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,fog

30°F

-1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 30°F (-1°C)
Visibility 6.00 mi
Last update 19 Jan 05:20 AM PST
Extended Forecast for

South Seattle WA

  • M.L.King Day

    M.L.King Day: Patchy fog before 9am.  Otherwise, sunny, with a high near 51. Light north wind.

    High: 51 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 50. Calm wind becoming north around 5 mph in the afternoon.

    High: 50 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48. Calm wind.

    High: 48 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Thursday Night

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

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

Detailed Forecast

M.L.King Day
Patchy fog before 9am. Otherwise, sunny, with a high near 51. Light north wind.
Tonight
Mostly cloudy, with a low around 35. Calm wind.
Tuesday
Partly sunny, with a high near 50. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 34. Calm wind.
Wednesday
Mostly sunny, with a high near 48. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
Partly sunny, with a high near 46.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 47.
Friday Night
A slight chance of rain after 10pm. Partly cloudy, with a low around 35.
Saturday
A slight chance of rain and snow. Partly sunny, with a high near 48.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 37.
Sunday
A chance of rain. Mostly cloudy, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
South Seattle WA
 47.55°N 122.3°W (Elev. 200 ft)
1:25 am PST Jan 19, 2026
5am PST Jan 19, 2026-6pm PST Jan 25, 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