Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Tacoma / McChord Air Force Base (KTCM)

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

Fog

34°F

1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 34°F (1°C)
Visibility 0.25 mi
Last update 19 Jan 09:40 PM PST
Extended Forecast for

3 Miles SSE Fort Lewis WA

  • Tonight

    Tonight: Patchy dense fog between 3am and 4am. Areas of dense freezing fog after 4am.  Otherwise, mostly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Areas Dense
    Freezing Fog
    and Patchy
    Dense Fog

  • Tuesday

    Tuesday: Areas of dense fog between 10am and 3pm. Areas of dense freezing fog before 10am.  Otherwise, partly sunny, with a high near 46. Calm wind.

    High: 46 °F

    Areas Dense
    Freezing Fog
    and Areas
    Dense Fog

  • Tuesday Night

    Tuesday Night: Areas of dense freezing fog after 10pm. Partly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Areas Dense
    Freezing Fog

  • Wednesday

    Wednesday: Areas of dense fog between noon and 3pm. Areas of dense freezing fog before noon.  Otherwise, mostly sunny, with a high near 46. Calm wind.

    High: 46 °F

    Areas Dense
    Freezing Fog
    and Areas
    Dense Fog

  • Wednesday Night

    Wednesday Night: Areas of dense freezing fog after 10pm. Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Areas Dense
    Freezing Fog

  • Thursday

    Thursday: Areas of dense freezing fog before 11am. Partly sunny, with a high near 45.

    High: 45 °F

    Areas Dense
    Freezing Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog before 2am, then patchy fog after 3am.  Otherwise, partly cloudy, with a low around 31.

    Low: 31 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 46.

    High: 46 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog between 11pm and 2am.  Otherwise, partly cloudy, with a low around 30.

    Low: 30 °F

    Patchy Fog

Detailed Forecast

Tonight
Patchy dense fog between 3am and 4am. Areas of dense freezing fog after 4am. Otherwise, mostly cloudy, with a low around 28. Calm wind.
Tuesday
Areas of dense fog between 10am and 3pm. Areas of dense freezing fog before 10am. Otherwise, partly sunny, with a high near 46. Calm wind.
Tuesday Night
Areas of dense freezing fog after 10pm. Partly cloudy, with a low around 29. Calm wind.
Wednesday
Areas of dense fog between noon and 3pm. Areas of dense freezing fog before noon. Otherwise, mostly sunny, with a high near 46. Calm wind.
Wednesday Night
Areas of dense freezing fog after 10pm. Mostly cloudy, with a low around 29. Calm wind.
Thursday
Areas of dense freezing fog before 11am. Partly sunny, with a high near 45.
Thursday Night
Patchy fog before 2am, then patchy fog after 3am. Otherwise, partly cloudy, with a low around 31.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 46.
Friday Night
Patchy fog between 11pm and 2am. Otherwise, partly cloudy, with a low around 30.
Saturday
A slight chance of rain after 10am. Partly sunny, with a high near 46.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 34.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 49.
Sunday Night
Rain likely. Mostly cloudy, with a low around 40.
Monday
A chance of rain. Mostly cloudy, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Fort Lewis WA
 47.06°N 122.57°W (Elev. 318 ft)
7:00 pm PST Jan 19, 2026
9pm PST Jan 19, 2026-6pm PST Jan 26, 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