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

57°F

14°C

Humidity 71%
Wind Speed SSW 26 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 48°F (9°C)
Visibility NA
Last update 09 Dec 11:55 PM PST
Extended Forecast for

Mount Bachelor OR

  • Overnight

    Overnight: Rain likely, mainly before 1am.  Mostly cloudy, with a low around 37. Breezy, with a west wind around 25 mph, with gusts as high as 34 mph.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Rain Likely
    and Breezy

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before 7am.  Snow level 8300 feet lowering to 7700 feet in the afternoon . Partly sunny, with a high near 40. Breezy, with a west wind 18 to 26 mph, with gusts as high as 37 mph.

    High: 40 °F

    Chance Rain
    and Breezy
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after 10pm.  Mostly cloudy, with a low around 32. West wind around 18 mph, with gusts as high as 29 mph.

    Low: 32 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: A 20 percent chance of snow before 10am.  Snow level 7700 feet. Partly sunny, with a high near 42. West wind 8 to 15 mph.

    High: 42 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31. Southwest wind 6 to 9 mph.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after 10pm.  Partly cloudy, with a low around 30.

    Low: 30 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Rain likely, mainly before 1am. Mostly cloudy, with a low around 37. Breezy, with a west wind around 25 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A 30 percent chance of rain, mainly before 7am. Snow level 8300 feet lowering to 7700 feet in the afternoon . Partly sunny, with a high near 40. Breezy, with a west wind 18 to 26 mph, with gusts as high as 37 mph.
Wednesday Night
A 20 percent chance of snow after 10pm. Mostly cloudy, with a low around 32. West wind around 18 mph, with gusts as high as 29 mph.
Thursday
A 20 percent chance of snow before 10am. Snow level 7700 feet. Partly sunny, with a high near 42. West wind 8 to 15 mph.
Thursday Night
Partly cloudy, with a low around 31. Southwest wind 6 to 9 mph.
Friday
Mostly sunny, with a high near 44.
Friday Night
Partly cloudy, with a low around 31.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
A 20 percent chance of snow after 10pm. Partly cloudy, with a low around 30.
Sunday
A chance of snow. Partly sunny, with a high near 37.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 30.
Monday
Rain and snow. Mostly cloudy, with a high near 38.
Monday Night
Rain and snow. Mostly cloudy, with a low around 30. Breezy.
Tuesday
Snow likely. Mostly cloudy, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Bachelor OR
 43.99°N 121.68°W (Elev. 7638 ft)
12:25 am PST Dec 10, 2025
12am PST Dec 10, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

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