Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Mostly Cloudy

64°F

18°C

Humidity 52%
Wind Speed WSW 11 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 20 Jun 04:05 PM PDT
Extended Forecast for

2 Miles NW Mercer Island WA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm.  High near 61. West wind around 7 mph.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Showers

  • Tonight

    Tonight: Rain likely and possibly a thunderstorm, then rain after 3am.  Low around 52. Light southeast wind becoming south 8 to 13 mph in the evening.  Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers
    Likely then
    Rain

  • Saturday

    Saturday: Rain, mainly before 10am.  High near 63. South wind 5 to 11 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Rain then
    Chance Rain

  • Saturday Night

    Saturday Night: A 30 percent chance of rain.  Mostly cloudy, with a low around 54. South southeast wind around 6 mph.

    Low: 54 °F

    Chance Rain

  • Sunday

    Sunday: A 20 percent chance of rain before 11am.  Partly sunny, with a high near 71. Light and variable wind becoming south southwest around 5 mph in the afternoon.

    High: 71 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 61. West wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain likely and possibly a thunderstorm, then rain after 3am. Low around 52. Light southeast wind becoming south 8 to 13 mph in the evening. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Rain, mainly before 10am. High near 63. South wind 5 to 11 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 54. South southeast wind around 6 mph.
Sunday
A 20 percent chance of rain before 11am. Partly sunny, with a high near 71. Light and variable wind becoming south southwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Mostly cloudy, with a low around 58.
Wednesday
Partly sunny, with a high near 73.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 58.
Thursday
A chance of rain. Mostly cloudy, with a high near 69.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 56.
Friday
Partly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Mercer Island WA
 47.6°N 122.25°W (Elev. 3 ft)
3:41 pm PDT Jun 20, 2025
4pm PDT Jun 20, 2025-6pm PDT Jun 27, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database