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

36°F

2°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 20 Jan 10:35 PM PST
Extended Forecast for

Downtown Seattle WA

  • Tonight

    Tonight: Mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. Calm wind.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 45. Calm wind.

    High: 45 °F

    Partly Sunny

  • Thursday Night

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

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Friday Night

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

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 35. Calm wind.
Wednesday
Mostly sunny, with a high near 47. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 34. Calm wind.
Thursday
Partly sunny, with a high near 45. Calm wind.
Thursday Night
Partly cloudy, with a low around 35. Calm wind.
Friday
Sunny, with a high near 46.
Friday Night
Mostly clear, with a low around 32.
Saturday
Sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
A slight chance of rain after 10am. Partly sunny, with a high near 45.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 38.
Monday
A chance of rain. Mostly cloudy, with a high near 47.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 40.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
Downtown Seattle WA
 47.6°N 122.35°W (Elev. 0 ft)
7:01 pm PST Jan 20, 2026
10pm PST Jan 20, 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