National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

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

Clear

57°F

14°C

Humidity 87%
Wind Speed E 4 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 17 Sep 07:35 AM PDT
Extended Forecast for

3 Miles W Des Moines WA

  • Today

    Today: Sunny, with a high near 73. North wind around 7 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. Light and variable wind becoming north northwest 5 to 7 mph after midnight.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 70. Southwest wind 6 to 8 mph.

    High: 70 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 53. West southwest wind 6 to 8 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 70. Light and variable wind.

    High: 70 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 73. North wind around 7 mph.
Tonight
Mostly clear, with a low around 54. Light and variable wind becoming north northwest 5 to 7 mph after midnight.
Friday
Partly sunny, then gradually becoming sunny, with a high near 70. Southwest wind 6 to 8 mph.
Friday Night
Increasing clouds, with a low around 53. West southwest wind 6 to 8 mph.
Saturday
Partly sunny, with a high near 70. Light and variable wind.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
Mostly clear, with a low around 53.
Monday
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Partly sunny, with a high near 67.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 53.
Wednesday
Partly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Des Moines WA
 47.39°N 122.38°W (Elev. 36 ft)
Last Update:
11:26 pm PDT Sep 16, 2026
Forecast Valid:
8am PDT Sep 17, 2026-6pm PDT Sep 23, 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