
Critical Fire Weather Conditions in the Plains; Increasing Severe Weather Chances for the Plains and Upper Midwest
A strengthening storm system will bring impactful weather to the much of Central U.S. over the next couple of days, including heavy snow in the northern Rockies, Critical fire weather conditions for portions of the Plains, and increasing severe weather chances from the central/southern Plains to the Upper Midwest. Read More >
Current conditions at
Boeing Field - King County International Airport (KBFI)
Lat: 47.54548°NLon: 122.3147°WElev: 20.0ft.
Overcast
50°F
10°C
| Humidity | 66% |
| Wind Speed | S 8 MPH |
| Barometer | 30.16 in (1021.34 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 47°F (8°C) |
| Last update | 23 Apr 12:20 AM PDT |
Extended Forecast for
Mercer Island WA
Overnight

Low: 48 °F
Mostly Cloudy
Thursday

High: 61 °F
Gradual
ClearingThursday Night

Low: 45 °F
Mostly Clear
Friday

High: 63 °F
Sunny
Friday Night

Low: 44 °F
Mostly Clear
Saturday

High: 64 °F
Sunny
Saturday Night

Low: 45 °F
Mostly Clear
Sunday

High: 68 °F
Sunny
Sunday Night

Low: 47 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly cloudy, with a low around 48. South wind 7 to 10 mph.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 61. South wind around 6 mph becoming light and variable.
Thursday Night
Mostly clear, with a low around 45. Light northeast wind.
Friday
Sunny, with a high near 63. Light north wind increasing to 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 44. North northwest wind 6 to 11 mph becoming light north northeast in the evening.
Saturday
Sunny, with a high near 64.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 47.
Monday
Mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 70.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mercer Island WA
47.58°N 122.25°W (Elev. 105 ft)
47.58°N 122.25°W (Elev. 105 ft)
12:35 am PDT Apr 23, 2026
12am PDT Apr 23, 2026-6pm PDT Apr 29, 2026


