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

22°F

-6°C

Humidity 95%
Wind Speed NNW 5 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Wind Chill15°F (-9°C)
Last update 19 Jan 01:06 AM PST
Extended Forecast for

11 Miles WSW Twisp WA

Air Stagnation Advisory January 19, 01:39am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 01:39am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Overnight

    Low: 26 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 36. Calm wind.

    High: 36 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. Calm wind becoming west around 5 mph.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35. Light west wind.

    High: 35 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 33.

    High: 33 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 26. Calm wind.
M.L.King Day
Sunny, with a high near 36. Calm wind.
Monday Night
Partly cloudy, with a low around 27. Calm wind becoming west around 5 mph.
Tuesday
Mostly sunny, with a high near 35. Light west wind.
Tuesday Night
Mostly clear, with a low around 23. Calm wind.
Wednesday
Sunny, with a high near 33.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
Mostly sunny, with a high near 33.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Mostly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 21.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 30.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Twisp WA
 48.31°N 120.33°W (Elev. 4390 ft)
1:13 am PST Jan 19, 2026
1am 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

National Digital Forecast Database