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

Heavy Rainfall Across the Lower Mississippi Valley and Gulf Coast; Storm System Impacting the Northwest

Periods of heavy rainfall are expected across the Lower Mississippi Valley and Gulf Coast Friday. A Slight Risk (level 2 of 4) of Excessive Rainfall has been issued for portions of the Texas and Louisiana coast. A strong Pacific storm will impact the Pacific Northwest and Great Basin Friday through the weekend, bringing high elevation snow, lower elevation rain, and strong winds. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Overcast

59°F

15°C

Humidity 53%
Wind Speed WSW 11 MPH
Barometer 29.73 in (1006.77 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 03 May 07:53 PM PDT
Extended Forecast for

Mercer Island WA

  • Tonight

    Tonight: A 50 percent chance of rain. Cloudy, with a low around 51. West southwest wind around 5 mph becoming light and variable in the evening.

    Low: 51 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely, mainly after 1pm. Cloudy, with a steady temperature around 54. Light and variable wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Showers likely, mainly before 11pm. Cloudy, with a low around 47. South wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 11am. Cloudy, with a high near 53. South wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers. Low around 48. South southwest wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. High near 56. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 56 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Partly sunny, with a high near 59.

    High: 59 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of rain. Cloudy, with a low around 51. West southwest wind around 5 mph becoming light and variable in the evening.
Saturday
Rain likely, mainly after 1pm. Cloudy, with a steady temperature around 54. Light and variable wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Showers likely, mainly before 11pm. Cloudy, with a low around 47. South wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers likely, mainly after 11am. Cloudy, with a high near 53. South wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers. Low around 48. South southwest wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, with thunderstorms also possible after 11am. High near 56. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Tuesday
A chance of showers. Partly sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Partly sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 75.
Click Map For Forecast
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ABOUT THIS FORECAST

 
Point Forecast:
Mercer Island WA
 47.58°N 122.22°W (Elev. 118 ft)
Last Update:
3:40 pm PDT May 3, 2024
Forecast Valid:
8pm PDT May 3, 2024-6pm PDT May 10, 2024
 
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