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

NCSB (NCSW1)

Lat: 48.42528°NLon: 120.14194°WElev: 1697.0ft.

NA

24°F

-4°C

Humidity 93%
Wind Speed NNW 2 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Last update 18 Jan 09:06 PM PST
Extended Forecast for

10 Miles W Twisp WA

Air Stagnation Advisory January 18, 09:19pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 18, 09:19pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 24 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 37. Calm wind.

    High: 37 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. Calm wind.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36.

    High: 36 °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

Detailed Forecast

Tonight
Mostly clear, with a low around 24. Calm wind.
M.L.King Day
Sunny, with a high near 37. Calm wind.
Monday Night
Partly cloudy, with a low around 25. Calm wind.
Tuesday
Mostly sunny, with a high near 39. Calm wind.
Tuesday Night
Mostly clear, with a low around 23. Calm wind.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Partly cloudy, with a low around 25.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 25.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 34.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 19.
Saturday
A 40 percent chance of snow. Partly sunny, with a high near 27.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 18.
Sunday
A 50 percent chance of snow. Partly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles W Twisp WA
 48.37°N 120.35°W (Elev. 3799 ft)
9:02 pm PST Jan 18, 2026
9pm PST Jan 18, 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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