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

Areas of Heavy Rainfall and Heat Early This Week

Excessive rainfall may produce locally considerable flash flooding over parts of South Texas, the western Gulf Coast, and lower Mississippi River Valley today into Thursday. Rainfall totals of 5 to 10 inches are expected. Hot temperatures may cause heat illnesses over central and northern California and the Pacific Northwest through Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Clear

90°F

32°C

Humidity 27%
Wind Speed WNW 8 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 15 Jun 02:00 PM PDT
Extended Forecast for

South Seattle WA

Heat Advisory June 15, 02:23pm until June 16, 05:00am
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 15, 02:23pm until June 16, 05:00am

    NOW until 5:00am Tue

    Heat Advisory

  • This Afternoon

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. North northeast wind 5 to 8 mph becoming calm after midnight.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 76. Calm wind becoming north 5 to 8 mph in the afternoon.

    High: 76 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55. North northeast wind 5 to 8 mph becoming calm in the evening.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 75. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 90. Northwest wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 61. North northeast wind 5 to 8 mph becoming calm after midnight.
Tuesday
Increasing clouds, with a high near 76. Calm wind becoming north 5 to 8 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 55. North northeast wind 5 to 8 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 75. Calm wind becoming north northwest around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 55.
Thursday
Sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 58.
Juneteenth
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Seattle WA
 47.55°N 122.3°W (Elev. 200 ft)
Last Update:
12:25 pm PDT Jun 15, 2026
Forecast Valid:
2pm PDT Jun 15, 2026-6pm PDT Jun 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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