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 30.22 in (1023.37 mb)
Dewpoint 21°F (-6°C)
Visibility NA
Last update 21 Jan 09:55 AM PST
Extended Forecast for

6 Miles ESE Suttle Lake OR

  • Today

    Today: Partly sunny, with a high near 40. Calm wind.

    High: 40 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy during the early evening, then becoming cloudy, with a low around 16. Calm wind.

    Low: 16 °F

    Becoming
    Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 43. Calm wind.

    High: 43 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 15. Calm wind.

    Low: 15 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 33. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 33 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Saturday Night

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

    Low: 16 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 40. Calm wind.
Tonight
Partly cloudy during the early evening, then becoming cloudy, with a low around 16. Calm wind.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 43. Calm wind.
Thursday Night
Mostly cloudy, with a low around 15. Calm wind.
Friday
Sunny, with a high near 33. Calm wind becoming northeast around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 12.
Saturday
Sunny, with a high near 40.
Saturday Night
Mostly clear, with a low around 16.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
A slight chance of snow after 4am. Snow level 3600 feet. Mostly cloudy, with a low around 22.
Monday
A slight chance of rain and snow. Snow level 3500 feet rising to 4400 feet in the afternoon. Partly sunny, with a high near 46.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
Partly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Suttle Lake OR
 44.38°N 121.66°W (Elev. 3396 ft)
9:56 am PST Jan 21, 2026
11am PST Jan 21, 2026-6pm PST Jan 27, 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