Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Current conditions at

Tacoma / McChord Air Force Base (KTCM)

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

Overcast

57°F

14°C

Humidity 87%
Wind Speed SW 4 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 29 Aug 08:00 AM PDT
Extended Forecast for

Fort Lewis WA

  • Today

    Today: A chance of showers and thunderstorms, mainly between 1pm and 2pm, then a slight chance of rain after 2pm.  Mostly sunny, with a high near 71. West southwest wind 8 to 10 mph.  Chance of precipitation is 30%.

    High: 71 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tonight

    Tonight: Increasing clouds, with a low around 51. South southwest wind 5 to 9 mph.

    Low: 51 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy, with a high near 72. West wind 3 to 5 mph.

    High: 72 °F

    Cloudy

  • Sunday Night

    Sunday Night: Cloudy, then gradually becoming partly cloudy, with a low around 52. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 52 °F

    Decreasing
    Clouds

  • Monday

    Monday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 77. Calm wind becoming north around 6 mph in the afternoon.

    High: 77 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 11am.  Mostly cloudy, with a high near 75.

    High: 75 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain.  Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain.  Cloudy, with a high near 65.

    High: 65 °F

    Rain

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly between 1pm and 2pm, then a slight chance of rain after 2pm. Mostly sunny, with a high near 71. West southwest wind 8 to 10 mph. Chance of precipitation is 30%.
Tonight
Increasing clouds, with a low around 51. South southwest wind 5 to 9 mph.
Sunday
Cloudy, with a high near 72. West wind 3 to 5 mph.
Sunday Night
Cloudy, then gradually becoming partly cloudy, with a low around 52. West northwest wind around 5 mph becoming calm in the evening.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 77. Calm wind becoming north around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 75.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 54.
Wednesday
Rain. Cloudy, with a high near 65.
Wednesday Night
Rain. Mostly cloudy, with a low around 52.
Thursday
Rain likely. Mostly cloudy, with a high near 66.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 50.
Friday
A slight chance of rain. Partly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Lewis WA
 47.12°N 122.58°W (Elev. 295 ft)
11:26 pm PDT Aug 28, 2026
8am PDT Aug 29, 2026-6pm PDT Sep 4, 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