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

16 Miles NNW Mazama WA

Air Stagnation Advisory January 19, 08:54pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 08:54pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 23 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30. North wind 7 to 14 mph.

    High: 30 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 19. Northwest wind 9 to 11 mph.

    Low: 19 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 29. Southwest wind 6 to 13 mph.

    High: 29 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 18. Southwest wind around 9 mph.

    Low: 18 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Friday

    Friday: A 10 percent chance of snow after 4pm.  Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 23. West wind 10 to 17 mph.
Tuesday
Mostly sunny, with a high near 30. North wind 7 to 14 mph.
Tuesday Night
Mostly clear, with a low around 19. Northwest wind 9 to 11 mph.
Wednesday
Mostly sunny, with a high near 29. Southwest wind 6 to 13 mph.
Wednesday Night
Mostly cloudy, with a low around 18. Southwest wind around 9 mph.
Thursday
Partly sunny, with a high near 26.
Thursday Night
Partly cloudy, with a low around 13.
Friday
A 10 percent chance of snow after 4pm. Mostly sunny, with a high near 23.
Friday Night
A slight chance of snow before 10pm, then a slight chance of snow after 4am. Partly cloudy, with a low around 13. Chance of precipitation is 20%.
Saturday
A 30 percent chance of snow, mainly after 10am. Mostly sunny, with a high near 23.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 16.
Sunday
Snow likely. Mostly cloudy, with a high near 24. Chance of precipitation is 60%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.
Monday
A 50 percent chance of snow. Mostly cloudy, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNW Mazama WA
 48.83°N 120.58°W (Elev. 7539 ft)
3:11 pm PST Jan 19, 2026
8pm PST Jan 19, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

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