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

Great Lakes Snow through Friday; High Winds in the Northern and Central Plains

A clipper storm will drop south from Canada today bringing wintry weather from the Upper Midwest to the Great Lakes through Friday. This system is expected to bring strong northerly winds to much of the northern and central High Plains this afternoon through Friday, with gusts up to 60 mph expected. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Overcast

50°F

10°C

Humidity 76%
Wind Speed NNE 5 MPH
Barometer 30.51 in (1033.19 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 15 Jan 12:20 PM PST
Extended Forecast for

Mercer Island WA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 51. North wind around 8 mph.

    High: 51 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 40. North northeast wind around 6 mph.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 52. North northeast wind around 6 mph.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. Northeast wind around 5 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 53. Light north northeast wind.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 51.

    High: 51 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 51. North wind around 8 mph.
Tonight
Partly cloudy, with a low around 40. North northeast wind around 6 mph.
Friday
Sunny, with a high near 52. North northeast wind around 6 mph.
Friday Night
Mostly clear, with a low around 40. Northeast wind around 5 mph.
Saturday
Sunny, with a high near 53. Light north northeast wind.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 39.
M.L.King Day
Sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly cloudy, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mercer Island WA
 47.58°N 122.25°W (Elev. 105 ft)
Last Update:
7:01 am PST Jan 15, 2026
Forecast Valid:
12pm PST Jan 15, 2026-6pm PST Jan 21, 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