Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

Lat: 47.54548°NLon: 122.3147°WElev: 20.0ft.

Clear

46°F

8°C

Humidity 52%
Wind Speed N 0 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 21 Jan 03:35 PM PST
Extended Forecast for

Downtown Seattle WA

  • Tonight

    Tonight: Increasing clouds, with a low around 32. Calm wind.

    Low: 32 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 43. Calm wind.

    High: 43 °F

    Mostly Cloudy

  • Thursday Night

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

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 45. North wind 3 to 6 mph.

    High: 45 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. North wind around 5 mph becoming calm  in the evening.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of snow after 4am.  Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Increasing clouds, with a low around 32. Calm wind.
Thursday
Mostly cloudy, with a high near 43. Calm wind.
Thursday Night
Partly cloudy, with a low around 32. Calm wind.
Friday
Sunny, with a high near 45. North wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 31. North wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
A slight chance of snow after 4am. Mostly cloudy, with a low around 32.
Monday
A slight chance of rain and snow before 10am, then a slight chance of rain between 10am and 4pm, then a slight chance of rain and snow after 4pm. Mostly cloudy, with a high near 46.
Monday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 36.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 50.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 39.
Wednesday
A chance of rain. Mostly cloudy, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
Downtown Seattle WA
 47.61°N 122.32°W (Elev. 240 ft)
1:25 pm PST Jan 21, 2026
3pm PST Jan 21, 2026-6pm PST Jan 28, 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