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

Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Clear

70°F

21°C

Humidity 49%
Wind Speed N 0 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 18 Jun 10:00 PM PDT
Extended Forecast for

2 Miles NNW Mercer Island WA

  • Tonight

    Tonight: Mostly clear, with a low around 57. North wind around 6 mph becoming calm after midnight.

    Low: 57 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 82. Calm wind becoming north northwest around 5 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 57. Light and variable wind becoming south southwest 5 to 8 mph in the evening.

    Low: 57 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 75. South wind 6 to 10 mph.

    High: 75 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. West southwest wind 6 to 8 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Monday

    Monday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 57. North wind around 6 mph becoming calm after midnight.
Juneteenth
Sunny, with a high near 82. Calm wind becoming north northwest around 5 mph.
Friday Night
Increasing clouds, with a low around 57. Light and variable wind becoming south southwest 5 to 8 mph in the evening.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 75. South wind 6 to 10 mph.
Saturday Night
Mostly clear, with a low around 55. West southwest wind 6 to 8 mph.
Sunday
Sunny, with a high near 80.
Sunday Night
Clear, with a low around 58.
Monday
Mostly sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Mercer Island WA
 47.6°N 122.25°W (Elev. 3 ft)
Last Update:
11:26 am PDT Jun 18, 2026
Forecast Valid:
10pm PDT Jun 18, 2026-6pm PDT Jun 25, 2026
 
Forecast Discussion
 
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Additional Resources

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