likely. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.
Friday Night
Rain likely before 10pm, then rain and snow likely. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Saturday
Snow likely, possibly mixed with rain. Snow level 5000 feet. Mostly cloudy, with a high near 38. Chance of precipitation is 60%.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Sunday
A 50 percent chance of snow. Partly sunny, with a high near 37.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 27.
Monday
A 50 percent chance of snow. Partly sunny, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sumpter OR
 44.75°N 118.21°W (Elev. 4596 ft)
Last Update:
1:04 pm PST Dec 29, 2025
Forecast Valid:
6pm PST Dec 29, 2025-6pm PST Jan 5, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation