Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East; Severe Storm Threat in the Gulf States Sunday

A significant winter storm is underway, bringing widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Extremely cold air will follow, prolonging dangerous travel and infrastructure impacts into next week. Severe thunderstorms may produce damaging gusts and tornadoes across the eastern Gulf Coast states Sunday morning and afternoon. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Clear

27°F

-3°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 25°F (-4°C)
Visibility 7.00 mi
Last update 25 Jan 05:00 AM PST
Extended Forecast for

Mercer Island WA

Cold Weather Advisory January 25, 05:27am until January 25, 09:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory January 25, 05:27am until January 25, 09:00am

    NOW until 9:00am Sun

    Cold Weather Advisory

  • Today

    High: 46 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 29. Calm wind.

    Low: 29 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 48. Light south southeast wind.

    High: 48 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 53. Calm wind.

    High: 53 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after 10pm.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain.  Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 10pm.  Mostly cloudy, with a low around 44.

    Low: 44 °F

    Rain Likely

Detailed Forecast

Today
Mostly sunny, with a high near 46. Calm wind.
Tonight
Increasing clouds, with a low around 29. Calm wind.
Monday
Mostly cloudy, with a high near 48. Light south southeast wind.
Monday Night
Mostly cloudy, with a low around 38. Calm wind.
Tuesday
Mostly cloudy, with a high near 53. Calm wind.
Tuesday Night
A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 40.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 51.
Wednesday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 44.
Thursday
Rain likely. Mostly cloudy, with a high near 53.
Thursday Night
Rain likely. Mostly cloudy, with a low around 47.
Friday
Rain likely. Mostly cloudy, with a high near 56.
Friday Night
A chance of rain. Mostly cloudy, with a low around 45.
Saturday
A chance of rain. Mostly cloudy, with a high near 56.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Mercer Island WA
 47.6°N 122.22°W (Elev. 3 ft)
1:26 am PST Jan 25, 2026
5am PST Jan 25, 2026-6pm PST Jan 31, 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