Severe Thunderstorms and Heavy Rainfall Across the South; Heat Spreads Across the West and Southern Plains

A couple of frontal boundaries will move east and south from the Plains to the Gulf and Atlantic coastlines. These boundaries will focus showers and thunderstorms through the weekend, with scattered severe thunderstorms from the Southern Plains and across the Gulf Coast states. Locally heavy rainfall may also occur, which may be welcome news across drought areas. Meanwhile, heat spreads westward. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Clear

52°F

11°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 09 May 05:30 AM PDT
Extended Forecast for

Mercer Island WASimilar City Names

  • Today

    Today: Mostly sunny, with a high near 73. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. Light and variable wind.

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 71. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 71 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 53 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 72. Light northeast wind becoming north 5 to 9 mph in the morning.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain before 11am.  Partly sunny, with a high near 75.

    High: 75 °F

    Slight Chance
    Rain then
    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 73. Calm wind becoming northwest around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 52. Light and variable wind.
Sunday
Mostly cloudy, with a high near 71. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 53. Northwest wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 72. Light northeast wind becoming north 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Partly sunny, with a high near 78.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
A slight chance of rain before 11am. Partly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
A slight chance of rain. Partly sunny, with a high near 71.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 52.
Friday
A chance of rain. Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Mercer Island WASimilar City Names
 47.58°N 122.22°W (Elev. 118 ft)
11:26 pm PDT May 8, 2026
5am PDT May 9, 2026-6pm PDT May 15, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database