National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

Lat: 47.44472°NLon: 122.31361°WElev: 427.0ft.

Clear

43°F

6°C

Humidity 75%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 21 Jan 04:00 PM PST
Extended Forecast for

Seattle-Tacoma International Airport WA

  • Tonight

    Tonight: Partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 42. Calm wind.

    High: 42 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31. Light northeast wind.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 45. Wind chill values between 25 and 35 early. North northeast wind 6 to 8 mph.

    High: 45 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 29. Northeast wind 5 to 7 mph.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28.

    Low: 28 °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
Partly cloudy, with a low around 31. Calm wind.
Thursday
Mostly cloudy, with a high near 42. Calm wind.
Thursday Night
Partly cloudy, with a low around 31. Light northeast wind.
Friday
Sunny, with a high near 45. Wind chill values between 25 and 35 early. North northeast wind 6 to 8 mph.
Friday Night
Mostly clear, with a low around 29. Northeast wind 5 to 7 mph.
Saturday
Sunny, with a high near 44.
Saturday Night
Mostly clear, with a low around 28.
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. Mostly cloudy, with a high near 46.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 36.
Tuesday
A slight chance of rain. Partly sunny, with a high near 50.
Tuesday Night
A slight 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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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seattle-Tacoma International Airport WA
 47.46°N 122.31°W (Elev. 400 ft)
Last Update:
1:25 pm PST Jan 21, 2026
Forecast Valid:
4pm PST Jan 21, 2026-6pm PST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation