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

39°F

4°C

Humidity 79%
Wind Speed S 5 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 10 Mar 12:53 AM PDT
Extended Forecast for

Mercer Island WA

  • Overnight

    Overnight: A chance of rain and snow, mainly before 2am.  Mostly cloudy, with a low around 35. South wind around 5 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 35 °F

    Chance
    Rain/Snow

  • Tuesday

    Tuesday: A chance of rain and snow before noon, then rain.  High near 47. South wind 6 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 47 °F

    Chance
    Rain/Snow
    then Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 40. South wind 7 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Rain

  • Wednesday

    Wednesday: Rain.  High near 52. South wind 6 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 52 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain.  Low around 42. Southwest wind 15 to 21 mph, with gusts as high as 28 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 42 °F

    Rain

  • Thursday

    Thursday: Rain.  High near 47. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 47 °F

    Rain

  • Thursday Night

    Thursday Night: Rain.  Low around 40. Chance of precipitation is 100%.

    Low: 40 °F

    Rain

  • Friday

    Friday: Rain.  Cloudy, with a high near 46.

    High: 46 °F

    Rain

  • Friday Night

    Friday Night: Rain.  Cloudy, with a low around 38.

    Low: 38 °F

    Rain

Detailed Forecast

Overnight
A chance of rain and snow, mainly before 2am. Mostly cloudy, with a low around 35. South wind around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
A chance of rain and snow before noon, then rain. High near 47. South wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday Night
Rain. Low around 40. South wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. High near 52. South wind 6 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Rain. Low around 42. Southwest wind 15 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Rain. High near 47. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Rain. Low around 40. Chance of precipitation is 100%.
Friday
Rain. Cloudy, with a high near 46.
Friday Night
Rain. Cloudy, with a low around 38.
Saturday
Rain likely, possibly mixed with snow before 11am, then a chance of rain. Mostly cloudy, with a high near 49.
Saturday Night
A chance of rain and snow. Cloudy, with a low around 37.
Sunday
Rain and snow likely. Cloudy, with a high near 51.
Sunday Night
Rain. Cloudy, with a low around 45.
Monday
Rain. Cloudy, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Mercer Island WA
 47.6°N 122.22°W (Elev. 3 ft)
8:01 pm PDT Mar 9, 2026
1am PDT Mar 10, 2026-6pm PDT Mar 16, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database