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

Hazardous Weather Conditions

Current conditions at

Tacoma / McChord Air Force Base (KTCM)

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

Mist

30°F

-1°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 28°F (-2°C)
Visibility 0.62 mi
Last update 31 Dec 07:20 AM PST
Extended Forecast for

Fort Lewis WA

Dense Fog Advisory until December 31, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until December 31, 10:00am

    NOW until 10:00am Wed

    Dense Fog Advisory

  • Today

    High: 45 °F

    Areas Dense
    Fog

  • Tonight

    Tonight: Patchy dense fog after 7pm. Otherwise, increasing clouds, with a low around 31. Calm wind becoming south around 5 mph after midnight.

    Low: 31 °F

    Patchy Dense
    Fog

  • New Year's Day

    New Year's Day: A 30 percent chance of rain, mainly after 4pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 44. South wind 3 to 5 mph.

    High: 44 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: Rain, mainly after 10pm. Low around 38. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain

  • Friday

    Friday: Rain. High near 51. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Friday Night

    Friday Night: Rain likely. Mostly cloudy, with a low around 42. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Rain Likely

  • Saturday

    Saturday: Rain. High near 52. Chance of precipitation is 80%.

    High: 52 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Rain

Detailed Forecast

Today
Areas of dense fog before 1pm. Otherwise, partly sunny, with a high near 45. Light and variable wind.
Tonight
Patchy dense fog after 7pm. Otherwise, increasing clouds, with a low around 31. Calm wind becoming south around 5 mph after midnight.
New Year's Day
A 30 percent chance of rain, mainly after 4pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 44. South wind 3 to 5 mph.
Thursday Night
Rain, mainly after 10pm. Low around 38. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 51. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain likely. Mostly cloudy, with a low around 42. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 52. Chance of precipitation is 80%.
Saturday Night
Rain. Mostly cloudy, with a low around 42.
Sunday
Rain likely. Mostly cloudy, with a high near 50.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 39.
Monday
A chance of rain. Mostly cloudy, with a high near 48.
Monday Night
A chance of rain. Mostly cloudy, with a low around 37.
Tuesday
A chance of rain. Mostly cloudy, with a high near 48.
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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:
7:01 am PST Dec 31, 2025
Forecast Valid:
7am PST Dec 31, 2025-6pm PST Jan 6, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation