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

31°F

-1°C

Humidity 77%
Wind Speed NNW 2 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 20 Jan 03:01 AM PST
Extended Forecast for

14 Miles NW Mazama WA

Air Stagnation Advisory January 20, 03:15am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 03:15am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Overnight

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 31. North wind 6 to 14 mph.

    High: 31 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 20. North wind 9 to 11 mph.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 32. West wind 5 to 10 mph.

    High: 32 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 18. Southwest wind 6 to 8 mph.

    Low: 18 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 24.

    High: 24 °F

    Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 24. Northwest wind around 17 mph.
Tuesday
Sunny, with a high near 31. North wind 6 to 14 mph.
Tuesday Night
Mostly clear, with a low around 20. North wind 9 to 11 mph.
Wednesday
Sunny, with a high near 32. West wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 18. Southwest wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 28.
Thursday Night
Partly cloudy, with a low around 14.
Friday
Sunny, with a high near 24.
Friday Night
Mostly clear, with a low around 12.
Saturday
Sunny, with a high near 27.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 16.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 25.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 21.
Monday
A 50 percent chance of snow. Partly sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NW Mazama WA
 48.76°N 120.62°W (Elev. 7201 ft)
1:12 am PST Jan 20, 2026
3am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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