Heavy Mountain Snow in the Northwest U.S.; Wintry Mix in the Northeast U.S.

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. overnight into Wednesday. Read More >

Current conditions at

SISTERS (K6K5)

Lat: 44.30445°NLon: 121.53909°WElev: 3168.0ft.

NA

43°F

6°C

Humidity 65%
Wind Speed N 0 MPH
Barometer 29.73 in (1006.77 mb)
Dewpoint 32°F (0°C)
Visibility NA
Last update 06 Jan 09:55 PM PST
Extended Forecast for

8 Miles SW Sisters OR

Winter Storm Warning January 6, 10:26pm until January 8, 04:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning January 6, 10:26pm until January 8, 04:00pm

    NOW until 4:00pm Thu

    Winter Storm Warning

  • Tonight

    Low: 25 °F

    Heavy Snow
    and Blowing
    Snow

  • Wednesday

    Wednesday: Snow, mainly after 10am. The snow could be heavy at times.  High near 31. West wind 7 to 13 mph, with gusts as high as 31 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    High: 31 °F

    Heavy Snow

  • Wednesday Night

    Wednesday Night: Snow.  Low around 19. West wind 6 to 8 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 19 °F

    Snow

  • Thursday

    Thursday: Snow, mainly before 4pm.  High near 29. West wind 5 to 9 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 29 °F

    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before 10pm.  Mostly cloudy, with a low around 21. Light southwest wind.

    Low: 21 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

Detailed Forecast

Tonight
Snow, mainly before 1am. The snow could be heavy at times. Widespread blowing snow before 1am. Low around 25. West wind 16 to 21 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 4 to 8 inches possible.
Wednesday
Snow, mainly after 10am. The snow could be heavy at times. High near 31. West wind 7 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Wednesday Night
Snow. Low around 19. West wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow, mainly before 4pm. High near 29. West wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday Night
A 30 percent chance of snow before 10pm. Mostly cloudy, with a low around 21. Light southwest wind.
Friday
Mostly sunny, with a high near 39.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 42.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SW Sisters OR
 44.19°N 121.64°W (Elev. 4800 ft)
9:15 pm PST Jan 6, 2026
10pm PST Jan 6, 2026-6pm PST Jan 13, 2026
 
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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