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

6 Miles NW Mazama WA

Air Stagnation Advisory January 19, 09:59pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 09:59pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 38. Northwest wind around 6 mph becoming calm  in the morning.

    High: 38 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24. Light northwest wind.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36. Light and variable wind.

    High: 36 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 33.

    High: 33 °F

    Sunny

Detailed Forecast

Tonight
Partly cloudy, with a steady temperature around 30. Northwest wind 5 to 7 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 38. Northwest wind around 6 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 24. Light northwest wind.
Wednesday
Mostly sunny, with a high near 36. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 24. Calm wind.
Thursday
Mostly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Sunny, with a high near 33.
Friday Night
Mostly clear, with a low around 20.
Saturday
A 20 percent chance of snow after 10am. Mostly sunny, with a high near 32.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 23.
Sunday
A 50 percent chance of snow. Partly sunny, with a high near 32.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 27.
Monday
A 40 percent chance of snow. Partly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Mazama WA
 48.67°N 120.53°W (Elev. 4032 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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