
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
53°F
12°C
| Humidity | 82% |
| Wind Speed | S 9 MPH |
| Barometer | 30.01 in (1016.26 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 22 Apr 02:53 PM PDT |
Extended Forecast for
Mercer Island WA
This Afternoon

High: 58 °F
Slight Chance
ShowersTonight

Low: 48 °F
Increasing
CloudsThursday

High: 62 °F
Becoming
SunnyThursday Night

Low: 44 °F
Mostly Clear
Friday

High: 64 °F
Sunny
Friday Night

Low: 43 °F
Mostly Clear
Saturday

High: 67 °F
Sunny
Saturday Night

Low: 44 °F
Mostly Clear
Sunday

High: 69 °F
Sunny
Detailed Forecast
This Afternoon
A 20 percent chance of showers before 4pm. Mostly cloudy, with a high near 58. South southwest wind 8 to 10 mph.
Tonight
Increasing clouds, with a low around 48. South wind 8 to 11 mph.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 62. South wind around 6 mph becoming west in the afternoon.
Thursday Night
Mostly clear, with a low around 44. Northwest wind around 5 mph becoming light and variable in the evening.
Friday
Sunny, with a high near 64. Light north northeast wind becoming north 6 to 11 mph in the afternoon.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 46.
Monday
Mostly sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 71.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mercer Island WA
47.6°N 122.22°W (Elev. 3 ft)
47.6°N 122.22°W (Elev. 3 ft)
11:26 am PDT Apr 22, 2026
3pm PDT Apr 22, 2026-6pm PDT Apr 29, 2026


