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

8 Miles WNW Mount Bachelor OR

  • Tonight

    Tonight: Rain, mainly before 1am.  Steady temperature around 42. West wind 13 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain

  • Wednesday

    Wednesday: A chance of rain before 1pm, then a slight chance of rain after 4pm.  Partly sunny, with a high near 43. West wind 10 to 13 mph, with gusts as high as 26 mph.  Chance of precipitation is 30%.

    High: 43 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 7pm, then a chance of rain after 10pm.  Snow level 7100 feet. Mostly cloudy, with a low around 34. West wind around 9 mph.  Chance of precipitation is 30%.

    Low: 34 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 10am.  Partly sunny, with a high near 44. Southwest wind around 7 mph.

    High: 44 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34. South wind around 6 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 48.

    High: 48 °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 33. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

Detailed Forecast

Tonight
Rain, mainly before 1am. Steady temperature around 42. West wind 13 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A chance of rain before 1pm, then a slight chance of rain after 4pm. Partly sunny, with a high near 43. West wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Wednesday Night
A slight chance of rain before 7pm, then a chance of rain after 10pm. Snow level 7100 feet. Mostly cloudy, with a low around 34. West wind around 9 mph. Chance of precipitation is 30%.
Thursday
A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 44. Southwest wind around 7 mph.
Thursday Night
Partly cloudy, with a low around 34. South wind around 6 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 48.
Saturday Night
A slight chance of rain after 10pm, mixing with snow after 1am. Snow level 6700 feet. Partly cloudy, with a low around 33. Chance of precipitation is 20%.
Sunday
A chance of rain and snow. Snow level 6200 feet rising to 6700 feet in the afternoon. Mostly cloudy, with a high near 40.
Sunday Night
Rain and snow likely. Snow level 6800 feet. Mostly cloudy, with a low around 33.
Monday
Rain and snow likely. Snow level 7000 feet rising to 7600 feet in the afternoon. Mostly cloudy, with a high near 40.
Monday Night
Rain and snow. Snow level 7300 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 33.
Tuesday
Rain and snow likely. Mostly cloudy, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WNW Mount Bachelor OR
 44.03°N 121.81°W (Elev. 5997 ft)
9:47 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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