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

Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Tacoma / McChord Air Force Base (KTCM)

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

Clear

50°F

10°C

Humidity 76%
Wind Speed N 0 MPH
Barometer 29.64 in (1003.73 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 10 Apr 11:55 PM PDT
Extended Forecast for

Fort Lewis WA

  • Overnight

    Overnight: Rain likely, mainly after 4am. Cloudy, with a steady temperature around 50. Light west southwest wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Rain Likely

  • Saturday

    Saturday: Rain before 2pm, then a slight chance of rain after 5pm. High near 57. Light southwest wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 57 °F

    Rain then
    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 8pm. Mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 60. Light west wind.

    High: 60 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 45. South southwest wind around 7 mph.

    Low: 45 °F

    Chance Rain

  • Monday

    Monday: A 40 percent chance of rain. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

  • Monday Night

    Monday Night: A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Rain, mainly after 11am. Cloudy, with a high near 49.

    High: 49 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Rain

Detailed Forecast

Overnight
Rain likely, mainly after 4am. Cloudy, with a steady temperature around 50. Light west southwest wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain before 2pm, then a slight chance of rain after 5pm. High near 57. Light southwest wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
A 20 percent chance of rain before 8pm. Mostly cloudy, with a low around 44. Calm wind.
Sunday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 60. Light west wind.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 45. South southwest wind around 7 mph.
Monday
A 40 percent chance of rain. Mostly cloudy, with a high near 55.
Monday Night
A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 43.
Tuesday
Rain, mainly after 11am. Cloudy, with a high near 49.
Tuesday Night
Rain. Mostly cloudy, with a low around 36.
Wednesday
Rain likely, then showers and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 51.
Wednesday Night
A chance of rain. Partly cloudy, with a low around 34.
Thursday
A chance of rain. Mostly sunny, with a high near 54.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 35.
Friday
A slight chance of rain. Mostly sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fort Lewis WA
 47.1°N 122.58°W (Elev. 299 ft)
Last Update:
11:27 pm PDT Apr 10, 2026
Forecast Valid:
2am PDT Apr 11, 2026-6pm PDT Apr 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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