Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Clear

62°F

17°C

Humidity 55%
Wind Speed NW 6 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 20 May 08:53 PM PDT
Extended Forecast for

South Seattle WA

  • Tonight

    Tonight: Mostly clear, with a low around 50. Light north northeast wind.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. North northwest wind around 6 mph becoming calm  in the evening.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. North northwest wind around 6 mph becoming calm  in the evening.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of rain after 11pm.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 50. Light north northeast wind.
Thursday
Sunny, with a high near 75. Calm wind becoming north northwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 53. North northwest wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 77. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 55. North northwest wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Partly sunny, with a high near 71.
Sunday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 51.
Memorial Day
Rain likely, mainly after 11am. Mostly cloudy, with a high near 61.
Monday Night
Rain likely. Mostly cloudy, with a low around 48.
Tuesday
A chance of rain. Partly sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
South Seattle WA
 47.53°N 122.26°W (Elev. 7 ft)
12:25 pm PDT May 20, 2026
9pm PDT May 20, 2026-6pm PDT May 27, 2026
 
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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