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

MANSON (MASW)

Lat: 47.91694°NLon: 120.12444°WElev: 1972.0ft.

NA

27°F

-3°C

Humidity 88%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 20 Jan 03:00 AM PST
Extended Forecast for

3 Miles S Chelan WA

Air Stagnation Advisory January 20, 04:21am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 04:21am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Today

    High: 35 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 25. Light and variable wind.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 33. Calm wind.

    High: 33 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 34. Calm wind.

    High: 34 °F

    Partly Sunny

  • Thursday Night

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

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 35. Light and variable wind.
Tonight
Mostly clear, with a low around 25. Light and variable wind.
Wednesday
Mostly sunny, with a high near 33. Calm wind.
Wednesday Night
Partly cloudy, with a low around 25. Calm wind.
Thursday
Partly sunny, with a high near 34. Calm wind.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Sunny, with a high near 37.
Friday Night
Mostly clear, with a low around 23.
Saturday
Mostly sunny, with a high near 33.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 34.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 27.
Monday
A 20 percent chance of snow. Snow level rising to 2500 feet in the afternoon. Partly sunny, with a high near 37.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Chelan WA
 47.8°N 120.03°W (Elev. 2139 ft)
1:12 am PST Jan 20, 2026
4am PST Jan 20, 2026-6pm PST Jan 26, 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