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.

Partly Cloudy

37°F

3°C

Humidity 93%
Wind Speed SSE 3 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 36°F (2°C)
Visibility 9.00 mi
Last update 21 Jan 07:00 PM PST
Extended Forecast for

6 Miles S Vashon WA

  • Tonight

    Tonight: Widespread dense fog, mainly between midnight and 3am. Otherwise, increasing clouds, with a low around 33. Calm wind.

    Low: 33 °F

    Partly Cloudy
    then Dense
    Fog

  • Thursday

    Thursday: Widespread dense fog before 11am. Otherwise, mostly cloudy, with a high near 42. Calm wind.

    High: 42 °F

    Dense Fog
    then 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 5 to 7 mph.

    High: 45 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. North northeast wind 3 to 6 mph.

    Low: 31 °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 31.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of snow after 4am. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Widespread dense fog, mainly between midnight and 3am. Otherwise, increasing clouds, with a low around 33. Calm wind.
Thursday
Widespread dense fog before 11am. Otherwise, mostly cloudy, with a high near 42. Calm wind.
Thursday Night
Partly cloudy, with a low around 34. Calm wind.
Friday
Sunny, with a high near 45. North northeast wind 5 to 7 mph.
Friday Night
Mostly clear, with a low around 31. North northeast wind 3 to 6 mph.
Saturday
Sunny, with a high near 44.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Mostly sunny, with a high near 43.
Sunday Night
A slight chance of snow after 4am. Mostly cloudy, with a low around 33.
Monday
A slight chance of rain and snow before 10am, then a slight chance of rain. Mostly cloudy, with a high near 45.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 37.
Tuesday
A slight chance of rain. Partly sunny, with a high near 49.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 40.
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:
6 Miles S Vashon WA
 47.37°N 122.47°W (Elev. 0 ft)
Last Update:
7:01 pm PST Jan 21, 2026
Forecast Valid:
7pm PST Jan 21, 2026-6pm PST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation