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Severe Thunderstorms; Excessive Rainfall; Dangerous Heat; Air Quality Concerns and the Tropics

Wildfire smoke will push into the Midwest, worsening air quality. A frontal system brings severe storms from the Northern Plains to the Mid‑Atlantic the next few days. Heavy Gulf Coast rain is possible as Tropical Depression Two has formed, while monsoonal storms persist in the Southwest with heavy rainfall. Hazardous heat expands from the Plains into the Lower Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

Lat: 47.44472°NLon: 122.31361°WElev: 427.0ft.

Partly Cloudy

70°F

21°C

Humidity 60%
Wind Speed WNW 9 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 19 Jul 12:15 PM PDT
Extended Forecast for

Vashon WA

Heat Advisory July 21, 10:00am until July 22, 11:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Sunny, with a steady temperature around 69. North wind 8 to 10 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 56. North wind 6 to 10 mph.

    Low: 56 °F

    Increasing
    Clouds

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 77. North wind 6 to 8 mph.

    High: 77 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. North wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Calm wind becoming north around 6 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a steady temperature around 69. North wind 8 to 10 mph.
Tonight
Increasing clouds, with a low around 56. North wind 6 to 10 mph.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 77. North wind 6 to 8 mph.
Monday Night
Partly cloudy, with a low around 59. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 82. Calm wind becoming north around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 57.
Friday
Mostly sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 55.
Saturday
Mostly sunny, with a high near 65.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Vashon WA
 47.46°N 122.47°W (Elev. 381 ft)
Last Update:
11:26 am PDT Jul 19, 2026
Forecast Valid:
12pm PDT Jul 19, 2026-6pm PDT Jul 25, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation