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.

Fog

32°F

0°C

Humidity 100%
Wind Speed NNE 4 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 32°F (0°C)
Visibility 0.25 mi
Wind Chill28°F (-2°C)
Last update 20 Jan 06:24 AM PST
Extended Forecast for

Des Moines WA

  • Today

    Today: Patchy dense fog before 9am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 49. Light north wind.

    High: 49 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 46. Calm wind.

    High: 46 °F

    Sunny

  • Wednesday Night

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

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 44. Calm wind.

    High: 44 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33.

    Low: 33 °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 31.

    Low: 31 °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. Light north wind.
Tonight
Mostly clear, with a low around 32. Calm wind.
Wednesday
Sunny, with a high near 46. Calm wind.
Wednesday Night
Partly cloudy, with a low around 32. Calm wind.
Thursday
Partly sunny, with a high near 44. Calm wind.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 46.
Friday Night
Partly cloudy, with a low around 31.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 34.
Sunday
A chance of rain. Mostly cloudy, with a high near 46.
Sunday Night
A chance of rain. Cloudy, with a low around 40.
Monday
A chance of rain. Mostly cloudy, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
Des Moines WA
 47.4°N 122.29°W (Elev. 315 ft)
1:25 am PST Jan 20, 2026
6am 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