Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. 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 WNW 8 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 46°F (8°C)
Visibility NA
Last update 09 Dec 10:55 AM PST
Extended Forecast for

3 Miles S Sisters OR

  • Today

    Today: Rain.  High near 54. South wind 7 to 9 mph, with gusts as high as 26 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Rain

  • Tonight

    Tonight: A 50 percent chance of rain.  Mostly cloudy, with a low around 44. South wind 8 to 10 mph, with gusts as high as 25 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain before 10am.  Partly sunny, with a high near 57. Southwest wind 7 to 10 mph, with gusts as high as 26 mph.

    High: 57 °F

    Chance Rain
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain.  Mostly cloudy, with a low around 39. Southwest wind around 7 mph.

    Low: 39 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 20 percent chance of rain.  Mostly sunny, with a high near 56. Southwest wind 3 to 5 mph.

    High: 56 °F

    Slight Chance
    Rain

  • Thursday Night

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

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57.

    High: 57 °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 58.

    High: 58 °F

    Mostly Sunny

Detailed Forecast

Today
Rain. High near 54. South wind 7 to 9 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 50 percent chance of rain. Mostly cloudy, with a low around 44. South wind 8 to 10 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 30 percent chance of rain before 10am. Partly sunny, with a high near 57. Southwest wind 7 to 10 mph, with gusts as high as 26 mph.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 39. Southwest wind around 7 mph.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 56. Southwest wind 3 to 5 mph.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
A chance of rain, mainly after 4am. Mostly cloudy, with a low around 34.
Sunday
A chance of rain. Partly sunny, with a high near 51.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 35.
Monday
A chance of rain. Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Sisters OR
 44.25°N 121.53°W (Elev. 3399 ft)
9:15 am PST Dec 9, 2025
11am PST Dec 9, 2025-6pm PST Dec 15, 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