Severe Thunderstorms, Heavy Rain, And Flash Flooding Likely Over The Central U.S.

Strong to severe thunderstorms capable of damaging winds, large hail, and a few tornadoes will be likely this afternoon into tonight over portions of the Plains to the Midwest. Heavy rainfall will lead to flash flooding, some locally significant from Kansas to Missouri. Across the eastern U.S., much above normal temperatures can be expected. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

Lat: 47.54548°NLon: 122.3147°WElev: 20ft.

NA

59°F

15°C

Humidity 82%
Wind Speed NA
Barometer 30.14 in
Dewpoint 54°F (12°C)
Visibility NA
Last update 21 Sep 6:05 am PDT
Extended Forecast for

Mercer Island WA

  • Today

    Today: Patchy fog before 11am.  Otherwise, partly sunny, with a high near 68. West southwest wind around 6 mph.

    Patchy Fog
    then Partly
    Sunny

    High: 68 °F

  • Tonight

    Tonight: A 30 percent chance of rain after 11pm.  Mostly cloudy, with a low around 59. South wind 3 to 6 mph.

    Chance Rain

    Low: 59 °F

  • Sunday

    Sunday: Rain likely before 11am, then showers after 11am.  High near 65. South wind 6 to 8 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Showers

    High: 65 °F

  • Sunday
    Night

    Sunday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 54. South wind around 7 mph.

    Chance
    Showers

    Low: 54 °F

  • Monday

    Monday: A 20 percent chance of showers.  Mostly cloudy, with a high near 64. South southwest wind around 9 mph.

    Slight Chance
    Showers

    High: 64 °F

  • Monday
    Night

    Monday Night: A 30 percent chance of showers.  Mostly cloudy, with a low around 57.

    Chance
    Showers

    Low: 57 °F

  • Tuesday

    Tuesday: A 30 percent chance of showers.  Mostly cloudy, with a high near 65.

    Chance
    Showers

    High: 65 °F

  • Tuesday
    Night

    Tuesday Night: A slight chance of showers before 11pm.  Mostly cloudy, with a low around 54.

    Slight Chance
    Showers then
    Mostly Cloudy

    Low: 54 °F

  • Wednesday

    Wednesday: A slight chance of showers.  Mostly cloudy, with a high near 64.

    Slight Chance
    Showers

    High: 64 °F

Detailed Forecast

Today
Patchy fog before 11am. Otherwise, partly sunny, with a high near 68. West southwest wind around 6 mph.
Tonight
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 59. South wind 3 to 6 mph.
Sunday
Rain likely before 11am, then showers after 11am. High near 65. South wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 54. South wind around 7 mph.
Monday
A 20 percent chance of showers. Mostly cloudy, with a high near 64. South southwest wind around 9 mph.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 57.
Tuesday
A 30 percent chance of showers. Mostly cloudy, with a high near 65.
Tuesday Night
A slight chance of showers before 11pm. Mostly cloudy, with a low around 54.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 64.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 53.
Thursday
A chance of showers. Partly sunny, with a high near 60.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 51.
Friday
A chance of showers. Partly sunny, with a high near 59.
Click Map For Forecast
Point Forecast:
Mercer Island WA
 47.6°N 122.22°W (Elev. 3 ft)
9:40 am PDT Sep 21, 2019
10am PDT Sep 21, 2019-6pm PDT Sep 27, 2019
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database