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

55°F

13°C

Humidity 71%
Wind Speed SSW 9 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 46°F (8°C)
Visibility NA
Last update 09 Dec 06:55 PM PST
Extended Forecast for

Mount Bachelor OR

  • Tonight

    Tonight: Rain, mainly before 1am.  Low around 38. West wind around 17 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain, mainly before 10am.  Snow level 8300 feet lowering to 7700 feet in the afternoon . Mostly cloudy, with a high near 40. West wind 14 to 18 mph, with gusts as high as 30 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 40 °F

    Chance Rain
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow before 1am, then a slight chance of snow.  Snow level 7100 feet. Mostly cloudy, with a low around 34. West wind around 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Rain/Snow

  • Thursday

    Thursday: A slight chance of rain and snow before 1pm, then a slight chance of rain.  Snow level 7700 feet. Partly sunny, with a high near 40. West wind 7 to 11 mph.  Chance of precipitation is 20%.

    High: 40 °F

    Slight Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33. Southwest wind 5 to 7 mph.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 43.

    High: 43 °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 44.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after 10pm.  Partly cloudy, with a low around 32.

    Low: 32 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
Rain, mainly before 1am. Low around 38. West wind around 17 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A 50 percent chance of rain, mainly before 10am. Snow level 8300 feet lowering to 7700 feet in the afternoon . Mostly cloudy, with a high near 40. West wind 14 to 18 mph, with gusts as high as 30 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A slight chance of rain and snow before 1am, then a slight chance of snow. Snow level 7100 feet. Mostly cloudy, with a low around 34. West wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Thursday
A slight chance of rain and snow before 1pm, then a slight chance of rain. Snow level 7700 feet. Partly sunny, with a high near 40. West wind 7 to 11 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 33. Southwest wind 5 to 7 mph.
Friday
Mostly sunny, with a high near 43.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
A 20 percent chance of snow after 10pm. Partly cloudy, with a low around 32.
Sunday
A chance of snow. Partly sunny, with a high near 37.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 33.
Monday
Rain and snow. Snow level rising to 7600 feet in the afternoon. Mostly cloudy, with a high near 37.
Monday Night
Rain and snow. Mostly cloudy, with a low around 32.
Tuesday
Snow likely. Mostly cloudy, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Bachelor OR
 43.98°N 121.71°W (Elev. 7064 ft)
3:20 pm PST Dec 9, 2025
8pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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