Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Current conditions at

Tacoma / McChord Air Force Base (KTCM)

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

light rain,mist

35°F

2°C

Humidity 95%
Wind Speed N 0 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 33°F (1°C)
Visibility 3.00 mi
Last update 13 Mar 05:55 PM PDT
Extended Forecast for

Fort Lewis WA

  • Tonight

    Tonight: Rain and snow before 4am, then a chance of rain and snow after 5am.  Low around 30. Calm wind becoming southwest around 6 mph after midnight.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 30 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Saturday

    Saturday: A slight chance of rain and snow before 7am, then a slight chance of rain after 4pm.  Mostly sunny, with a high near 47. Wind chill values between 25 and 35 early. West wind 6 to 10 mph.  Chance of precipitation is 20%.

    High: 47 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30. Southwest wind around 6 mph becoming light and variable  in the evening.

    Low: 30 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain likely after 11am.  Cloudy, with a high near 46. Light and variable wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain, mainly before 11pm.  Low around 39. Light and variable wind becoming south 5 to 7 mph in the evening.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Rain then
    Chance Rain

  • Monday

    Monday: Rain.  High near 55. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Rain

  • Monday Night

    Monday Night: Rain likely.  Mostly cloudy, with a low around 44. Chance of precipitation is 70%.

    Low: 44 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain.  Cloudy, with a high near 56.

    High: 56 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Cloudy, with a low around 48.

    Low: 48 °F

    Rain

Detailed Forecast

Tonight
Rain and snow before 4am, then a chance of rain and snow after 5am. Low around 30. Calm wind becoming southwest around 6 mph after midnight. Chance of precipitation is 100%. Little or no snow accumulation expected.
Saturday
A slight chance of rain and snow before 7am, then a slight chance of rain after 4pm. Mostly sunny, with a high near 47. Wind chill values between 25 and 35 early. West wind 6 to 10 mph. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 30. Southwest wind around 6 mph becoming light and variable in the evening.
Sunday
Rain likely after 11am. Cloudy, with a high near 46. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain, mainly before 11pm. Low around 39. Light and variable wind becoming south 5 to 7 mph in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain. High near 55. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Rain likely. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Tuesday
Rain. Cloudy, with a high near 56.
Tuesday Night
Rain. Cloudy, with a low around 48.
Wednesday
Rain. Cloudy, with a high near 58.
Wednesday Night
Rain. Cloudy, with a low around 50.
Thursday
Rain likely. Cloudy, with a high near 59.
Thursday Night
Rain likely. Mostly cloudy, with a low around 46.
Friday
A chance of rain. Mostly cloudy, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Lewis WA
 47.1°N 122.61°W (Elev. 299 ft)
2:25 pm PDT Mar 13, 2026
6pm PDT Mar 13, 2026-6pm PDT Mar 20, 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