Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Overcast

64°F

18°C

Humidity 72%
Wind Speed S 8 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 28 Jul 02:00 AM PDT
Extended Forecast for

South Seattle WA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 63. South wind around 8 mph.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 75. South wind 9 to 11 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 58. West southwest wind around 6 mph becoming calm  in the evening.

    Low: 58 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 76. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 76 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. North wind 5 to 7 mph becoming calm  after midnight.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

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

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 63. South wind around 8 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 75. South wind 9 to 11 mph.
Tuesday Night
Increasing clouds, with a low around 58. West southwest wind around 6 mph becoming calm in the evening.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 76. Calm wind becoming north northwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 56. North wind 5 to 7 mph becoming calm after midnight.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
A slight chance of rain. Partly cloudy, with a low around 57.
Sunday
A slight chance of rain. Partly sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 76.
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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 Jul 27, 2026
2am PDT Jul 28, 2026-6pm PDT Aug 3, 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