Flash Flood Threat Persists Across Southwest; Heat Threat in Several Regions

Monsoon conditions will exist over the Southwest through Tuesday, resulting in localized areas of flash flooding from California into the Central and Southern Rockies. Hot and humid conditions will impacts several regions through early week. Excessive Heat Warnings are in effect for the Intermountain West and Northern Plains with Heat Advisories from the southern Plains into MS River Valley. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

Lat: 47.54548°NLon: 122.3147°WElev: 20ft.

Clear

26°C

79°F

Humidity 44%
Wind Speed NNE 8 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 13°C (55°F)
Visibility 16 km
Heat Index27°C (80°F)
Last update 25 Jul 07:25 PM PDT
Extended Forecast for

Mercer Island WA

  • Tonight

    Tonight: Mostly clear, with a low around 15. North northwest wind 11 to 18 km/h becoming northeast in the evening.

    Mostly Clear

    Low: 15 °C

  • Monday

    Monday: Sunny, with a high near 25. Northeast wind 8 to 14 km/h becoming northwest in the morning.

    Sunny

    High: 25 °C

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 15. North northwest wind around 14 km/h becoming east northeast in the evening.

    Partly Cloudy

    Low: 15 °C

  • Tuesday

    Tuesday: Mostly sunny, with a high near 25. Northeast wind 5 to 11 km/h becoming northwest in the morning.

    Mostly Sunny

    High: 25 °C

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 15. North northwest wind 8 to 13 km/h becoming east northeast in the evening.

    Partly Cloudy

    Low: 15 °C

  • Wednesday

    Wednesday: Mostly sunny, with a high near 27.

    Mostly Sunny

    High: 27 °C

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 16.

    Partly Cloudy

    Low: 16 °C

  • Thursday

    Thursday: Mostly sunny, with a high near 28.

    Mostly Sunny

    High: 28 °C

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 16.

    Mostly Clear

    Low: 16 °C

Detailed Forecast

Tonight
Mostly clear, with a low around 15. North northwest wind 11 to 18 km/h becoming northeast in the evening.
Monday
Sunny, with a high near 25. Northeast wind 8 to 14 km/h becoming northwest in the morning.
Monday Night
Partly cloudy, with a low around 15. North northwest wind around 14 km/h becoming east northeast in the evening.
Tuesday
Mostly sunny, with a high near 25. Northeast wind 5 to 11 km/h becoming northwest in the morning.
Tuesday Night
Partly cloudy, with a low around 15. North northwest wind 8 to 13 km/h becoming east northeast in the evening.
Wednesday
Mostly sunny, with a high near 27.
Wednesday Night
Partly cloudy, with a low around 16.
Thursday
Mostly sunny, with a high near 28.
Thursday Night
Mostly clear, with a low around 16.
Friday
Sunny, with a high near 28.
Friday Night
Mostly clear, with a low around 17.
Saturday
Sunny, with a high near 27.
Saturday Night
Mostly clear, with a low around 16.
Sunday
Mostly sunny, with a high near 26.
Click Map For Forecast
Point Forecast:
Mercer Island WA
 47.58°N 122.25°W (Elev. 32 m)
7:23 pm PDT Jul 25, 2021
7pm PDT Jul 25, 2021-6pm PDT Aug 1, 2021
 
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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