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.

freezing fog

30°F

-1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 30°F (-1°C)
Visibility 0.25 mi
Last update 20 Jan 04:35 AM PST
Extended Forecast for

2 Miles SSE Downtown Seattle WA

  • Today

    Today: Patchy dense fog before 9am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 49. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 49 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Tonight

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

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 47. Calm wind.

    High: 47 °F

    Sunny

  • Wednesday Night

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

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 45. Calm wind.

    High: 45 °F

    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 46.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy dense fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 49. Calm wind becoming north northeast around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 34. Calm wind.
Wednesday
Sunny, with a high near 47. Calm wind.
Wednesday Night
Partly cloudy, with a low around 34. Calm wind.
Thursday
Partly sunny, with a high near 45. Calm wind.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 46.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
A slight chance of rain and snow after 10pm. Mostly cloudy, with a low around 35.
Sunday
A chance of rain. Mostly cloudy, with a high near 46.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 41.
Monday
A chance of rain. Mostly cloudy, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Downtown Seattle WA
 47.59°N 122.31°W (Elev. 200 ft)
1:25 am PST Jan 20, 2026
4am PST Jan 20, 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