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Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Partly Cloudy

73°F

23°C

Humidity 39%
Wind Speed W 8 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 06 Sep 03:53 PM PDT
Extended Forecast for

2 Miles NW Mercer Island WA

  • Tonight

    Tonight: Increasing clouds, with a low around 58. Calm wind becoming south around 6 mph after midnight.

    Low: 58 °F

    Increasing
    Clouds

  • Labor Day

    Labor Day: Mostly cloudy, with a high near 69. South wind 5 to 7 mph becoming calm in the afternoon.

    High: 69 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 72. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 72 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. North wind 3 to 7 mph.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Thursday Night

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

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 58. Calm wind becoming south around 6 mph after midnight.
Labor Day
Mostly cloudy, with a high near 69. South wind 5 to 7 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 56. Calm wind.
Tuesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 72. Calm wind becoming north 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 56. North wind 3 to 7 mph.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Partly sunny, with a high near 73.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
Partly sunny, with a high near 70.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
A slight chance of rain. Mostly clear, with a low around 56.
Sunday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Mercer Island WA
 47.6°N 122.25°W (Elev. 3 ft)
Last Update:
3:20 pm PDT Sep 6, 2026
Forecast Valid:
4pm PDT Sep 6, 2026-6pm PDT Sep 13, 2026
 
Forecast Discussion
 
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Additional Resources

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