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 the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Current conditions at

Tacoma / McChord Air Force Base (KTCM)

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

Clear

54°F

12°C

Humidity 85%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 18 Sep 01:55 AM PDT
Extended Forecast for

Steilacoom WA

  • Overnight

    Overnight: Mostly clear, with a low around 55. Southwest wind 3 to 5 mph.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 71. South southwest wind around 7 mph becoming west in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 53. West southwest wind 5 to 7 mph becoming calm after midnight.

    Low: 53 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 70. Light and variable wind.

    High: 70 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. North wind around 5 mph becoming calm after midnight.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 71.

    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

Detailed Forecast

Overnight
Mostly clear, with a low around 55. Southwest wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 71. South southwest wind around 7 mph becoming west in the afternoon.
Friday Night
Increasing clouds, with a low around 53. West southwest wind 5 to 7 mph becoming calm after midnight.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 70. Light and variable wind.
Saturday Night
Mostly clear, with a low around 53. North wind around 5 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 71.
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
 47.16°N 122.63°W (Elev. 3 ft)
Last Update:
11:26 pm PDT Sep 17, 2026
Forecast Valid:
2am PDT Sep 18, 2026-6pm PDT Sep 24, 2026
 
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Additional Resources

Radar & Satellite Image

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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