Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Overcast

43°F

6°C

Humidity 65%
Wind Speed SSW 6 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 20 Feb 02:35 PM PST
Extended Forecast for

Mercer Island WA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 45. Light south wind.

    High: 45 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of rain before 1am, then a slight chance of rain and snow after 5am.  Mostly cloudy, with a low around 37. Light east wind.  Chance of precipitation is 20%.

    Low: 37 °F

    Cloudy then
    Slight Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 10am, then rain.  High near 49. East southeast wind around 6 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 49 °F

    Chance
    Rain/Snow
    then Rain

  • Saturday Night

    Saturday Night: Rain likely.  Cloudy, with a low around 44. East southeast wind around 7 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain Likely

  • Sunday

    Sunday: Rain.  High near 53. South southeast wind around 7 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Rain

  • Sunday Night

    Sunday Night: Rain.  Low around 43. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain

  • Monday

    Monday: Rain.  High near 51. Chance of precipitation is 100%.

    High: 51 °F

    Rain

  • Monday Night

    Monday Night: Rain.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Rain

  • Tuesday

    Tuesday: Rain.  Mostly cloudy, with a high near 51.

    High: 51 °F

    Rain

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 45. Light south wind.
Tonight
A slight chance of rain before 1am, then a slight chance of rain and snow after 5am. Mostly cloudy, with a low around 37. Light east wind. Chance of precipitation is 20%.
Saturday
A chance of rain and snow before 10am, then rain. High near 49. East southeast wind around 6 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday Night
Rain likely. Cloudy, with a low around 44. East southeast wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 53. South southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain. Low around 43. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain. High near 51. Chance of precipitation is 100%.
Monday Night
Rain. Mostly cloudy, with a low around 43.
Tuesday
Rain. Mostly cloudy, with a high near 51.
Tuesday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 40.
Wednesday
Rain likely. Mostly cloudy, with a high near 51.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 40.
Thursday
Rain. Mostly cloudy, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Mercer Island WA
 47.6°N 122.22°W (Elev. 3 ft)
1:26 pm PST Feb 20, 2026
2pm PST Feb 20, 2026-6pm PST Feb 26, 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