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.

Fog

34°F

1°C

Humidity 97%
Wind Speed N 0 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 33°F (1°C)
Visibility 0.38 mi
Last update 31 Dec 08:55 PM PST
Extended Forecast for

Fort Lewis WA

Dense Fog Advisory December 31, 09:37pm until January 1, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory December 31, 09:37pm until January 1, 10:00am

    NOW until 10:00am Thu

    Dense Fog Advisory

  • Tonight

    Low: 32 °F

    Areas Frost
    and Areas Fog
    then Areas
    Dense Fog

  • New Year's Day

    New Year's Day: Rain likely, mainly after 4pm. Patchy dense fog before 11am. Otherwise, cloudy, with a high near 44. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Slight Chance
    Rain and
    Patchy Dense
    Fog then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain. Low around 39. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain

  • Friday

    Friday: Rain. High near 51. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Friday Night

    Friday Night: Rain likely. Cloudy, with a low around 43. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain Likely

  • Saturday

    Saturday: Rain. High near 53. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 42. Chance of precipitation is 80%.

    Low: 42 °F

    Rain

  • Sunday

    Sunday: Rain. Mostly cloudy, with a high near 50.

    High: 50 °F

    Rain

Detailed Forecast

Tonight
Areas of dense fog. Areas of frost before 10pm. Otherwise, mostly cloudy, with a low around 32. Calm wind.
New Year's Day
Rain likely, mainly after 4pm. Patchy dense fog before 11am. Otherwise, cloudy, with a high near 44. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain. Low around 39. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. High near 51. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain likely. Cloudy, with a low around 43. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 53. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 42. Chance of precipitation is 80%.
Sunday
Rain. Mostly cloudy, with a high near 50.
Sunday Night
Rain likely. Mostly cloudy, with a low around 40.
Monday
Rain likely, mainly before 10am. 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.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 38.
Wednesday
Rain likely. 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 pm PST Dec 31, 2025
Forecast Valid:
9pm PST Dec 31, 2025-6pm PST Jan 7, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation