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

37°F

3°C

Humidity 93%
Wind Speed NE 3 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 19 Jan 01:35 AM PST
Extended Forecast for

Seattle-Tacoma International Airport WA

  • Overnight

    Overnight: Mostly clear, with a low around 36. North northeast wind around 5 mph.

    Low: 36 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Patchy dense fog before 9am.  Otherwise, sunny, with a high near 50. North wind around 5 mph.

    High: 50 °F

    Patchy Dense
    Fog then
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. Light north wind.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 48. North northeast wind around 5 mph.

    High: 48 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34. North northeast wind around 5 mph becoming calm  in the evening.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47.

    High: 47 °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 45.

    High: 45 °F

    Partly Sunny

  • Thursday Night

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

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 36. North northeast wind around 5 mph.
M.L.King Day
Patchy dense fog before 9am. Otherwise, sunny, with a high near 50. North wind around 5 mph.
Monday Night
Mostly cloudy, with a low around 35. Light north wind.
Tuesday
Partly sunny, with a high near 48. North northeast wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 34. North northeast wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
Partly sunny, with a high near 45.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 46.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 35.
Saturday
A slight chance of rain and snow. Partly sunny, with a high near 46.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 37.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Seattle-Tacoma International Airport WA
 47.46°N 122.31°W (Elev. 400 ft)
1:25 am PST Jan 19, 2026
1am 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