Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

SISTERS (K6K5)

Lat: 44.30445°NLon: 121.53909°WElev: 3168.0ft.

NA

54°F

12°C

Humidity 76%
Wind Speed SSW 13 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 46°F (8°C)
Visibility NA
Last update 09 Dec 04:55 PM PST
Extended Forecast for

Mount Bachelor OR

  • This Afternoon

    This Afternoon: Rain.  High near 42. West wind around 15 mph, with gusts as high as 31 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 1am.  Low around 39. West wind around 18 mph, with gusts as high as 26 mph.  Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

    Low: 39 °F

    Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly before 10am.  Snow level 8300 feet lowering to 7700 feet in the afternoon . Mostly cloudy, with a high near 44. West wind 14 to 20 mph, with gusts as high as 30 mph.

    High: 44 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of snow before 7pm, then a slight chance of rain and snow.  Snow level 7100 feet. Mostly cloudy, with a low around 34. West wind around 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Rain/Snow

  • Thursday

    Thursday: A 20 percent chance of rain before 10am.  Snow level 7700 feet. Partly sunny, with a high near 44. West wind 7 to 11 mph.

    High: 44 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain. High near 42. West wind around 15 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly before 1am. Low around 39. West wind around 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Wednesday
A 40 percent chance of rain, mainly before 10am. Snow level 8300 feet lowering to 7700 feet in the afternoon . Mostly cloudy, with a high near 44. West wind 14 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
A slight chance of snow before 7pm, then a slight chance of rain and snow. Snow level 7100 feet. Mostly cloudy, with a low around 34. West wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Thursday
A 20 percent chance of rain before 10am. Snow level 7700 feet. Partly sunny, with a high near 44. West wind 7 to 11 mph.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
A slight chance of snow after 10pm. Partly cloudy, with a low around 32.
Sunday
A chance of rain and snow. Partly sunny, with a high near 40.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 33.
Monday
Rain and snow. Snow level 6900 feet rising to 7600 feet in the afternoon. Mostly cloudy, with a high near 40.
Monday Night
Rain and snow. Snow level 7400 feet lowering to 6900 feet after midnight . Mostly cloudy, with a low around 32.
Tuesday
Snow likely. Mostly cloudy, with a high near 37.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Mount Bachelor OR
 43.97°N 121.67°W (Elev. 6867 ft)
3:20 pm PST Dec 9, 2025
5pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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