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 which has lead to areas of urban and river flooding along with 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 81%
Wind Speed W 8 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 48°F (9°C)
Visibility NA
Last update 09 Dec 03:55 PM PST
Extended Forecast for

Mount Bachelor OR

  • This Afternoon

    This Afternoon: Rain.  High near 39. West wind around 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 39 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 1am.  Low around 37. Breezy, with a west wind 22 to 25 mph, with gusts as high as 34 mph.  Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

    Low: 37 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: A chance of rain before 10am, then a slight chance of rain and snow.  Snow level 8300 feet lowering to 7700 feet in the afternoon . Mostly cloudy, with a high near 40. Breezy, with a west wind 18 to 26 mph, with gusts as high as 37 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 40 °F

    Chance
    Rain/Snow and
    Breezy then
    Slight Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow.  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.

    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

Detailed Forecast

This Afternoon
Rain. High near 39. West wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain, mainly before 1am. Low around 37. Breezy, with a west wind 22 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Wednesday
A chance of rain before 10am, then a slight chance of rain and snow. Snow level 8300 feet lowering to 7700 feet in the afternoon . Mostly cloudy, with a high near 40. Breezy, with a west wind 18 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday Night
A 20 percent chance of snow. 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.
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 slight 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)
3:20 pm PST Dec 9, 2025
4pm 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

National Digital Forecast Database