Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

Tacoma / McChord Air Force Base (KTCM)

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

Clear

56°F

13°C

Humidity 79%
Wind Speed N 0 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 08 Sep 10:55 PM PDT
Extended Forecast for

Steilacoom WA

  • Tonight

    Tonight: Mostly clear, with a low around 52. Light northeast wind.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 78. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 78 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 55. Light and variable wind.

    Low: 55 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 72. Calm wind becoming west around 6 mph in the afternoon.

    High: 72 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51. South southwest wind around 7 mph.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 68.

    High: 68 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of rain after 11pm.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am.  Mostly cloudy, with a high near 68.

    High: 68 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of rain, mainly before 11pm.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 52. Light northeast wind.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 78. Calm wind becoming north 5 to 7 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 55. Light and variable wind.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 72. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 51. South southwest wind around 7 mph.
Friday
Mostly cloudy, with a high near 68.
Friday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 51.
Saturday
Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 68.
Saturday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 51.
Sunday
A slight chance of rain after 11am. Partly sunny, with a high near 71.
Sunday Night
Mostly clear, with a low around 51.
Monday
Mostly sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Partly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Steilacoom WA
 47.17°N 122.57°W (Elev. 299 ft)
11:26 pm PDT Sep 8, 2026
11pm PDT Sep 8, 2026-6pm PDT Sep 15, 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