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.

Clear

71°F

22°C

Humidity 53%
Wind Speed WNW 6 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 18 Sep 04:55 PM PDT
Extended Forecast for

Steilacoom WA

  • Tonight

    Tonight: Increasing clouds, with a low around 50. West wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 73. Light west southwest wind.

    High: 73 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 51. Calm wind.

    Low: 51 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 73. Light north wind.

    High: 73 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51. Light north wind.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Monday Night

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

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 50. West wind around 5 mph becoming calm in the evening.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 73. Light west southwest wind.
Saturday Night
Increasing clouds, with a low around 51. Calm wind.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 73. Light north wind.
Sunday Night
Mostly clear, with a low around 51. Light north wind.
Monday
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Partly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 69.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 52.
Friday
A slight chance of rain. Partly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Steilacoom WA
 47.16°N 122.6°W (Elev. 253 ft)
Last Update:
1:27 pm PDT Sep 18, 2026
Forecast Valid:
5pm PDT Sep 18, 2026-6pm PDT Sep 25, 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