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

Heavy Rainfall This Weekend in the Southern Plains and in South Florida; Bering Sea Storm in Alaska

A slow moving front will produce a threat for heavy rainfall and severe weather from New Mexico into the western High Plains through the weekend. Heavy rainfall is also expected this weekend in South Florida. The Bering Sea storm continues to bring heavy precipitation, strong winds, and minor to major coastal flooding through the weekend across western Alaska. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Overcast

52°F

11°C

Humidity 71%
Wind Speed WNW 4 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 23 Oct 10:25 AM PDT
Extended Forecast for

Mercer Island WASimilar City Names

  • Today

    Today: Mostly sunny, with a high near 58. Calm wind becoming north around 5 mph.

    High: 58 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. Light and variable wind.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly cloudy, with a high near 57. Light and variable wind.

    High: 57 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 45. Light and variable wind.

    Low: 45 °F

    Chance Rain

  • Sunday

    Sunday: A 50 percent chance of rain. Mostly cloudy, with a high near 58. Light and variable wind.

    High: 58 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

  • Monday

    Monday: A 20 percent chance of rain. Partly sunny, with a high near 58.

    High: 58 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: A slight chance of rain. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A slight chance of rain after 11am. Mostly cloudy, with a high near 57.

    High: 57 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 58. Calm wind becoming north around 5 mph.
Tonight
Mostly clear, with a low around 41. Light and variable wind.
Saturday
Mostly cloudy, with a high near 57. Light and variable wind.
Saturday Night
A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 45. Light and variable wind.
Sunday
A 50 percent chance of rain. Mostly cloudy, with a high near 58. Light and variable wind.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 45.
Monday
A 20 percent chance of rain. Partly sunny, with a high near 58.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 45.
Tuesday
A slight chance of rain after 11am. Mostly cloudy, with a high near 57.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 44.
Wednesday
A chance of rain. Mostly cloudy, with a high near 57.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 43.
Thursday
A slight chance of rain. Partly sunny, with a high near 57.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mercer Island WASimilar City Names
 47.58°N 122.22°W (Elev. 118 ft)
Last Update:
12:28 am PDT Oct 23, 2026
Forecast Valid:
10am PDT Oct 23, 2026-6pm PDT Oct 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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