Heavy rain and isolated severe storms in portions of the West

A storm system will bring rain and thunderstorms to much of the Intermountain West and northern High Plains on Friday. Isolated severe thunderstorms with large hail and damaging winds are possible from northeast California to Wyoming. Heavy rain could lead to flash flooding, especially in the mountains of Wyoming.
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Current conditions at

Seattle, Seattle Boeing Field (KBFI)

Lat: 47.54583°NLon: 122.31361°WElev: 16ft.

Fair

63°F

17°C

Humidity 60%
Wind Speed NNW 5 MPH
Barometer 30.04 in (1017.1 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 05 May 9:53 pm PDT
Extended Forecast for

Mercer Island WA

  • Tonight

    Tonight: Mostly clear, with a low around 51. East northeast wind around 7 mph.

    Mostly Clear

    Low: 51 °F

  • Friday

    Friday: Sunny, with a high near 77. North northwest wind 7 to 14 mph.

    Sunny

    High: 77 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 54. Northeast wind 7 to 13 mph.

    Mostly Clear

    Low: 54 °F

  • Saturday

    Saturday: Sunny, with a high near 76. Light and variable wind becoming north northwest 5 to 9 mph in the afternoon.

    Sunny

    High: 76 °F

  • Saturday
    Night

    Saturday Night: Areas of drizzle after 11pm.  Mostly cloudy, with a low around 53. North northeast wind 6 to 11 mph becoming east in the evening.

    Areas Drizzle

    Low: 53 °F

  • Sunday

    Sunday: Areas of drizzle before 11am, then a chance of showers after 11am.  Mostly cloudy, with a high near 61. Chance of precipitation is 30%.

    Chance
    Showers

    High: 61 °F

  • Sunday
    Night

    Sunday Night: A 30 percent chance of showers.  Mostly cloudy, with a low around 49.

    Chance
    Showers

    Low: 49 °F

  • Monday

    Monday: Partly sunny, with a high near 66.

    Partly Sunny

    High: 66 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 48.

    Partly Cloudy

    Low: 48 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 51. East northeast wind around 7 mph.
Friday
Sunny, with a high near 77. North northwest wind 7 to 14 mph.
Friday Night
Mostly clear, with a low around 54. Northeast wind 7 to 13 mph.
Saturday
Sunny, with a high near 76. Light and variable wind becoming north northwest 5 to 9 mph in the afternoon.
Saturday Night
Areas of drizzle after 11pm. Mostly cloudy, with a low around 53. North northeast wind 6 to 11 mph becoming east in the evening.
Sunday
Areas of drizzle before 11am, then a chance of showers after 11am. Mostly cloudy, with a high near 61. Chance of precipitation is 30%.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 49.
Monday
Partly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 78.
Click Map For Forecast
Point Forecast:
Mercer Island WA
 47.55°N 122.24°W (Elev. 3 ft)
8:09 pm PDT May 5, 2016
10pm PDT May 5, 2016-6pm PDT May 12, 2016
 
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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