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

31°F

-1°C

Humidity 82%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 19 Jan 06:01 AM PST
Extended Forecast for

16 Miles SW Twisp WA

Air Stagnation Advisory January 19, 07:08am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 07:08am 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. West wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33. West wind 5 to 8 mph.

    High: 33 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 19. West wind around 6 mph.

    Low: 19 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 29. Southwest wind 3 to 5 mph.

    High: 29 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

Detailed Forecast

M.L.King Day
Sunny, with a high near 36. North wind around 5 mph becoming light and variable in the morning.
Tonight
Partly cloudy, with a low around 27. West wind 6 to 9 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 33. West wind 5 to 8 mph.
Tuesday Night
Mostly clear, with a low around 19. West wind around 6 mph.
Wednesday
Mostly sunny, with a high near 29. Southwest wind 3 to 5 mph.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
Partly sunny, with a high near 29.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 26.
Friday Night
Partly cloudy, with a low around 16.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 25.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 16.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 24.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles SW Twisp WA
 48.22°N 120.4°W (Elev. 5879 ft)
2:57 am PST Jan 19, 2026
7am PST Jan 19, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

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