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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Clear

73°F

23°C

Humidity 53%
Wind Speed S 9 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 22 Aug 06:00 PM PDT
Extended Forecast for

2 Miles N Mercer Island WA

  • Tonight

    Tonight: Increasing clouds, with a low around 61. West wind 5 to 7 mph becoming calm.

    Low: 61 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 77. South southwest wind around 5 mph becoming calm in the afternoon.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. North northeast wind 3 to 5 mph.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78. North northwest wind 5 to 9 mph.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. North wind 5 to 8 mph becoming calm after midnight.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 61. West wind 5 to 7 mph becoming calm.
Sunday
Partly sunny, with a high near 77. South southwest wind around 5 mph becoming calm in the afternoon.
Sunday Night
Mostly clear, with a low around 58. North northeast wind 3 to 5 mph.
Monday
Sunny, with a high near 78. North northwest wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 59. North wind 5 to 8 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Partly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
A slight chance of rain. Partly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Partly sunny, with a high near 75.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Mercer Island WA
 47.6°N 122.22°W (Elev. 3 ft)
Last Update:
11:26 am PDT Aug 22, 2026
Forecast Valid:
6pm PDT Aug 22, 2026-6pm PDT Aug 29, 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