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 WEATHER FORECAST OFFICE (SEAW1)

Lat: 47.68528°NLon: 122.25111°WElev: 29.0ft.

NA

35°F

2°C

Humidity 97%
Wind Speed NNW 4 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 20 Jan 02:30 AM PST
Extended Forecast for

Seattle-University WA

  • Overnight

    Overnight: Patchy fog.  Otherwise, mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Patchy Fog

  • Tuesday

    Tuesday: 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

  • Tuesday Night

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

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 48. Calm wind.

    High: 48 °F

    Sunny

  • Wednesday Night

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

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 45.

    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 47.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 35. Calm wind.
Tuesday
Patchy dense fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 49. Light north wind.
Tuesday Night
Partly cloudy, with a low around 33. Calm wind.
Wednesday
Sunny, with a high near 48. Calm wind.
Wednesday Night
Partly cloudy, with a low around 33. Calm wind.
Thursday
Partly sunny, with a high near 45.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 35.
Sunday
A chance of rain. Mostly cloudy, with a high near 47.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 40.
Monday
A chance of rain. Mostly cloudy, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
Seattle-University WA
 47.65°N 122.3°W (Elev. 33 ft)
1:25 am PST Jan 20, 2026
3am 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