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 N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 46°F (8°C)
Visibility NA
Last update 09 Dec 07:55 PM PST
Extended Forecast for

4 Miles NNW Sisters OR

  • Tonight

    Tonight: Rain likely, mainly before 1am.  Mostly cloudy, with a steady temperature around 47. Southwest wind 10 to 13 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Rain Likely

  • Wednesday

    Wednesday: A 40 percent chance of rain before 10am.  Partly sunny, with a high near 55. West wind 11 to 15 mph, with gusts as high as 31 mph.

    High: 55 °F

    Chance Rain
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain.  Mostly cloudy, with a low around 38. West wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 38 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 20 percent chance of rain.  Partly sunny, with a high near 56. West wind around 7 mph.

    High: 56 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 58.

    High: 58 °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 57.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 10pm.  Partly cloudy, with a low around 33.

    Low: 33 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Rain likely, mainly before 1am. Mostly cloudy, with a steady temperature around 47. Southwest wind 10 to 13 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 40 percent chance of rain before 10am. Partly sunny, with a high near 55. West wind 11 to 15 mph, with gusts as high as 31 mph.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 38. West wind 9 to 11 mph, with gusts as high as 21 mph.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 56. West wind around 7 mph.
Thursday Night
Partly cloudy, with a low around 33. Calm wind.
Friday
Mostly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
A 20 percent chance of rain after 10pm. Partly cloudy, with a low around 33.
Sunday
A chance of rain. Partly sunny, with a high near 51.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 33.
Monday
Rain. Partly sunny, with a high near 53.
Monday Night
Rain. Mostly cloudy, with a low around 35.
Tuesday
Rain likely. Partly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Sisters OR
 44.35°N 121.59°W (Elev. 3287 ft)
8:31 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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Hourly Weather Forecast

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