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 87%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 19 Jan 06:01 PM PST
Extended Forecast for

9 Miles NW Mazama WA

Air Stagnation Advisory January 19, 06:26pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 06:26pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 25 °F

    Mostly Clear
    then Partly
    Cloudy and
    Blustery

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 30. North wind 6 to 15 mph becoming northeast in the afternoon.

    High: 30 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 20. Northwest wind around 11 mph.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 29. West wind 6 to 11 mph becoming southwest in the afternoon.

    High: 29 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19. West wind 7 to 9 mph.

    Low: 19 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Thursday Night

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

    Low: 14 °F

    Partly Cloudy

  • Friday

    Friday: A 10 percent chance of snow after 4pm.  Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 25. Blustery, with a northwest wind 9 to 14 mph increasing to 16 to 21 mph after midnight.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 30. North wind 6 to 15 mph becoming northeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 20. Northwest wind around 11 mph.
Wednesday
Mostly sunny, with a high near 29. West wind 6 to 11 mph becoming southwest in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 19. West wind 7 to 9 mph.
Thursday
Partly sunny, with a high near 27.
Thursday Night
Partly cloudy, with a low around 14.
Friday
A 10 percent chance of snow after 4pm. Mostly sunny, with a high near 24.
Friday Night
A slight chance of snow before 10pm, then a slight chance of snow after 4am. Partly cloudy, with a low around 14. 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
A 50 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 21.
Monday
A 50 percent chance of snow. Partly sunny, with a high near 26.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NW Mazama WA
 48.73°N 120.58°W (Elev. 7267 ft)
3:11 pm PST Jan 19, 2026
6pm PST Jan 19, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

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