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

Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

smoke

62°F

17°C

Humidity 77%
Wind Speed S 4 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 26 Aug 06:53 AM PDT
Extended Forecast for

South Seattle WA

  • Today

    Today: Mostly sunny, with a high near 80. South southwest wind 3 to 7 mph.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 60. West southwest wind around 6 mph becoming calm.

    Low: 60 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 75. South wind 6 to 11 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 58. South wind 5 to 11 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 74. South wind 3 to 5 mph.

    High: 74 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 73.

    High: 73 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 80. South southwest wind 3 to 7 mph.
Tonight
Increasing clouds, with a low around 60. West southwest wind around 6 mph becoming calm.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 75. South wind 6 to 11 mph.
Thursday Night
Increasing clouds, with a low around 58. South wind 5 to 11 mph.
Friday
Partly sunny, with a high near 74. South wind 3 to 5 mph.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 57.
Saturday
A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Partly sunny, with a high near 74.
Monday Night
A chance of rain. Mostly cloudy, with a low around 56.
Tuesday
A chance of rain. Mostly cloudy, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Seattle WA
 47.54°N 122.33°W (Elev. 33 ft)
Last Update:
11:26 pm PDT Aug 25, 2026
Forecast Valid:
7am PDT Aug 26, 2026-6pm PDT Sep 1, 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