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

55°F

13°C

Humidity 76%
Wind Speed N 0 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 10 May 02:35 AM PDT
Extended Forecast for

Mercer Island WASimilar City Names

  • Overnight

    Overnight: Mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 68. Calm wind becoming west around 6 mph in the afternoon.

    High: 68 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 8pm.  Mostly cloudy, with a low around 53. North wind around 6 mph becoming calm  in the evening.

    Low: 53 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 72. Light north 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 52. North wind 5 to 9 mph becoming light north northeast  after midnight.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after 11pm.  Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain before 11am.  Partly sunny, with a high near 74.

    High: 74 °F

    Chance Rain
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 52. Calm wind.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 68. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
A 20 percent chance of rain before 8pm. Mostly cloudy, with a low around 53. North wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 72. Light north northeast wind becoming north 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 52. North wind 5 to 9 mph becoming light north northeast after midnight.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 56.
Wednesday
A chance of rain before 11am. Partly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
A chance of rain, mainly after 11am. Partly sunny, with a high near 69.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Friday
A slight chance of rain. Partly sunny, with a high near 65.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 49.
Saturday
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 9, 2026
2am PDT May 10, 2026-6pm PDT May 16, 2026
 
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Additional Resources

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