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

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Mostly Cloudy

46°F

8°C

Humidity 51%
Wind Speed SE 4 MPH
Barometer 29.51 in (999.32 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 17 Feb 03:53 PM PST
Extended Forecast for

Mercer Island WA

  • This Afternoon

    This Afternoon: A 30 percent chance of showers. Partly sunny, with a high near 46. Calm wind.

    High: 46 °F

    Chance
    Showers

  • 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.

    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.

    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

Detailed Forecast

This Afternoon
A 30 percent chance of showers. Partly sunny, with a high near 46. Calm wind.
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.
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.
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. 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:
1:26 pm PST Feb 17, 2026
Forecast Valid:
4pm 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