Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

NA

32°F

0°C

Humidity 84%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 19 Jan 08:01 PM PST
Extended Forecast for

27 Miles NNW Mazama WA

Air Stagnation Advisory January 19, 08:41pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 08:41pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35. Northeast wind 3 to 7 mph.

    High: 35 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22. Northeast wind around 6 mph becoming southwest after midnight.

    Low: 22 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34. Southwest wind 3 to 6 mph.

    High: 34 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22. Southwest wind around 5 mph.

    Low: 22 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 24. West wind around 7 mph becoming north after midnight.
Tuesday
Mostly sunny, with a high near 35. Northeast wind 3 to 7 mph.
Tuesday Night
Mostly clear, with a low around 22. Northeast wind around 6 mph becoming southwest after midnight.
Wednesday
Mostly sunny, with a high near 34. Southwest wind 3 to 6 mph.
Wednesday Night
Mostly cloudy, with a low around 22. Southwest wind around 5 mph.
Thursday
Partly sunny, with a high near 32.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 29.
Friday Night
A 20 percent chance of snow. Partly cloudy, with a low around 17.
Saturday
A 30 percent chance of snow, mainly after 10am. Mostly sunny, with a high near 30.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 20.
Sunday
Snow likely. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.
Monday
A 50 percent chance of snow. Mostly cloudy, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
27 Miles NNW Mazama WA
 48.93°N 120.77°W (Elev. 5748 ft)
3:11 pm PST Jan 19, 2026
8pm PST Jan 19, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database