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

36°F

2°C

Humidity 70%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 19 Jan 01:01 PM PST
Extended Forecast for

4 Miles WSW Mazama WA

Air Stagnation Advisory January 19, 02:14pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 02:14pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • M.L.King Day

    High: 36 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 27. South wind 5 to 7 mph becoming west after midnight.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 40. Northwest wind around 6 mph becoming calm  in the morning.

    High: 40 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25. Light northwest wind.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. Light and variable wind.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

M.L.King Day
Sunny, with a high near 36. Calm wind.
Tonight
Partly cloudy, with a low around 27. South wind 5 to 7 mph becoming west after midnight.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 40. Northwest wind around 6 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 25. Light northwest wind.
Wednesday
Mostly sunny, with a high near 37. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 25.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Sunny, with a high near 35.
Friday Night
Mostly clear, with a low around 21.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 34.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 24.
Sunday
A 50 percent chance of snow. Partly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Mazama WA
 48.61°N 120.51°W (Elev. 3356 ft)
1:31 pm PST Jan 19, 2026
2pm PST Jan 19, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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