Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Hazardous Weather Conditions

Current conditions at

SISTERS (K6K5)

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

NA

23°F

-5°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 21°F (-6°C)
Visibility NA
Last update 21 Jan 08:55 AM PST
Extended Forecast for

12 Miles WSW Sisters OR

  • Today

    Today: Partly sunny, with a high near 44. Southwest wind around 5 mph becoming calm  in the morning.

    High: 44 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 29. Light southwest wind.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 40. Light west wind.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 19. Light southwest wind.

    Low: 19 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 27. East wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 27 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 44. Southwest wind around 5 mph becoming calm in the morning.
Tonight
Partly cloudy, with a low around 29. Light southwest wind.
Thursday
Mostly sunny, with a high near 40. Light west wind.
Thursday Night
Mostly cloudy, with a low around 19. Light southwest wind.
Friday
Sunny, with a high near 27. East wind 6 to 10 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 16.
Saturday
Sunny, with a high near 35.
Saturday Night
Mostly clear, with a low around 22.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
A slight chance of snow after 4am. Mostly cloudy, with a low around 27.
Monday
A slight chance of snow. Partly sunny, with a high near 39.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
A slight chance of snow. Partly sunny, with a high near 42.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles WSW Sisters OR
 44.24°N 121.78°W (Elev. 5843 ft)
9:27 am PST Jan 21, 2026
9am PST Jan 21, 2026-6pm PST Jan 27, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database