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

21°F

-6°C

Humidity 94%
Wind Speed NW 4 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Wind Chill15°F (-9°C)
Last update 19 Jan 05:06 AM PST
Extended Forecast for

11 Miles E Twisp WA

Air Stagnation Advisory January 19, 05:35am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 05:35am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • M.L.King Day

    High: 34 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 27. Calm wind becoming northwest 5 to 7 mph after midnight.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 35. Northwest wind 3 to 7 mph.

    High: 35 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23. Northwest wind around 6 mph.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 33. North wind around 6 mph becoming light and variable  in the afternoon.

    High: 33 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 23 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Thursday Night

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

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

M.L.King Day
Sunny, with a high near 34. Light and variable wind.
Tonight
Mostly cloudy, with a steady temperature around 27. Calm wind becoming northwest 5 to 7 mph after midnight.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 35. Northwest wind 3 to 7 mph.
Tuesday Night
Mostly clear, with a low around 23. Northwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 33. North wind around 6 mph becoming light and variable in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 32.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 28.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 20.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 28.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles E Twisp WA
 48.39°N 119.88°W (Elev. 4150 ft)
2:57 am PST Jan 19, 2026
5am PST Jan 19, 2026-6pm PST Jan 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database