Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

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

Overcast

55°F

13°C

Humidity 76%
Wind Speed SW 9 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 29 Jun 12:15 AM PDT
Extended Forecast for

Seatac WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 53. South southwest wind around 8 mph.

    Low: 53 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 69. South southwest wind around 7 mph.

    High: 69 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Increasing clouds, with a low around 54. South wind around 10 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 66. South southwest wind around 9 mph.

    High: 66 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53. Southwest wind around 9 mph.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

  • Wednesday Night

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

    Low: 52 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 67.

    High: 67 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A slight chance of rain before 11pm.  Mostly cloudy, with a low around 54.

    Low: 54 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 53. South southwest wind around 8 mph.
Monday
Mostly cloudy, with a high near 69. South southwest wind around 7 mph.
Monday Night
Increasing clouds, with a low around 54. South wind around 10 mph.
Tuesday
Mostly cloudy, with a high near 66. South southwest wind around 9 mph.
Tuesday Night
Mostly cloudy, with a low around 53. Southwest wind around 9 mph.
Wednesday
Mostly cloudy, with a high near 66.
Wednesday Night
Mostly cloudy, with a low around 52.
Thursday
Mostly cloudy, with a high near 67.
Thursday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 54.
Friday
Partly sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 55.
Independence Day
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Mostly sunny, with a high near 78.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Seatac WA
 47.44°N 122.3°W (Elev. 358 ft)
11:26 pm PDT Jun 28, 2026
12am PDT Jun 29, 2026-6pm PDT Jul 5, 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