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

Atmospheric River to Impact the Northwest; Windy Conditions in the Northeast

A strong atmospheric river moving into northern California later today will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through Wednesday. Gusty winds and isolated showers are expected today in the Northeast U.S. behind a cold front. Wind Advisories have been issued. Read More >

Current conditions at

OR7 SB at Sumpter MP 25.07 (OD128)

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

NA

39°F

4°C

Humidity 79%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 04 Nov 04:53 AM PST
Extended Forecast for

Greenhorn OR

  • Overnight

    Overnight: A 20 percent chance of showers. Snow level 6900 feet. Mostly cloudy, with a low around 34. West wind around 9 mph, with gusts as high as 21 mph.

    Low: 34 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of rain showers before 7am, then a slight chance of rain and snow showers between 7am and 10am, then rain showers after 10am. Snow level 6500 feet rising to 8000 feet in the afternoon. High near 42. West southwest wind around 7 mph becoming south in the afternoon. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 42 °F

    Chance
    Rain/Snow
    then Showers

  • Tuesday Night

    Tuesday Night: Showers before 10pm, then showers likely after 4am. Low around 39. South southeast wind 14 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Showers

  • Wednesday

    Wednesday: Showers. Snow level 7400 feet. High near 42. South southwest wind 11 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain and snow showers likely before 4am, then a chance of snow showers. Mostly cloudy, with a low around 33. West southwest wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of snow showers before 10am, then rain and snow showers likely. Mostly cloudy, with a high near 40. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Rain showers before 4am, then rain and snow showers. Snow level 7100 feet. Low around 34. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 34 °F

    Showers then
    Rain/Snow

  • Friday

    Friday: Rain and snow showers, becoming all snow after 10am. High near 36. Chance of precipitation is 80%.

    High: 36 °F

    Rain/Snow
    then Snow
    Showers
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before 10pm. Partly cloudy, with a low around 27.

    Low: 27 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Snow level 6900 feet. Mostly cloudy, with a low around 34. West wind around 9 mph, with gusts as high as 21 mph.
Tuesday
A slight chance of rain showers before 7am, then a slight chance of rain and snow showers between 7am and 10am, then rain showers after 10am. Snow level 6500 feet rising to 8000 feet in the afternoon. High near 42. West southwest wind around 7 mph becoming south in the afternoon. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday Night
Showers before 10pm, then showers likely after 4am. Low around 39. South southeast wind 14 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers. Snow level 7400 feet. High near 42. South southwest wind 11 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain and snow showers likely before 4am, then a chance of snow showers. Mostly cloudy, with a low around 33. West southwest wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow showers before 10am, then rain and snow showers likely. Mostly cloudy, with a high near 40. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
Rain showers before 4am, then rain and snow showers. Snow level 7100 feet. Low around 34. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday
Rain and snow showers, becoming all snow after 10am. High near 36. Chance of precipitation is 80%.
Friday Night
A 20 percent chance of snow showers before 10pm. Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
A 10 percent chance of showers. Partly sunny, with a high near 45.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greenhorn OR
 44.72°N 118.51°W (Elev. 6316 ft)
Last Update:
1:04 am PST Nov 4, 2025
Forecast Valid:
5am PST Nov 4, 2025-6pm PST Nov 10, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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