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 9 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 46°F (8°C)
Visibility NA
Last update 09 Dec 06:55 PM PST
Extended Forecast for

7 Miles NE Mount Bachelor OR

  • Tonight

    Tonight: Rain likely, mainly before 1am.  Mostly cloudy, with a low around 39. West wind 17 to 20 mph, with gusts as high as 28 mph.  Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 39 °F

    Rain Likely

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly before 10am.  Mostly cloudy, with a high near 44. West wind 16 to 18 mph, with gusts as high as 34 mph.

    High: 44 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 10pm, mixing with snow after 1am.  Snow level 7100 feet. Mostly cloudy, with a low around 35. West wind around 16 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Thursday

    Thursday: A 20 percent chance of rain before 10am.  Partly sunny, with a high near 45. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 45 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34. Southwest wind 5 to 7 mph.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 47.

    High: 47 °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 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 likely, mainly before 1am. Mostly cloudy, with a low around 39. West wind 17 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
A 40 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 44. West wind 16 to 18 mph, with gusts as high as 34 mph.
Wednesday Night
A slight chance of rain after 10pm, mixing with snow after 1am. Snow level 7100 feet. Mostly cloudy, with a low around 35. West wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday
A 20 percent chance of rain before 10am. Partly sunny, with a high near 45. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 34. Southwest wind 5 to 7 mph.
Friday
Mostly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 49.
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 41.
Sunday Night
A chance of rain and snow. Snow level 6800 feet. Mostly cloudy, with a low around 33.
Monday
Rain and snow. Snow level 7000 feet rising to 7600 feet in the afternoon. Partly sunny, with a high near 42.
Monday Night
Rain and snow. Snow level 7300 feet lowering to 6600 feet after midnight . Mostly cloudy, with a low around 32.
Tuesday
Snow likely. Partly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NE Mount Bachelor OR
 44.06°N 121.61°W (Elev. 6467 ft)
3:20 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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