Tracking Two Storms Impacting the Central and Eastern U.S. Through This Weekend

Two storm systems will track through the central and eastern U.S. through this weekend with areas of gusty winds, rain, and heavy snow. Severe thunderstorms are forecast Friday from the central Gulf Coast into parts of the lower Mississippi, Tennessee and Ohio Valleys. Heavy to excessive rainfall is forecast from the lower Mississippi River Valley to the Tennessee Valley which may bring flooding. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Overcast

45°F

7°C

Humidity 81%
Wind Speed S 9 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 08 Jan 05:55 PM PST
Extended Forecast for

Mercer Island WA

  • Tonight

    Tonight: A 40 percent chance of rain, mainly between 8pm and 2am.  Mostly cloudy, with a low around 43. South wind around 7 mph.

    Low: 43 °F

    Chance Rain

  • Friday

    Friday: Mostly cloudy, with a high near 50. South wind 3 to 7 mph.

    High: 50 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 50. South southeast wind around 6 mph.

    High: 50 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 44. South southeast wind around 6 mph.

    Low: 44 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, mainly after 10am.  Cloudy, with a high near 50. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain.  Low around 47. Chance of precipitation is 80%.

    Low: 47 °F

    Rain

  • Monday

    Monday: Rain, mainly before 10am.  Cloudy, with a high near 54.

    High: 54 °F

    Rain

  • Monday Night

    Monday Night: A chance of rain, mainly before 4am.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance Rain

Detailed Forecast

Tonight
A 40 percent chance of rain, mainly between 8pm and 2am. Mostly cloudy, with a low around 43. South wind around 7 mph.
Friday
Mostly cloudy, with a high near 50. South wind 3 to 7 mph.
Friday Night
Mostly cloudy, with a low around 41. Calm wind becoming south southeast around 5 mph after midnight.
Saturday
Mostly cloudy, with a high near 50. South southeast wind around 6 mph.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 44. South southeast wind around 6 mph.
Sunday
Rain likely, mainly after 10am. Cloudy, with a high near 50. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain. Low around 47. Chance of precipitation is 80%.
Monday
Rain, mainly before 10am. Cloudy, with a high near 54.
Monday Night
A chance of rain, mainly before 4am. Mostly cloudy, with a low around 51.
Tuesday
A slight chance of rain before 10am. Mostly cloudy, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 46.
Wednesday
Partly sunny, with a high near 54.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Mercer Island WA
 47.58°N 122.25°W (Elev. 105 ft)
1:25 pm PST Jan 8, 2026
6pm PST Jan 8, 2026-6pm PST Jan 15, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database