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

5 Miles WSW Mount Bachelor OR

  • Tonight

    Tonight: Rain, mainly before 1am.  Low around 41. West wind 8 to 10 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain, mainly before 10am.  Mostly cloudy, with a high near 47. West wind 8 to 11 mph, with gusts as high as 26 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance Rain
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 35. West wind around 7 mph.

    Low: 35 °F

    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain.  Partly sunny, with a high near 48. Southwest wind around 5 mph.

    High: 48 °F

    Slight Chance
    Rain

  • Thursday Night

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

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 51.

    High: 51 °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 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, mainly before 1am. Low around 41. West wind 8 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 50 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 47. West wind 8 to 11 mph, with gusts as high as 26 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 35. West wind around 7 mph.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 48. Southwest wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 33. Light south wind.
Friday
Mostly sunny, with a high near 51.
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 44.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 34.
Monday
Rain likely. Mostly cloudy, with a high near 45.
Monday Night
Rain, possibly mixed with snow. Mostly cloudy, with a low around 34.
Tuesday
Rain and snow likely. Snow level 5900 feet. Mostly cloudy, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Mount Bachelor OR
 43.97°N 121.79°W (Elev. 5000 ft)
8:31 pm PST Dec 9, 2025
8pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

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