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

57°F

14°C

Humidity 71%
Wind Speed SSW 26 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 48°F (9°C)
Visibility NA
Last update 09 Dec 11:55 PM PST
Extended Forecast for

11 Miles NNE Mount Bachelor OR

  • Overnight

    Overnight: Rain likely, mainly before 1am.  Mostly cloudy, with a steady temperature around 46. West wind around 17 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain Likely

  • Wednesday

    Wednesday: A 30 percent chance of rain before 10am.  Partly sunny, with a high near 47. Southwest wind around 17 mph, with gusts as high as 36 mph.

    High: 47 °F

    Chance Rain
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 10pm.  Snow level 7000 feet. Mostly cloudy, with a low around 39. Southwest wind around 14 mph, with gusts as high as 24 mph.

    Low: 39 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 20 percent chance of rain.  Partly sunny, with a high near 48. Southwest wind 7 to 10 mph.

    High: 48 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37. Southwest wind 3 to 6 mph.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after 10pm, mixing with snow after 1am.  Snow level 6700 feet. Partly cloudy, with a low around 37. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

Detailed Forecast

Overnight
Rain likely, mainly before 1am. Mostly cloudy, with a steady temperature around 46. West wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 30 percent chance of rain before 10am. Partly sunny, with a high near 47. Southwest wind around 17 mph, with gusts as high as 36 mph.
Wednesday Night
A 20 percent chance of rain after 10pm. Snow level 7000 feet. Mostly cloudy, with a low around 39. Southwest wind around 14 mph, with gusts as high as 24 mph.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 48. Southwest wind 7 to 10 mph.
Thursday Night
Partly cloudy, with a low around 37. Southwest wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
A slight chance of rain after 10pm, mixing with snow after 1am. Snow level 6700 feet. Partly cloudy, with a low around 37. Chance of precipitation is 20%.
Sunday
A chance of rain and snow. Snow level 6500 feet. Partly sunny, with a high near 44.
Sunday Night
A chance of rain and snow. Snow level 6800 feet. Mostly cloudy, with a low around 37.
Monday
Rain and snow. Snow level 7000 feet rising to 7600 feet in the afternoon. Partly sunny, with a high near 44.
Monday Night
Rain and snow. Snow level 7300 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 37.
Tuesday
Snow likely. Partly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNE Mount Bachelor OR
 44.13°N 121.62°W (Elev. 5997 ft)
12:25 am PST Dec 10, 2025
12am PST Dec 10, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

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