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

Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Overcast

54°F

12°C

Humidity 71%
Wind Speed NW 6 MPH
Barometer 30.47 in (1031.83 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 14 Jan 03:15 PM PST
Extended Forecast for

South Seattle WA

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 44. Light north wind.

    Low: 44 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy dense fog before 7am. Otherwise, mostly cloudy, with a steady temperature around 47. North wind 6 to 8 mph.

    High: 47 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39. North northeast wind around 7 mph.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 52. North northeast wind around 6 mph.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. Northeast wind 3 to 5 mph.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 44. Light north wind.
Thursday
Patchy dense fog before 7am. Otherwise, mostly cloudy, with a steady temperature around 47. North wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 39. North northeast wind around 7 mph.
Friday
Sunny, with a high near 52. North northeast wind around 6 mph.
Friday Night
Mostly clear, with a low around 39. Northeast wind 3 to 5 mph.
Saturday
Sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 37.
M.L.King Day
Mostly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 49.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 39.
Wednesday
Patchy fog. Otherwise, mostly cloudy, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Seattle WA
 47.57°N 122.28°W (Elev. 10 ft)
Last Update:
1:26 pm PST Jan 14, 2026
Forecast Valid:
3pm PST Jan 14, 2026-6pm PST Jan 21, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation