Severe Weather and Flooding Threats for the Central U.S.; Dangerous Heat in the Southern and Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. over the next couple of days, with multiple rounds of thunderstorms expected. Dangerous heat will persist across the southern and western U.S. through mid-week. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, where dry thunderstorms may spark additional wildfires. Read More >

Hazardous Weather Conditions

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Clear

72°F

22°C

Humidity 53%
Wind Speed SE 3 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 24 Jun 08:35 AM PDT
Extended Forecast for

Mercer Island WASimilar City Names

Heat Advisory June 24, 08:46am until June 24, 11:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 24, 08:46am until June 24, 11:00pm

    NOW until 11:00pm Wed

    Heat Advisory

  • Today

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 59. West wind around 6 mph becoming light and variable.

    Low: 59 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy, with a high near 71. South southwest wind around 7 mph.

    High: 71 °F

    Cloudy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 11pm.  Cloudy, with a low around 56. South wind around 7 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Rain Likely

  • Friday

    Friday: Rain before 11am, then showers and possibly a thunderstorm after 11am.  High near 65. South southwest wind 7 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 8pm, then rain, mainly after 8pm.  Low around 52. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers

  • Saturday

    Saturday: Rain likely, mainly before 11am.  Mostly cloudy, with a high near 65. Chance of precipitation is 60%.

    High: 65 °F

    Rain Likely

  • Saturday Night

    Saturday Night: A slight chance of rain.  Mostly cloudy, with a low around 53.

    Low: 53 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 90. Light and variable wind.
Tonight
Increasing clouds, with a low around 59. West wind around 6 mph becoming light and variable.
Thursday
Cloudy, with a high near 71. South southwest wind around 7 mph.
Thursday Night
Rain likely, mainly after 11pm. Cloudy, with a low around 56. South wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 65. South southwest wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 8pm, then rain, mainly after 8pm. Low around 52. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 53.
Sunday
A slight chance of rain before 11am. Mostly cloudy, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 54.
Monday
Mostly cloudy, with a high near 67.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
Mostly cloudy, with a high near 68.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Mercer Island WASimilar City Names
 47.58°N 122.22°W (Elev. 118 ft)
12:35 am PDT Jun 24, 2026
8am PDT Jun 24, 2026-6pm PDT Jun 30, 2026
 
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