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 76%
Wind Speed SSW 13 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 48°F (9°C)
Visibility NA
Last update 09 Dec 08:55 PM PST
Extended Forecast for

6 Miles SW Mount Bachelor OR

  • Tonight

    Tonight: Rain likely, mainly before 1am.  Mostly cloudy, with a low around 41. Southwest wind around 10 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Rain Likely

  • Wednesday

    Wednesday: A 50 percent chance of rain, mainly before 10am.  Partly sunny, with a high near 50. West wind around 10 mph, with gusts as high as 25 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance Rain
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain.  Partly cloudy, with a low around 35. West wind around 7 mph.

    Low: 35 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 20 percent chance of rain before 10am.  Partly sunny, with a high near 49. West wind around 6 mph.

    High: 49 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Thursday Night

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

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 52.

    High: 52 °F

    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 52.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 10pm.  Partly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Rain likely, mainly before 1am. Mostly cloudy, with a low around 41. Southwest wind around 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 50 percent chance of rain, mainly before 10am. Partly sunny, with a high near 50. West wind around 10 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 35. West wind around 7 mph.
Thursday
A 20 percent chance of rain before 10am. Partly sunny, with a high near 49. West wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 33. Light south wind.
Friday
Sunny, with a high near 52.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
A 20 percent chance of rain after 10pm. Partly cloudy, with a low around 34.
Sunday
A chance of rain. Partly sunny, with a high near 45.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 35.
Monday
Rain. Mostly cloudy, with a high near 45.
Monday Night
Rain. Mostly cloudy, with a low around 35.
Tuesday
Rain and snow likely. Mostly cloudy, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Mount Bachelor OR
 43.91°N 121.78°W (Elev. 4816 ft)
8:31 pm PST Dec 9, 2025
9pm 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