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 21 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 46°F (8°C)
Visibility NA
Last update 10 Dec 12:55 AM PST
Extended Forecast for

2 Miles NNE Mount Bachelor OR

  • Overnight

    Overnight: A 40 percent chance of rain.  Mostly cloudy, with a low around 39. West wind around 17 mph, with gusts as high as 29 mph.

    Low: 39 °F

    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before 10am.  Mostly cloudy, with a high near 43. West wind 13 to 16 mph, with gusts as high as 26 mph.

    High: 43 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 1am.  Snow level 7200 feet. Mostly cloudy, with a low around 33. West wind around 11 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain before 10am.  Partly sunny, with a high near 45. West wind 6 to 9 mph.

    High: 45 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33. Southwest wind 3 to 6 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 34.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 4am.  Snow level 7100 feet lowering to 6500 feet after midnight . Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
A 40 percent chance of rain. Mostly cloudy, with a low around 39. West wind around 17 mph, with gusts as high as 29 mph.
Wednesday
A 30 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 43. West wind 13 to 16 mph, with gusts as high as 26 mph.
Wednesday Night
A 20 percent chance of rain after 1am. Snow level 7200 feet. Mostly cloudy, with a low around 33. West wind around 11 mph, with gusts as high as 20 mph.
Thursday
A 20 percent chance of rain before 10am. Partly sunny, with a high near 45. West wind 6 to 9 mph.
Thursday Night
Partly cloudy, with a low around 33. Southwest wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 48.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
A 30 percent chance of rain after 4am. Snow level 7100 feet lowering to 6500 feet after midnight . Partly cloudy, with a low around 34.
Sunday
A chance of rain and snow before 7am, then a chance of snow between 7am and 10am, then a chance of rain and snow after 10am. Snow level rising to 6900 feet in the afternoon. Partly sunny, with a high near 43.
Sunday Night
Rain and snow likely. Snow level 7100 feet. Mostly cloudy, with a low around 34.
Monday
Rain, possibly mixed with snow. Mostly cloudy, with a high near 42.
Monday Night
Rain and snow. Snow level 7600 feet lowering to 6600 feet after midnight . Mostly cloudy, with a low around 32.
Tuesday
Snow. Mostly cloudy, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Mount Bachelor OR
 44.01°N 121.68°W (Elev. 6207 ft)
1:31 am PST Dec 10, 2025
1am PST Dec 10, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database