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

46°F

8°C

Humidity 75%
Wind Speed W 3 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 19 Jan 04:20 PM PST
Extended Forecast for

2 Miles SE Seatac WA

  • Tonight

    Tonight: Areas of dense freezing fog after 4am. Partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Partly Cloudy
    then 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 49. Light north wind.

    High: 49 °F

    Areas Dense
    Freezing Fog
    and Areas
    Dense Fog

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Areas of dense freezing fog before noon. Mostly sunny, with a high near 48. Calm wind.

    High: 48 °F

    Areas Dense
    Freezing Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Areas of dense freezing fog before 11am. Partly sunny, with a high near 46.

    High: 46 °F

    Areas Dense
    Freezing Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog before 3am, then patchy fog after 5am.  Otherwise, partly cloudy, with a low around 34.

    Low: 34 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 47.

    High: 47 °F

    Patchy Fog
    then 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. Partly cloudy, with a low around 33. Calm wind.
Tuesday
Areas of dense fog between 10am and noon. Areas of dense freezing fog before 10am. Otherwise, partly sunny, with a high near 49. Light north wind.
Tuesday Night
Partly cloudy, with a low around 32. Calm wind.
Wednesday
Areas of dense freezing fog before noon. Mostly sunny, with a high near 48. Calm wind.
Wednesday Night
Partly cloudy, with a low around 33. Calm wind.
Thursday
Areas of dense freezing fog before 11am. Partly sunny, with a high near 46.
Thursday Night
Patchy fog before 3am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 34.
Friday
Patchy fog before 8am. Otherwise, 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 47.
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 49.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 42.
Monday
A chance of rain. Mostly cloudy, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Seatac WA
 47.42°N 122.26°W (Elev. 194 ft)
2:44 pm PST Jan 19, 2026
4pm 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