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

Fire Weather Concerns West; Thunderstorms in the Upper Midwest

Dry and breezy conditions will enhance fire weather concerns across portions of the northern and central High Plains through Saturday, where fuels remain largely receptive. Severe thunderstorms are possible across portions of central Nebraska to the Upper Midwest this Friday afternoon into tonight. Read More >

Current conditions at

OR7 SB at Sumpter MP 25.07 (OD128)

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

NA

51°F

11°C

Humidity 51%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 10 Sep 11:06 PM PDT
Extended Forecast for

Greenhorn OR

  • Tonight

    Tonight: Partly cloudy, with a low around 47. West northwest wind around 7 mph.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 62. West wind 3 to 5 mph.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. Light and variable wind.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 63. Southwest wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 63 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 36. West wind 9 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 11am. Snow level 6700 feet rising to 7500 feet in the afternoon. Mostly cloudy, with a high near 46. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 46 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 47. West northwest wind around 7 mph.
Friday
Mostly sunny, with a high near 62. West wind 3 to 5 mph.
Friday Night
Partly cloudy, with a low around 46. Light and variable wind.
Saturday
A chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 63. Southwest wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Saturday Night
Showers and possibly a thunderstorm. Low around 36. West wind 9 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely, with thunderstorms also possible after 11am. Snow level 6700 feet rising to 7500 feet in the afternoon. Mostly cloudy, with a high near 46. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 34.
Monday
Sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Sunny, with a high near 58.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greenhorn OR
 44.72°N 118.51°W (Elev. 6316 ft)
Last Update:
11:29 am PDT Sep 10, 2026
Forecast Valid:
11pm PDT Sep 10, 2026-6pm PDT Sep 17, 2026
 
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Additional Resources

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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