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

54°F

12°C

Humidity 76%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 46°F (8°C)
Visibility NA
Last update 09 Dec 07:55 PM PST
Extended Forecast for

6 Miles NW Mount Bachelor OR

  • Tonight

    Tonight: Rain, mainly before 1am.  Low around 39. West wind around 16 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 10am.  Mostly cloudy, with a high near 42. West wind 11 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly after 7pm.  Snow level 7100 feet. Mostly cloudy, with a low around 34. West wind around 11 mph, with gusts as high as 21 mph.

    Low: 34 °F

    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain.  Partly sunny, with a high near 43. West wind 6 to 8 mph.

    High: 43 °F

    Slight Chance
    Rain

  • 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 46.

    High: 46 °F

    Mostly 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 47.

    High: 47 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain and snow after 10pm.  Snow level 6700 feet. Partly cloudy, with a low around 32. Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Tonight
Rain, mainly before 1am. Low around 39. West wind around 16 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 42. West wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 30 percent chance of rain, mainly after 7pm. Snow level 7100 feet. Mostly cloudy, with a low around 34. West wind around 11 mph, with gusts as high as 21 mph.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 43. West wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 33. Southwest wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 46.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
A slight chance of rain and snow after 10pm. Snow level 6700 feet. Partly cloudy, with a low around 32. Chance of precipitation is 20%.
Sunday
A chance of snow before 1pm, then a chance of rain and snow. Snow level rising to 6700 feet in the afternoon. Partly sunny, with a high near 39.
Sunday Night
Rain and snow likely. Snow level 6800 feet. Mostly cloudy, with a low around 32.
Monday
Rain and snow. Snow level 6900 feet rising to 7600 feet in the afternoon. Mostly cloudy, with a high near 40.
Monday Night
Rain and snow. Snow level 7300 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 32.
Tuesday
Snow likely. Mostly cloudy, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Mount Bachelor OR
 44.04°N 121.75°W (Elev. 6404 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

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