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 SW 10 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 46°F (8°C)
Visibility NA
Last update 09 Dec 05:55 PM PST
Extended Forecast for

8 Miles WSW Mount Bachelor OR

  • Tonight

    Tonight: Rain, mainly before 1am.  Low around 40. West wind around 16 mph, with gusts as high as 31 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain, mainly before 10am.  Mostly cloudy, with a high near 45. West wind 11 to 14 mph, with gusts as high as 28 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °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 10 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 20 percent chance of rain.  Partly sunny, with a high near 46. Southwest wind 7 to 9 mph.

    High: 46 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34. South wind around 6 mph.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 48.

    High: 48 °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 49.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after 10pm, mixing with snow after 1am.  Snow level 7000 feet lowering to 6500 feet after midnight . Partly cloudy, with a low around 34. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

Detailed Forecast

Tonight
Rain, mainly before 1am. Low around 40. West wind around 16 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A 50 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 45. West wind 11 to 14 mph, with gusts as high as 28 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 10 mph, with gusts as high as 20 mph.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 46. Southwest wind 7 to 9 mph.
Thursday Night
Partly cloudy, with a low around 34. South wind around 6 mph.
Friday
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 slight chance of rain after 10pm, mixing with snow after 1am. Snow level 7000 feet lowering to 6500 feet after midnight . Partly cloudy, with a low around 34. Chance of precipitation is 20%.
Sunday
A chance of rain and snow before 1pm, then a chance of rain. Snow level 6100 feet rising to 6700 feet in the afternoon. Partly sunny, with a high near 41.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 34.
Monday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 42.
Monday Night
Rain, possibly mixed with snow. Snow level 7400 feet lowering to 6600 feet after midnight . Mostly cloudy, with a low around 34.
Tuesday
Rain and snow likely. Snow level 5900 feet. Mostly cloudy, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WSW Mount Bachelor OR
 43.92°N 121.81°W (Elev. 5669 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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