Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Overcast

48°F

9°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 31 Jan 06:53 AM PST
Extended Forecast for

Mercer Island WA

  • Today

    Today: A 50 percent chance of rain, mainly before 9am.  Mostly cloudy, with a high near 60. Calm wind.

    High: 60 °F

    Chance Rain
    then Partly
    Sunny

  • Tonight

    Tonight: A 50 percent chance of rain, mainly after 2am.  Increasing clouds, with a low around 46. Light south southeast wind.

    Low: 46 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Rain.  High near 54. South wind 6 to 8 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Rain

  • Sunday Night

    Sunday Night: Rain, mainly before 10pm.  Low around 46. South wind around 7 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Rain then
    Chance Rain

  • Monday

    Monday: Rain, mainly before 4pm.  High near 53. South southeast wind around 6 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Rain

  • Monday Night

    Monday Night: A 50 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

Detailed Forecast

Today
A 50 percent chance of rain, mainly before 9am. Mostly cloudy, with a high near 60. Calm wind.
Tonight
A 50 percent chance of rain, mainly after 2am. Increasing clouds, with a low around 46. Light south southeast wind.
Sunday
Rain. High near 54. South wind 6 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain, mainly before 10pm. Low around 46. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain, mainly before 4pm. High near 53. South southeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 50 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 46.
Tuesday
Mostly cloudy, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 46.
Wednesday
Partly sunny, with a high near 62.
Wednesday Night
Mostly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Mercer Island WA
 47.6°N 122.22°W (Elev. 3 ft)
3:23 am PST Jan 31, 2026
7am PST Jan 31, 2026-6pm PST Feb 6, 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