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

OR7 SB at Sumpter MP 25.07 (OD128)

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

NA

35°F

2°C

Humidity 92%
Wind Speed NE 0 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 31 Mar 11:55 PM PDT
Extended Forecast for

Greenhorn OR

  • Overnight

    Overnight: A slight chance of rain and snow showers between 1am and 4am, then a chance of snow showers. Patchy fog after 1am. Snow level 6100 feet. Otherwise, mostly cloudy, with a low around 32. Light south wind. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance
    Rain/Snow and
    Patchy Fog

  • Wednesday

    Wednesday: Snow showers before noon, then rain and snow showers. Some thunder is also possible. Snow level rising to 6500 feet in the afternoon. High near 39. South southwest wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 39 °F

    Snow Showers
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow showers, mainly before 1am. Some thunder is also possible. Low around 24. West wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    Low: 24 °F

    Snow Showers
    then Chance
    Snow Showers

  • Thursday

    Thursday: Snow showers. Some thunder is also possible. High near 31. West northwest wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    High: 31 °F

    Snow Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers before 11pm. Partly cloudy, with a low around 23. West northwest wind 7 to 15 mph, with gusts as high as 28 mph.

    Low: 23 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 29.

    Low: 29 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 34.

    Low: 34 °F

    Clear

Detailed Forecast

Overnight
A slight chance of rain and snow showers between 1am and 4am, then a chance of snow showers. Patchy fog after 1am. Snow level 6100 feet. Otherwise, mostly cloudy, with a low around 32. Light south wind. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Snow showers before noon, then rain and snow showers. Some thunder is also possible. Snow level rising to 6500 feet in the afternoon. High near 39. South southwest wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow showers, mainly before 1am. Some thunder is also possible. Low around 24. West wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Thursday
Snow showers. Some thunder is also possible. High near 31. West northwest wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Thursday Night
A 20 percent chance of snow showers before 11pm. Partly cloudy, with a low around 23. West northwest wind 7 to 15 mph, with gusts as high as 28 mph.
Friday
Sunny, with a high near 45.
Friday Night
Clear, with a low around 29.
Saturday
Sunny, with a high near 53.
Saturday Night
Clear, with a low around 34.
Sunday
Sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greenhorn OR
 44.7°N 118.5°W (Elev. 6024 ft)
Last Update:
11:29 pm PDT Mar 31, 2026
Forecast Valid:
12am PDT Apr 1, 2026-6pm PDT Apr 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation