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 NW Mount Bachelor OR

  • Tonight

    Tonight: Rain, mainly before 1am.  Low around 40. West wind 11 to 14 mph, with gusts as high as 18 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 10am.  Mostly cloudy, with a high near 44. West wind 10 to 13 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly after 7pm.  Mostly cloudy, with a low around 35. West wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 10am.  Partly sunny, with a high near 45. Southwest wind around 7 mph.

    High: 45 °F

    Chance Rain

  • Thursday Night

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

    Low: 34 °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 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 20 percent chance of rain after 10pm.  Snow level 6700 feet. Partly cloudy, with a low around 33.

    Low: 33 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Rain, mainly before 1am. Low around 40. West wind 11 to 14 mph, with gusts as high as 18 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 44. West wind 10 to 13 mph, with gusts as high as 26 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. Mostly cloudy, with a low around 35. West wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 45. Southwest wind around 7 mph.
Thursday Night
Partly cloudy, with a low around 34. Southwest wind 3 to 6 mph.
Friday
Mostly 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 20 percent chance of rain after 10pm. Snow level 6700 feet. Partly cloudy, with a low around 33.
Sunday
A chance of rain and snow before 1pm, then a chance of rain. Snow level 6200 feet rising to 6700 feet in the afternoon. Partly sunny, with a high near 41.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 33.
Monday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 42.
Monday Night
Rain, possibly mixed with snow. Snow level 7300 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 33.
Tuesday
Rain and snow likely. Snow level 5800 feet. Mostly cloudy, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Mount Bachelor OR
 44.04°N 121.78°W (Elev. 5738 ft)
8:31 pm PST Dec 9, 2025
9pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

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