National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

A Couple of Fast Moving Storms Affecting Areas Along and East of the Rockies

A couple of storm systems will impact travel conditions through the first half of this weekend. Heavy snow from the mountains of the West will move into the upper Midwest and upper Great Lakes through tonight. Record warmth and Gulf moisture along and east of the Mississippi River will fuel severe thunderstorms, heavy rainfall, fog for the Tennessee Valley and deep South on Friday into Saturday. 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 86%
Wind Speed S 3 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 08 Jan 03:30 AM PST
Extended Forecast for

2 Miles NW Mercer Island WA

  • Overnight

    Overnight: A 50 percent chance of showers. Mostly cloudy, with a low around 38. South southwest wind around 6 mph.

    Low: 38 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly between noon and 4pm. Mostly cloudy, with a high near 46. South southwest wind 9 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers, mainly between 8pm and 3am. Mostly cloudy, with a low around 43. South wind around 6 mph.

    Low: 43 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers before 10am. Mostly cloudy, with a high near 50. South wind around 7 mph.

    High: 50 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40. Light southeast wind.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely. Mostly cloudy, with a high near 49.

    High: 49 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Rain Likely

Detailed Forecast

Overnight
A 50 percent chance of showers. Mostly cloudy, with a low around 38. South southwest wind around 6 mph.
Thursday
Showers likely, mainly between noon and 4pm. Mostly cloudy, with a high near 46. South southwest wind 9 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 50 percent chance of showers, mainly between 8pm and 3am. Mostly cloudy, with a low around 43. South wind around 6 mph.
Friday
A 20 percent chance of showers before 10am. Mostly cloudy, with a high near 50. South wind around 7 mph.
Friday Night
Mostly cloudy, with a low around 40. Light southeast wind.
Saturday
Mostly cloudy, with a high near 50.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 43.
Sunday
Rain likely. Mostly cloudy, with a high near 49.
Sunday Night
Rain likely. Mostly cloudy, with a low around 47.
Monday
Rain likely, mainly before 10am. Cloudy, with a high near 54.
Monday Night
A chance of rain. Mostly cloudy, with a low around 50.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
A slight chance of rain. Partly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Mercer Island WA
 47.6°N 122.25°W (Elev. 3 ft)
Last Update:
1:25 am PST Jan 8, 2026
Forecast Valid:
3am PST Jan 8, 2026-6pm PST Jan 14, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation