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

3 Miles NE Mount Bachelor OR

  • Tonight

    Tonight: Rain, mainly before 1am.  Low around 39. West wind 14 to 17 mph, with gusts as high as 32 mph.  Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 39 °F

    Rain then
    Rain Likely

  • 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 13 to 18 mph, with gusts as high as 28 mph.

    High: 44 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow before 1am, then a slight chance of snow between 1am and 4am, then a slight chance of rain and snow after 4am.  Snow level 7100 feet. Mostly cloudy, with a low around 34. West wind around 13 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 10am.  Snow level 7700 feet. Partly sunny, with a high near 45. West wind 7 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • 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 48.

    High: 48 °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 49.

    High: 49 °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 39. West wind 14 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. 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 13 to 18 mph, with gusts as high as 28 mph.
Wednesday Night
A slight chance of rain and snow before 1am, then a slight chance of snow between 1am and 4am, then a slight chance of rain and snow after 4am. Snow level 7100 feet. Mostly cloudy, with a low around 34. West wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Thursday
A slight chance of rain and snow before 10am. Snow level 7700 feet. Partly sunny, with a high near 45. West wind 7 to 10 mph, with gusts as high as 18 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 48.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 49.
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 42.
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 42.
Monday Night
Rain and snow. Mostly cloudy, with a low around 32.
Tuesday
Snow likely. Mostly cloudy, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Mount Bachelor OR
 43.99°N 121.65°W (Elev. 7034 ft)
3:20 pm PST Dec 9, 2025
6pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

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Hourly Weather Forecast

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