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 SSW 13 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 46°F (8°C)
Visibility NA
Last update 09 Dec 04:55 PM PST
Extended Forecast for

7 Miles NNW Mount Bachelor OR

  • This Afternoon

    This Afternoon: Rain. The rain could be heavy at times.  High near 40. Breezy, with a west wind around 23 mph, with gusts as high as 39 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Heavy Rain
    and Breezy

  • Tonight

    Tonight: Rain, mainly before 1am. The rain could be heavy at times.  Low around 36. Breezy, with a west wind 24 to 26 mph, with gusts as high as 37 mph.  Chance of precipitation is 80%. 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.

    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

Detailed Forecast

This Afternoon
Rain. The rain could be heavy at times. High near 40. Breezy, with a west wind around 23 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain, mainly before 1am. The rain could be heavy at times. Low around 36. Breezy, with a west wind 24 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. 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.
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.
Sunday
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:
7 Miles NNW Mount Bachelor OR
 44.09°N 121.73°W (Elev. 6601 ft)
3:20 pm PST Dec 9, 2025
5pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database