Heat and Fire Weather Concerns West; Heavy Rain and Thunderstorms from Plains to mid-Atlantic

Thunderstorms and locally heavy rainfall is expected from the Central Plains to the Ohio Valley, mid-Atlantic and across the Southeast. Severe weather from the Upper Midwest to Central Plains increases on Friday. Major to Extreme HeatRisk continues across the Southern Plains to the lower Mississippi Valley late this week. Fire weather concerns for the northern Rockies and northern Plains today. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Mostly Cloudy

70°F

21°C

Humidity 56%
Wind Speed WNW 4 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 10 Sep 01:05 PM PDT
Extended Forecast for

South Seattle WA

  • This Afternoon

    This Afternoon: Cloudy, then gradually becoming mostly sunny, with a high near 71. Light west northwest wind.

    High: 71 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. Calm wind becoming south southeast around 6 mph after midnight.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 69. South wind around 6 mph becoming calm  in the afternoon.

    High: 69 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Cloudy, with a low around 56. Light and variable wind.

    Low: 56 °F

    Cloudy

  • Saturday

    Saturday: A slight chance of rain between 11am and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Mostly cloudy, with a high near 70. Calm wind becoming northwest around 5 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Slight Chance
    Rain then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm, then rain after 8pm.  Low around 56. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Showers

  • Sunday

    Sunday: Rain likely, mainly before 11am.  Mostly cloudy, with a high near 68. Chance of precipitation is 60%.

    High: 68 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Cloudy, then gradually becoming mostly sunny, with a high near 71. Light west northwest wind.
Tonight
Mostly cloudy, with a low around 57. Calm wind becoming south southeast around 6 mph after midnight.
Friday
Mostly cloudy, with a high near 69. South wind around 6 mph becoming calm in the afternoon.
Friday Night
Cloudy, with a low around 56. Light and variable wind.
Saturday
A slight chance of rain between 11am and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 70. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm, then rain after 8pm. Low around 56. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, with a low around 56.
Monday
Partly sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 77.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
South Seattle WA
 47.55°N 122.27°W (Elev. 200 ft)
11:26 am PDT Sep 10, 2026
1pm PDT Sep 10, 2026-6pm PDT Sep 16, 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