Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Clear

59°F

15°C

Humidity 86%
Wind Speed S 5 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 19 Aug 02:53 AM PDT
Extended Forecast for

South Seattle WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 60. Light south wind.

    Low: 60 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 79. South wind around 5 mph becoming light and variable.

    High: 79 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 81. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 81 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. North northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain.  Mostly cloudy, with a high near 72.

    High: 72 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 60. Light south wind.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 79. South wind around 5 mph becoming light and variable.
Wednesday Night
Partly cloudy, with a low around 60. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 81. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 61. North northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 80.
Friday Night
Mostly cloudy, with a low around 60.
Saturday
A chance of rain. Mostly cloudy, with a high near 72.
Saturday Night
Mostly cloudy, with a low around 59.
Sunday
Partly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Partly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
South Seattle WA
 47.55°N 122.3°W (Elev. 200 ft)
11:26 pm PDT Aug 18, 2026
3am PDT Aug 19, 2026-6pm PDT Aug 25, 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