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

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Current conditions at

NCSB (NCSW1)

Lat: 48.42528°NLon: 120.14194°WElev: 1697.0ft.

NA

23°F

-5°C

Humidity 84%
Wind Speed WNW 2 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 20 Jan 06:06 AM PST
Extended Forecast for

10 Miles W Twisp WA

Air Stagnation Advisory January 20, 07:05am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 07:05am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Today

    High: 36 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 34. Calm wind.

    High: 34 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 34. Calm wind.

    High: 34 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 36. Calm wind.
Tonight
Mostly clear, with a low around 21. Calm wind.
Wednesday
Sunny, with a high near 34. Calm wind.
Wednesday Night
Partly cloudy, with a low around 21. Calm wind.
Thursday
Mostly sunny, with a high near 34. Calm wind.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Sunny, with a high near 34.
Friday Night
Mostly clear, with a low around 18.
Saturday
Sunny, with a high near 33.
Saturday Night
A 10 percent chance of snow after 4am. Partly cloudy, with a low around 21.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 32.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 25.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles W Twisp WA
 48.37°N 120.35°W (Elev. 3799 ft)
1:12 am PST Jan 20, 2026
7am PST Jan 20, 2026-6pm PST Jan 26, 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