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 0 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 19 Jan 09:01 PM PST
Extended Forecast for

12 Miles WNW Mazama WA

Air Stagnation Advisory January 19, 09:27pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 09:27pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 25 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33. North wind 5 to 10 mph becoming northeast in the afternoon.

    High: 33 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21. West wind 7 to 9 mph.

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 32. Southwest wind 3 to 8 mph.

    High: 32 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20. Southwest wind around 7 mph.

    Low: 20 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Thursday Night

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

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 25. Northwest wind 9 to 13 mph.
Tuesday
Mostly sunny, with a high near 33. North wind 5 to 10 mph becoming northeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 21. West wind 7 to 9 mph.
Wednesday
Mostly sunny, with a high near 32. Southwest wind 3 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 20. Southwest wind around 7 mph.
Thursday
Partly sunny, with a high near 31.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Sunny, with a high near 28.
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 27.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19.
Sunday
Snow likely. Partly sunny, with a high near 28. Chance of precipitation is 60%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Monday
A 50 percent chance of snow. Partly sunny, with a high near 29.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles WNW Mazama WA
 48.69°N 120.67°W (Elev. 6348 ft)
9:02 pm PST Jan 19, 2026
9pm PST Jan 19, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

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