Dangerous Fire Conditions in the Southern High Plains; Severe Weather from the Great Lakes into Central/Southern Plains; Late-Season Mountain Snow

Dry and windy conditions will produce dangerous fire weather conditions across the southern High Plains into the Southwest. Severe storms, including very large hail, strong tornadoes, and winds, are expected from the Great Lakes into the central/southern Plains. Heavy late-season snow and cold temperatures are expected in the northern to central Rockies. Heat is spreading across the eastern U.S.. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Partly Cloudy

52°F

11°C

Humidity 71%
Wind Speed SE 4 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 18 May 02:35 AM PDT
Extended Forecast for

South Seattle WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 67. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 50. North wind 5 to 7 mph becoming calm  after midnight.

    Low: 50 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 67. Light and variable wind.

    High: 67 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 52. North wind around 5 mph becoming calm  after midnight.

    Low: 52 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 48. Calm wind.
Monday
Mostly sunny, with a high near 67. Calm wind becoming north northwest around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 50. North wind 5 to 7 mph becoming calm after midnight.
Tuesday
Mostly cloudy, with a high near 67. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 52. North wind around 5 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Partly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Partly sunny, with a high near 69.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
South Seattle WA
 47.57°N 122.28°W (Elev. 10 ft)
12:55 am PDT May 18, 2026
2am PDT May 18, 2026-6pm PDT May 24, 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