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Severe Thunderstorms in the Central U.S.; Record Temperatures Likely for Eastern U.S.

Several rounds of severe thunderstorms and heavy rain are forecast from the southern Plains to the Midwest through Friday. Large hail, damaging wind gusts, and tornadoes are possible. A significant warm-up is expected for much of the Eastern U.S. into next week. Several daily record temperature records are likely to be broken. Fire weather concerns will return to the central/southern High Plains. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Overcast

47°F

8°C

Humidity 83%
Wind Speed S 8 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 05 Mar 12:53 AM PST
Extended Forecast for

Mercer Island WA

  • Overnight

    Overnight: A 50 percent chance of rain. Mostly cloudy, with a low around 45. South southeast wind around 5 mph.

    Low: 45 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 51. South wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain. Low around 45. South wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Rain

  • Friday

    Friday: Rain. High near 53. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Rain

  • Friday Night

    Friday Night: Rain. Low around 50. South wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Rain then
    Rain Likely

  • Saturday

    Saturday: Rain likely. Cloudy, with a high near 55. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Rain likely. Cloudy, with a low around 50. Chance of precipitation is 70%.

    Low: 50 °F

    Rain Likely

  • Sunday

    Sunday: Rain. Cloudy, with a high near 54.

    High: 54 °F

    Rain

  • Sunday Night

    Sunday Night: Rain before 4am, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Rain then
    Rain/Snow
    Likely

Detailed Forecast

Overnight
A 50 percent chance of rain. Mostly cloudy, with a low around 45. South southeast wind around 5 mph.
Thursday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 51. South wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain. Low around 45. South wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain. High near 53. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain. Low around 50. South wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely. Cloudy, with a high near 55. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain likely. Cloudy, with a low around 50. Chance of precipitation is 70%.
Sunday
Rain. Cloudy, with a high near 54.
Sunday Night
Rain before 4am, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 40.
Monday
Rain likely, possibly mixed with snow before 10am, then rain. Mostly cloudy, with a high near 48.
Monday Night
Rain and snow. Mostly cloudy, with a low around 37.
Tuesday
Rain and snow. Mostly cloudy, with a high near 47.
Tuesday Night
Rain, possibly mixed with snow. Mostly cloudy, with a low around 38.
Wednesday
Rain, possibly mixed with snow. Cloudy, with a high near 48.
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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:
7:01 pm PST Mar 4, 2026
Forecast Valid:
1am PST Mar 5, 2026-6pm PDT Mar 11, 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