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

A Couple of Fast Moving Storms Affecting Areas Along and East of the Rockies

A couple of storm systems will impact travel conditions through the first half of this weekend. Heavy snow from the mountains of the West will move into the upper Midwest and upper Great Lakes through tonight. Record warmth and Gulf moisture along and east of the Mississippi River will fuel severe thunderstorms, heavy rainfall, fog for the Tennessee Valley and deep South on Friday into Saturday. Read More >

Current conditions at

OR7 SB at Sumpter MP 25.07 (OD128)

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

NA

22°F

-6°C

Humidity 80%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility NA
Last update 08 Jan 03:32 AM PST
Extended Forecast for

Greenhorn OR

  • Overnight

    Overnight: A 40 percent chance of snow. Mostly cloudy, with a low around 17. West northwest wind around 14 mph, with gusts as high as 29 mph. Total nighttime snow accumulation of around 2 inches.

    Low: 17 °F

    Chance Snow

  • Thursday

    Thursday: Snow likely, mainly before 4pm. Mostly cloudy, with a high near 23. Blustery, with a west northwest wind 16 to 21 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 23 °F

    Snow Likely
    and Blustery

  • Thursday Night

    Thursday Night: A 40 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 20. West northwest wind 13 to 17 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Chance Snow

  • Friday

    Friday: Mostly sunny, with a high near 30. Southwest wind 6 to 8 mph.

    High: 30 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20. Southeast wind 3 to 6 mph.

    Low: 20 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of snow. Mostly cloudy, with a low around 17. West northwest wind around 14 mph, with gusts as high as 29 mph. Total nighttime snow accumulation of around 2 inches.
Thursday
Snow likely, mainly before 4pm. Mostly cloudy, with a high near 23. Blustery, with a west northwest wind 16 to 21 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Thursday Night
A 40 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 20. West northwest wind 13 to 17 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.
Friday
Mostly sunny, with a high near 30. Southwest wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around 20. Southeast wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 34.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
A 20 percent chance of snow. Partly sunny, with a high near 37.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
Sunny, with a high near 44.
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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:
1:04 am PST Jan 8, 2026
Forecast Valid:
3am PST Jan 8, 2026-6pm PST Jan 14, 2026
 
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Additional Resources

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Chance of Precipitation