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

Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Overcast

49°F

9°C

Humidity 40%
Wind Speed S 14 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 10 Mar 02:53 PM PDT
Extended Forecast for

South Seattle WA

Wind Advisory March 11, 03:00pm until March 12, 06:00am
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: Rain. High near 46. South southwest wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 5am. Low around 39. South wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Rain

  • Wednesday

    Wednesday: Rain, mainly after 7am. High near 52. South wind 8 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain. Low around 41. Breezy, with a southwest wind 17 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain and
    Breezy

  • Thursday

    Thursday: Rain. High near 47. South southwest wind around 11 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 38. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 38 °F

    Rain

  • Friday

    Friday: Rain, possibly mixed with snow, becoming all rain after 11am. High near 45. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    then Rain

  • Friday Night

    Friday Night: Rain before 11pm, then rain likely, possibly mixed with snow. Cloudy, with a low around 36.

    Low: 36 °F

    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 11am, then a chance of rain. Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance
    Rain/Snow
    then Chance
    Rain

Detailed Forecast

This Afternoon
Rain. High near 46. South southwest wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly before 5am. Low around 39. South wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, mainly after 7am. High near 52. South wind 8 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain. Low around 41. Breezy, with a southwest wind 17 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 47. South southwest wind around 11 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 38. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Rain, possibly mixed with snow, becoming all rain after 11am. High near 45. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday Night
Rain before 11pm, then rain likely, possibly mixed with snow. Cloudy, with a low around 36.
Saturday
A chance of rain and snow before 11am, then a chance of rain. Mostly cloudy, with a high near 48.
Saturday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 34.
Sunday
Rain and snow likely. Cloudy, with a high near 49.
Sunday Night
Rain. Cloudy, with a low around 41.
Monday
Rain likely. Cloudy, with a high near 56.
Monday Night
Rain likely. Mostly cloudy, with a low around 45.
Tuesday
Rain likely. Mostly cloudy, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Seattle WA
 47.55°N 122.3°W (Elev. 200 ft)
Last Update:
2:25 pm PDT Mar 10, 2026
Forecast Valid:
3pm PDT Mar 10, 2026-6pm PDT Mar 17, 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