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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Tacoma / McChord Air Force Base (KTCM)

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

Overcast

66°F

19°C

Humidity 68%
Wind Speed SW 6 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 28 Aug 01:05 PM PDT
Extended Forecast for

Steilacoom WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 72. West wind around 6 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of rain after 5am. Mostly cloudy, with a low around 54. South southwest wind 7 to 9 mph.

    Low: 54 °F

    Partly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A 30 percent chance of rain between noon and 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 70. Southwest wind 8 to 10 mph.

    High: 70 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 52. South southwest wind 7 to 9 mph.

    Low: 52 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 71. West southwest wind around 6 mph.

    High: 71 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Monday Night

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

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain after 11am. Partly sunny, with a high near 73.

    High: 73 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 72. West wind around 6 mph.
Tonight
A 30 percent chance of rain after 5am. Mostly cloudy, with a low around 54. South southwest wind 7 to 9 mph.
Saturday
A 30 percent chance of rain between noon and 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 70. Southwest wind 8 to 10 mph.
Saturday Night
Increasing clouds, with a low around 52. South southwest wind 7 to 9 mph.
Sunday
Mostly cloudy, with a high near 71. West southwest wind around 6 mph.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
A slight chance of rain after 11am. Partly sunny, with a high near 73.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 55.
Wednesday
Rain. Cloudy, with a high near 63.
Wednesday Night
Rain. Mostly cloudy, with a low around 52.
Thursday
Rain likely. Mostly cloudy, 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:
12:35 pm PDT Aug 28, 2026
Forecast Valid:
1pm PDT Aug 28, 2026-6pm PDT Sep 3, 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