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

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.

Clear

51°F

11°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 30 Aug 02:55 AM PDT
Extended Forecast for

Fort Lewis WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 52. South wind around 5 mph.

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 73. Light and variable wind becoming south southwest around 5 mph.

    High: 73 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52. Light north wind.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 77. Calm wind becoming north northeast 5 to 7 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 54. North wind 5 to 7 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 74.

    High: 74 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain, mainly after 11am. Mostly cloudy, with a high near 68.

    High: 68 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Rain Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 52. South wind around 5 mph.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 73. Light and variable wind becoming south southwest around 5 mph.
Sunday Night
Mostly clear, with a low around 52. Light north wind.
Monday
Mostly sunny, with a high near 77. Calm wind becoming north northeast 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 54. North wind 5 to 7 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 74.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 54.
Wednesday
Rain, mainly after 11am. Mostly cloudy, with a high near 68.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 52.
Thursday
A chance of rain, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 66.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 50.
Friday
A chance of rain. Partly sunny, with a high near 69.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 51.
Saturday
A slight chance of rain. Partly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fort Lewis WA
 47.1°N 122.58°W (Elev. 299 ft)
Last Update:
11:26 pm PDT Aug 29, 2026
Forecast Valid:
3am PDT Aug 30, 2026-6pm PDT Sep 5, 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