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 92%
Wind Speed ESE 3 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 19 Jan 11:00 PM PST
Extended Forecast for

19 Miles SSW Twisp WA

Air Stagnation Advisory January 20, 12:04am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 12:04am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Overnight

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33. North wind 5 to 10 mph.

    High: 33 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 18. West wind around 9 mph.

    Low: 18 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 27. Southwest wind 6 to 9 mph.

    High: 27 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 18. West wind 6 to 8 mph.

    Low: 18 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 25.

    High: 25 °F

    Sunny

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 31. Northwest wind 10 to 13 mph.
Tuesday
Mostly sunny, with a high near 33. North wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 18. West wind around 9 mph.
Wednesday
Mostly sunny, with a high near 27. Southwest wind 6 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 18. West wind 6 to 8 mph.
Thursday
Partly sunny, with a high near 26.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Sunny, with a high near 25.
Friday Night
Mostly clear, with a low around 15.
Saturday
A 20 percent chance of snow after 10am. Mostly sunny, with a high near 22.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 16.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 23.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 20.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles SSW Twisp WA
 48.12°N 120.31°W (Elev. 7041 ft)
9:02 pm PST Jan 19, 2026
12am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

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