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 76%
Wind Speed SSW 13 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 48°F (9°C)
Visibility NA
Last update 09 Dec 08:55 PM PST
Extended Forecast for

9 Miles NNE Mount Bachelor OR

  • Tonight

    Tonight: Rain, mainly before 1am.  Low around 41. Breezy, with a west wind 20 to 23 mph, with gusts as high as 32 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly before 10am.  Partly sunny, with a high near 43. Breezy, with a west wind 21 to 23 mph, with gusts as high as 39 mph.

    High: 43 °F

    Chance Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 10pm, then a slight chance of rain and snow.  Snow level 7100 feet. Mostly cloudy, with a low around 36. Southwest wind around 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 20%.

    Low: 36 °F

    Slight Chance
    Rain/Snow

  • Thursday

    Thursday: A 20 percent chance of rain.  Snow level 7800 feet. Partly sunny, with a high near 44. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 44 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35. Southwest wind 6 to 8 mph.

    Low: 35 °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 35.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 47.

    High: 47 °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 34. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Tonight
Rain, mainly before 1am. Low around 41. Breezy, with a west wind 20 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A 40 percent chance of rain, mainly before 10am. Partly sunny, with a high near 43. Breezy, with a west wind 21 to 23 mph, with gusts as high as 39 mph.
Wednesday Night
A slight chance of rain before 10pm, then a slight chance of rain and snow. Snow level 7100 feet. Mostly cloudy, with a low around 36. Southwest wind around 18 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Thursday
A 20 percent chance of rain. Snow level 7800 feet. Partly sunny, with a high near 44. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 35. Southwest wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 47.
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 34. 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 40.
Sunday Night
A chance of rain and snow. Snow level 6800 feet. Mostly cloudy, with a low around 35.
Monday
Rain and snow. Snow level 7000 feet rising to 7600 feet in the afternoon. Partly sunny, with a high near 40.
Monday Night
Rain and snow. Snow level 7300 feet lowering to 6600 feet after midnight . Mostly cloudy, with a low around 34.
Tuesday
Snow likely. Partly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNE Mount Bachelor OR
 44.11°N 121.62°W (Elev. 6594 ft)
9:15 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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