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Heavy Snow in the Sierra Nevada; Heavy Rainfall in Texas Sunday

Heavy snow is expected in the Sierra Nevada mountain ranges into Saturday causing hazardous travel conditions. Winter Storm Warnings have been issued. Thunderstorms and moderate to heavy rainfall are expected across portions of eastern Texas into Louisiana on Sunday. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Partly Cloudy

57°F

14°C

Humidity 67%
Wind Speed SE 11 MPH
Barometer 29.68 in (1005.08 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 14 Nov 12:10 PM PST
Extended Forecast for

Mercer Island WA

  • This Afternoon

    This Afternoon: A 50 percent chance of rain before 4pm. Mostly cloudy, with a high near 57. South southeast wind around 8 mph.

    High: 57 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly between 10pm and 1am. Steady temperature around 55. Southeast wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Rain then
    Rain Likely

  • Sunday

    Sunday: Rain. High near 56. South wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Rain

  • Sunday Night

    Sunday Night: A chance of rain before 11pm, then a chance of rain after 2am. Mostly cloudy, with a low around 47. South southeast wind around 7 mph. Chance of precipitation is 30%.

    Low: 47 °F

    Chance Rain

  • Monday

    Monday: A 50 percent chance of rain, mainly before 4pm. Partly sunny, with a high near 53. South wind around 6 mph.

    High: 53 °F

    Chance Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

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

    High: 51 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
A 50 percent chance of rain before 4pm. Mostly cloudy, with a high near 57. South southeast wind around 8 mph.
Tonight
Rain, mainly between 10pm and 1am. Steady temperature around 55. Southeast wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 56. South wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A chance of rain before 11pm, then a chance of rain after 2am. Mostly cloudy, with a low around 47. South southeast wind around 7 mph. Chance of precipitation is 30%.
Monday
A 50 percent chance of rain, mainly before 4pm. Partly sunny, with a high near 53. South wind around 6 mph.
Monday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
A slight chance of rain. Mostly cloudy, with a high near 51.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
Partly sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mercer Island WA
 47.58°N 122.25°W (Elev. 105 ft)
Last Update:
11:55 am PST Nov 14, 2026
Forecast Valid:
12pm PST Nov 14, 2026-6pm PST Nov 20, 2026
 
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Additional Resources

Radar & Satellite Image

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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