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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Tacoma / McChord Air Force Base (KTCM)

Lat: 47.15°NLon: 122.48333°WElev: 322.0ft.

Mostly Cloudy

48°F

9°C

Humidity 100%
Wind Speed ESE 3 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 18 Sep 07:25 AM PDT
Extended Forecast for

Steilacoom WA

  • Today

    Today: Sunny, with a high near 71. South southwest wind around 7 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 53. West southwest wind 3 to 7 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 71. Light and variable wind.

    High: 71 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. Calm wind becoming north around 5 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 71. Calm wind becoming north around 5 mph.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 68.

    High: 68 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 71. South southwest wind around 7 mph.
Tonight
Increasing clouds, with a low around 53. West southwest wind 3 to 7 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 71. Light and variable wind.
Saturday Night
Mostly clear, with a low around 53. Calm wind becoming north around 5 mph.
Sunday
Mostly sunny, with a high near 71. Calm wind becoming north around 5 mph.
Sunday Night
Mostly clear, with a low around 54.
Monday
Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly cloudy, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly cloudy, with a high near 68.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Steilacoom WA
 47.18°N 122.6°W (Elev. 3 ft)
Last Update:
11:26 pm PDT Sep 17, 2026
Forecast Valid:
7am PDT Sep 18, 2026-6pm PDT Sep 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation