Tropical Storm Edouard Impacting the Northwestern Gulf Coast; Hazardous Heat expands in the East

Tropical Storm Edouard will impact the northwestern Gulf Coast through Wednesday with gusty winds, storm surge, and heavy rainfall. Flash and river flooding will be possible, especially in southeastern Texas. Hazardous heat will expand across the central and eastern U.S. by mid-week, and daily chances for severe thunderstorms are expected from the eastern Great Lakes to the Mid-Atlantic this week. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Overcast

60°F

16°C

Humidity 83%
Wind Speed SSE 4 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 02 Sep 03:53 AM PDT
Extended Forecast for

Mercer Island WA

  • Today

    Today: Rain, mainly after 1pm.  High near 70. South wind 5 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 70 °F

    Chance Rain
    then Rain

  • Tonight

    Tonight: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 55. South wind 6 to 9 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly after 11am.  Mostly cloudy, with a high near 68. Southeast wind around 5 mph becoming light and variable.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of rain, mainly before 11pm.  Mostly cloudy, with a low around 54. Light and variable wind.

    Low: 54 °F

    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain, mainly before 11am.  Partly sunny, with a high near 69. Light and variable wind.

    High: 69 °F

    Chance Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain before 11pm.  Mostly cloudy, with a low around 54.

    Low: 54 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain after 11am.  Mostly sunny, with a high near 71.

    High: 71 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Today
Rain, mainly after 1pm. High near 70. South wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 55. South wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 68. Southeast wind around 5 mph becoming light and variable. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 54. Light and variable wind.
Friday
A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 69. Light and variable wind.
Friday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 54.
Saturday
A 20 percent chance of rain after 11am. Mostly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 57.
Labor Day
A chance of rain. Partly sunny, with a high near 72.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 58.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Mercer Island WA
 47.58°N 122.22°W (Elev. 118 ft)
11:26 pm PDT Sep 1, 2026
4am PDT Sep 2, 2026-6pm PDT Sep 8, 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