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

Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. 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 93%
Wind Speed SE 5 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 30 Jan 03:35 AM PST
Extended Forecast for

South Seattle WA

  • Overnight

    Overnight: Cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Cloudy

  • Friday

    Friday: Rain. High near 52. South wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain then
    Rain Likely

  • Friday Night

    Friday Night: A chance of rain before 7pm, then a chance of rain after 3am. Mostly cloudy, with a low around 48. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 48 °F

    Chance Rain

  • Saturday

    Saturday: A 40 percent chance of rain before 10am. Mostly cloudy, with a high near 58. Light southeast wind.

    High: 58 °F

    Chance Rain
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Rain likely, mainly after 4am. Mostly cloudy, with a low around 46. Southeast wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance Rain
    then Rain
    Likely

  • Sunday

    Sunday: Rain. High near 54. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Rain

  • Sunday Night

    Sunday Night: Rain, mainly before 10pm. Low around 45. Chance of precipitation is 80%.

    Low: 45 °F

    Rain then
    Chance Rain

  • Monday

    Monday: Rain likely, mainly before 4pm. Mostly cloudy, with a high near 53.

    High: 53 °F

    Rain Likely

  • Monday Night

    Monday Night: A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

Detailed Forecast

Overnight
Cloudy, with a low around 47. Calm wind.
Friday
Rain. High near 52. South wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of rain before 7pm, then a chance of rain after 3am. Mostly cloudy, with a low around 48. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
A 40 percent chance of rain before 10am. Mostly cloudy, with a high near 58. Light southeast wind.
Saturday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 46. Southeast wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain. High near 54. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain, mainly before 10pm. Low around 45. Chance of precipitation is 80%.
Monday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 53.
Monday Night
A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 44.
Tuesday
Mostly cloudy, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
Partly sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 59.
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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:
1:25 am PST Jan 30, 2026
Forecast Valid:
3am PST Jan 30, 2026-6pm PST Feb 5, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation