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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

OR7 SB at Sumpter MP 25.07 (OD128)

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

NA

45°F

7°C

Humidity 66%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 15 Nov 05:04 PM PST
Extended Forecast for

8 Miles NE Sumpter OR

  • Tonight

    Tonight: A slight chance of rain and snow between 10pm and 1am, then a slight chance of rain after 1am. Snow level 8300 feet rising to 9400 feet after midnight. Increasing clouds, with a low around 30. Light southwest wind becoming south southwest 5 to 9 mph in the evening. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Rain/Snow

  • Sunday

    Sunday: Rain before 1pm, then rain and snow. Snow level 9000 feet. High near 38. South wind 5 to 9 mph becoming light southwest in the afternoon. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain then
    Rain/Snow

  • Sunday Night

    Sunday Night: Snow. Low around 28. West northwest wind 3 to 5 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    Low: 28 °F

    Snow

  • Monday

    Monday: Snow. High near 34. West northwest wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 34 °F

    Snow

  • Monday Night

    Monday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 23. West northwest wind 7 to 10 mph. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Chance Snow

  • Tuesday

    Tuesday: A 30 percent chance of snow, mainly before 4pm. Mostly cloudy, with a high near 28. New snow accumulation of less than a half inch possible.

    High: 28 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow before 10pm. Partly cloudy, with a low around 16.

    Low: 16 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Wednesday

    Wednesday: A 10 percent chance of snow after 4pm. Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Chance Snow

Detailed Forecast

Tonight
A slight chance of rain and snow between 10pm and 1am, then a slight chance of rain after 1am. Snow level 8300 feet rising to 9400 feet after midnight. Increasing clouds, with a low around 30. Light southwest wind becoming south southwest 5 to 9 mph in the evening. Chance of precipitation is 20%.
Sunday
Rain before 1pm, then rain and snow. Snow level 9000 feet. High near 38. South wind 5 to 9 mph becoming light southwest in the afternoon. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow. Low around 28. West northwest wind 3 to 5 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Monday
Snow. High near 34. West northwest wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Monday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 23. West northwest wind 7 to 10 mph. New snow accumulation of less than one inch possible.
Tuesday
A 30 percent chance of snow, mainly before 4pm. Mostly cloudy, with a high near 28. New snow accumulation of less than a half inch possible.
Tuesday Night
A 20 percent chance of snow before 10pm. Partly cloudy, with a low around 16.
Wednesday
A 10 percent chance of snow after 4pm. Mostly sunny, with a high near 28.
Wednesday Night
A 30 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 18.
Thursday
A 50 percent chance of snow. Partly sunny, with a high near 26.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 19.
Friday
A 20 percent chance of snow. Patchy fog. Otherwise, mostly sunny, with a high near 30.
Friday Night
A 20 percent chance of snow. Patchy fog. Otherwise, mostly cloudy, with a low around 19.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NE Sumpter OR
 44.81°N 118.07°W (Elev. 8192 ft)
Last Update:
1:04 pm PST Nov 15, 2025
Forecast Valid:
5pm PST Nov 15, 2025-6pm PST Nov 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation