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

Seattle, Seattle-Tacoma International Airport (KSEA)

Lat: 47.44472°NLon: 122.31361°WElev: 427.0ft.

Clear

34°F

1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 19 Jan 11:20 PM PST
Extended Forecast for

Vashon WA

  • Tonight

    Tonight: Areas of dense freezing fog after 4am. Mostly cloudy, with a low around 34. Light north wind.

    Low: 34 °F

    Areas Dense
    Freezing Fog

  • Tuesday

    Tuesday: Areas of dense fog between 10am and noon. Areas of dense freezing fog before 10am.  Otherwise, partly sunny, with a high near 46. North wind around 6 mph.

    High: 46 °F

    Areas Dense
    Freezing Fog
    and Areas
    Dense Fog

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34. North northeast wind around 5 mph becoming calm  in the evening.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Areas of dense freezing fog before noon. Mostly sunny, with a high near 44. Light north wind.

    High: 44 °F

    Areas Dense
    Freezing Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: Areas of dense freezing fog before 11am. Partly sunny, with a high near 43.

    High: 43 °F

    Areas Dense
    Freezing Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Areas of dense freezing fog after 4am. Mostly cloudy, with a low around 34. Light north wind.
Tuesday
Areas of dense fog between 10am and noon. Areas of dense freezing fog before 10am. Otherwise, partly sunny, with a high near 46. North wind around 6 mph.
Tuesday Night
Partly cloudy, with a low around 34. North northeast wind around 5 mph becoming calm in the evening.
Wednesday
Areas of dense freezing fog before noon. Mostly sunny, with a high near 44. Light north wind.
Wednesday Night
Mostly cloudy, with a low around 34. Calm wind.
Thursday
Areas of dense freezing fog before 11am. Partly sunny, with a high near 43.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 44.
Friday Night
Partly cloudy, with a low around 34.
Saturday
A slight chance of rain after 10am. Partly sunny, with a high near 44.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 37.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 46.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 42.
Monday
A chance of rain. Mostly cloudy, with a high near 49.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Vashon WA
 47.46°N 122.47°W (Elev. 381 ft)
7:00 pm PST Jan 19, 2026
11pm PST Jan 19, 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