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 19 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 48°F (9°C)
Visibility NA
Last update 09 Dec 09:55 PM PST
Extended Forecast for

11 Miles ESE Camp Sherman OR

  • Tonight

    Tonight: A 40 percent chance of rain, mainly before 4am.  Mostly cloudy, with a low around 48. South wind around 15 mph, with gusts as high as 21 mph.

    Low: 48 °F

    Chance Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain before 10am.  Partly sunny, with a high near 59. Southwest wind 14 to 17 mph, with gusts as high as 34 mph.

    High: 59 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 10 percent chance of rain after 4am.  Mostly cloudy, with a low around 42. Southwest wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain before 10am.  Partly sunny, with a high near 58. Southwest wind around 8 mph.

    High: 58 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34. Light southwest wind.

    Low: 34 °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 35.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 48. South wind around 15 mph, with gusts as high as 21 mph.
Wednesday
A 20 percent chance of rain before 10am. Partly sunny, with a high near 59. Southwest wind 14 to 17 mph, with gusts as high as 34 mph.
Wednesday Night
A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 42. Southwest wind 11 to 13 mph, with gusts as high as 22 mph.
Thursday
A 20 percent chance of rain before 10am. Partly sunny, with a high near 58. Southwest wind around 8 mph.
Thursday Night
Partly cloudy, with a low around 34. Light southwest wind.
Friday
Mostly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
A slight chance of rain. Partly sunny, with a high near 53.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 37.
Monday
A chance of rain. Mostly cloudy, with a high near 54.
Monday Night
Rain likely. Mostly cloudy, with a low around 39.
Tuesday
A chance of rain. Partly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ESE Camp Sherman OR
 44.42°N 121.43°W (Elev. 2799 ft)
9:47 pm PST Dec 9, 2025
10pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database