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 NNW Mount Bachelor OR

  • Tonight

    Tonight: Rain, mainly before 1am. The rain could be heavy at times.  Low around 36. Breezy, with a west wind 23 to 26 mph, with gusts as high as 39 mph.  Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    Low: 36 °F

    Heavy Rain
    and Breezy

  • Wednesday

    Wednesday: Rain likely, mainly before 10am.  Partly sunny, with a high near 39. Breezy, with a west wind 21 to 28 mph, with gusts as high as 41 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 39 °F

    Breezy. Rain
    Likely then
    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am, then a chance of rain and snow.  Snow level 7200 feet. Mostly cloudy, with a low around 33. Southwest wind around 21 mph, with gusts as high as 32 mph.  Chance of precipitation is 30%.

    Low: 33 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 10am.  Partly sunny, with a high near 41. West wind 11 to 16 mph, with gusts as high as 21 mph.

    High: 41 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. Southwest wind 7 to 10 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain and snow between 10pm and 1am, then a slight chance of snow after 1am.  Snow level 6700 feet. Partly cloudy, with a low around 31. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Tonight
Rain, mainly before 1am. The rain could be heavy at times. Low around 36. Breezy, with a west wind 23 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Wednesday
Rain likely, mainly before 10am. Partly sunny, with a high near 39. Breezy, with a west wind 21 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A chance of rain before 1am, then a chance of rain and snow. Snow level 7200 feet. Mostly cloudy, with a low around 33. Southwest wind around 21 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.
Thursday
A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 41. West wind 11 to 16 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 32. Southwest wind 7 to 10 mph.
Friday
Mostly sunny, with a high near 44.
Friday Night
Partly cloudy, with a low around 31.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
A slight chance of rain and snow between 10pm and 1am, then a slight chance of snow after 1am. Snow level 6700 feet. Partly cloudy, with a low around 31. Chance of precipitation is 20%.
Sunday
A chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 37.
Sunday Night
Rain and snow likely. Snow level 6800 feet. Mostly cloudy, with a low around 30.
Monday
Rain and snow. Snow level 6900 feet rising to 7600 feet in the afternoon. Mostly cloudy, with a high near 37.
Monday Night
Rain and snow. Snow level 7300 feet lowering to 6600 feet after midnight . Mostly cloudy, with a low around 30. Breezy.
Tuesday
Snow likely. Mostly cloudy, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNW Mount Bachelor OR
 44.09°N 121.73°W (Elev. 6601 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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