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

Critical Fire Weather in the High Plains; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Rain

39°F

4°C

Humidity 80%
Wind Speed SE 10 MPH
Barometer 29.56 in (1001.02 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 17 Feb 07:00 PM PST
Extended Forecast for

Mercer Island WA

  • Tonight

    Tonight: A chance of rain showers before 10pm, then rain and snow showers likely. Mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: A chance of rain and snow showers before noon, then rain showers likely. Mostly cloudy, with a high near 44. Light south wind. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain showers before 10pm, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 31. Calm wind. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Rain/Snow
    then Slight
    Chance
    Rain/Snow

  • Thursday

    Thursday: A slight chance of rain and snow showers. Mostly sunny, with a high near 43. North northwest wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A 10 percent chance of snow after 4am. Partly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Friday

    Friday: A chance of rain and snow before 1pm, then a chance of rain. Partly sunny, with a high near 45. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 45 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 35 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 10am, then a chance of rain. Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

Detailed Forecast

Tonight
A chance of rain showers before 10pm, then rain and snow showers likely. Mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow showers before noon, then rain showers likely. Mostly cloudy, with a high near 44. Light south wind. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
A chance of rain showers before 10pm, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 31. Calm wind. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday
A slight chance of rain and snow showers. Mostly sunny, with a high near 43. North northwest wind 3 to 6 mph. Chance of precipitation is 20%.
Thursday Night
A 10 percent chance of snow after 4am. Partly cloudy, with a low around 28. Calm wind.
Friday
A chance of rain and snow before 1pm, then a chance of rain. Partly sunny, with a high near 45. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday Night
A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday
A chance of rain and snow before 10am, then a chance of rain. Mostly cloudy, with a high near 51.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 40.
Sunday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 54.
Sunday Night
Rain likely. Mostly cloudy, with a low around 40.
Monday
Rain likely. Mostly cloudy, with a high near 52.
Monday Night
Rain likely. Mostly cloudy, with a low around 39.
Tuesday
Rain likely. Mostly cloudy, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mercer Island WA
 47.6°N 122.22°W (Elev. 3 ft)
Last Update:
7:02 pm PST Feb 17, 2026
Forecast Valid:
7pm PST Feb 17, 2026-6pm PST Feb 24, 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