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

STEHEKIN-AIRSTRIP (STRW1)

Lat: 48.34694°NLon: 120.72028°WElev: 1230.0ft.

NA

30°F

-1°C

Humidity 77%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 20 Jan 06:01 AM PST
Extended Forecast for

10 Miles NW Mazama WA

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

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Today

    High: 29 °F

    Sunny and
    Blustery then
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 20. Northwest wind 9 to 14 mph.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 30. Northwest wind 6 to 11 mph becoming southwest in the afternoon.

    High: 30 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 17. West wind 7 to 9 mph.

    Low: 17 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 26. West wind 6 to 9 mph.

    High: 26 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 23.

    High: 23 °F

    Sunny

  • Friday Night

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

    Low: 12 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 29. Blustery, with a north wind 13 to 18 mph becoming north 6 to 11 mph in the afternoon.
Tonight
Mostly clear, with a low around 20. Northwest wind 9 to 14 mph.
Wednesday
Sunny, with a high near 30. Northwest wind 6 to 11 mph becoming southwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 17. West wind 7 to 9 mph.
Thursday
Mostly sunny, with a high near 26. West wind 6 to 9 mph.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Sunny, with a high near 23.
Friday Night
Mostly clear, with a low around 12.
Saturday
Sunny, with a high near 25.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 15.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 24.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 20.
Monday
A 50 percent chance of snow. Partly sunny, with a high near 25.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NW Mazama WA
 48.73°N 120.58°W (Elev. 7267 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