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 71%
Wind Speed SW 10 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 46°F (8°C)
Visibility NA
Last update 09 Dec 05:55 PM PST
Extended Forecast for

3 Miles WNW Camp Sherman OR

  • Tonight

    Tonight: Rain, mainly before 1am.  Low around 44. Southwest wind 10 to 14 mph, with gusts as high as 33 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 10am.  Partly sunny, with a high near 55. Southwest wind 13 to 15 mph, with gusts as high as 31 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 39. South wind around 11 mph, with gusts as high as 21 mph.

    Low: 39 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain, mainly before 4pm.  Partly sunny, with a high near 56. West wind around 8 mph.

    High: 56 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 10pm.  Partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Slight Chance
    Rain then
    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 32.

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 10pm.  Partly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

Detailed Forecast

Tonight
Rain, mainly before 1am. Low around 44. Southwest wind 10 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely, mainly before 10am. Partly sunny, with a high near 55. Southwest wind 13 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 39. South wind around 11 mph, with gusts as high as 21 mph.
Thursday
A 40 percent chance of rain, mainly before 4pm. Partly sunny, with a high near 56. West wind around 8 mph.
Thursday Night
A 20 percent chance of rain before 10pm. 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 32.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
A 30 percent chance of rain after 10pm. Partly cloudy, with a low around 33.
Sunday
A chance of rain. Partly sunny, with a high near 53.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 33.
Monday
Rain likely. Mostly cloudy, with a high near 53.
Monday Night
Rain. Mostly cloudy, with a low around 35.
Tuesday
Rain likely. Partly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Camp Sherman OR
 44.49°N 121.69°W (Elev. 3100 ft)
3:20 pm PST Dec 9, 2025
6pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database