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

Boeing Field - King County International Airport (KBFI)

Lat: 47.54548°NLon: 122.3147°WElev: 20.0ft.

Mist

34°F

1°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 33°F (1°C)
Visibility 5.00 mi
Last update 19 Jan 10:53 PM PST
Extended Forecast for

2 Miles NNW South Seattle WA

  • Tonight

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

    Low: 34 °F

    Areas Dense
    Freezing Fog

  • Tuesday

    Tuesday: Areas of dense freezing fog before 10am. Partly sunny, with a high near 48. Calm wind becoming north around 5 mph in the afternoon.

    High: 48 °F

    Areas Dense
    Freezing Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Areas of dense freezing fog before noon. Mostly sunny, with a high near 47. Calm wind.

    High: 47 °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 45.

    High: 45 °F

    Areas Dense
    Freezing Fog
    then Partly
    Sunny

  • Thursday Night

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

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 47.

    High: 47 °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. Calm wind.
Tuesday
Areas of dense freezing fog before 10am. Partly sunny, with a high near 48. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 34. Calm wind.
Wednesday
Areas of dense freezing fog before noon. Mostly sunny, with a high near 47. Calm 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 45.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 34.
Saturday
A slight chance of rain after 10am. Partly sunny, with a high near 46.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 38.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 49.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 43.
Monday
A chance of rain. Mostly cloudy, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW South Seattle WA
 47.57°N 122.31°W (Elev. 200 ft)
7:00 pm PST Jan 19, 2026
11pm PST Jan 19, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database