Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

Tacoma / McChord Air Force Base (KTCM)

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

Clear

57°F

14°C

Humidity 87%
Wind Speed SSW 3 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 21 Aug 03:55 AM PDT
Extended Forecast for

4 Miles SE Fort Lewis WA

  • Today

    Today: Increasing clouds, with a high near 83. Calm wind.

    High: 83 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 4am.  Mostly cloudy, with a low around 57. Calm wind becoming west around 5 mph.

    Low: 57 °F

    Cloudy then
    Chance Rain

  • Saturday

    Saturday: A 40 percent chance of rain before noon.  Mostly cloudy, with a high near 73. West southwest wind 3 to 6 mph.

    High: 73 °F

    Chance Rain
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 55. West wind 5 to 7 mph becoming calm  in the evening.

    Low: 55 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 75. Light south southwest wind.

    High: 75 °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 80.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 83. Calm wind.
Tonight
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 57. Calm wind becoming west around 5 mph.
Saturday
A 40 percent chance of rain before noon. Mostly cloudy, with a high near 73. West southwest wind 3 to 6 mph.
Saturday Night
Increasing clouds, with a low around 55. West wind 5 to 7 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 75. Light south southwest wind.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Partly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Partly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Fort Lewis WA
 47.07°N 122.5°W (Elev. 371 ft)
11:26 pm PDT Aug 20, 2026
5am PDT Aug 21, 2026-6pm PDT Aug 27, 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