Severe Thunderstorm, Flooding, and Winter Weather Threats on Tuesday

Scattered severe thunderstorms are forecast Tuesday from the southern Plains into the southern Great Lakes vicinity. Thunderstorms may also produce heavy to excessive rain that could pose a flooding threat from central Texas into southern Oklahoma and northern Missouri into southern Michigan. A heavy wintry mix is forecast for the Great Lakes into northern Maine. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Overcast

37°F

3°C

Humidity 81%
Wind Speed SE 9 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 10 Mar 06:53 AM PDT
Extended Forecast for

Mercer Island WA

  • Today

    Today: A chance of rain and snow showers before 11am, then rain.  High near 46. South southwest wind 8 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 46 °F

    Chance
    Rain/Snow
    then Rain

  • Tonight

    Tonight: Rain.  Low around 40. South wind 9 to 13 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Rain

  • Wednesday

    Wednesday: Rain.  High near 52. Light south wind increasing to 5 to 10 mph in the morning.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain before 2am, then showers after 2am.  Low around 42. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 36 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain and
    Breezy

  • Thursday

    Thursday: Showers before 11am, then rain after 11am.  High near 47. South southwest wind 7 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Showers

  • Thursday Night

    Thursday Night: Rain.  Low around 38. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 38 °F

    Rain

  • Friday

    Friday: Rain.  High near 45. Chance of precipitation is 100%.

    High: 45 °F

    Rain

  • Friday Night

    Friday Night: Rain.  Mostly cloudy, with a low around 35.

    Low: 35 °F

    Rain

  • Saturday

    Saturday: A chance of rain before 11am, then a chance of showers after 11am.  Partly sunny, with a high near 48.

    High: 48 °F

    Chance Rain

Detailed Forecast

Today
A chance of rain and snow showers before 11am, then rain. High near 46. South southwest wind 8 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
Rain. Low around 40. South wind 9 to 13 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. High near 52. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain before 2am, then showers after 2am. Low around 42. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers before 11am, then rain after 11am. High near 47. South southwest wind 7 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 38. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Rain. High near 45. Chance of precipitation is 100%.
Friday Night
Rain. Mostly cloudy, with a low around 35.
Saturday
A chance of rain before 11am, then a chance of showers after 11am. Partly sunny, with a high near 48.
Saturday Night
A slight chance of rain and snow showers after 11pm. Mostly cloudy, with a low around 35.
Sunday
Rain likely. Cloudy, with a high near 50.
Sunday Night
Rain likely. Cloudy, with a low around 42.
Monday
Rain likely. Cloudy, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
Mercer Island WA
 47.6°N 122.22°W (Elev. 3 ft)
2:50 am PDT Mar 10, 2026
7am PDT Mar 10, 2026-6pm PDT Mar 16, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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