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 61%
Wind Speed SSE 3 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 21 Jan 02:35 PM PST
Extended Forecast for

Downtown Seattle WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 48. Calm wind.

    High: 48 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 34. Calm wind.

    Low: 34 °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 34. Calm wind.

    Low: 34 °F

    Partly Cloudy

  • Friday

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

    High: 45 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 32.

    Low: 32 °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 32.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 48. Calm wind.
Tonight
Increasing clouds, with a low around 34. Calm wind.
Thursday
Mostly cloudy, with a high near 43. Calm wind.
Thursday Night
Partly cloudy, with a low around 34. Calm wind.
Friday
Sunny, with a high near 45. North northeast wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 32.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
A slight chance of snow after 4am. Mostly cloudy, with a low around 33.
Monday
A slight chance of rain and snow. Mostly cloudy, with a high near 46.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 37.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
Downtown Seattle WA
 47.6°N 122.35°W (Elev. 0 ft)
1:25 pm PST Jan 21, 2026
2pm PST Jan 21, 2026-6pm PST Jan 27, 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