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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Tacoma / McChord Air Force Base (KTCM)

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

Overcast

49°F

9°C

Humidity 78%
Wind Speed NW 4 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 20 Mar 09:55 PM PDT
Extended Forecast for

Steilacoom WA

  • Tonight

    Tonight: A slight chance of rain before 2am, then a slight chance of rain after 4am. Mostly cloudy, with a low around 39. South southwest wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 39 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 51. Light and variable wind becoming west around 6 mph in the afternoon.

    High: 51 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A slight chance of rain and snow after 11pm. Partly cloudy, with a low around 36. West wind around 7 mph becoming south after midnight. Chance of precipitation is 20%.

    Low: 36 °F

    Slight Chance
    Rain/Snow

  • Sunday

    Sunday: A slight chance of rain and snow before 11am. Partly sunny, with a high near 54. South wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 20%.

    High: 54 °F

    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37. West northwest wind around 6 mph becoming light and variable in the evening.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain. Cloudy, with a high near 53.

    High: 53 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Cloudy, with a low around 42.

    Low: 42 °F

    Rain

Detailed Forecast

Tonight
A slight chance of rain before 2am, then a slight chance of rain after 4am. Mostly cloudy, with a low around 39. South southwest wind 7 to 9 mph. Chance of precipitation is 20%.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 51. Light and variable wind becoming west around 6 mph in the afternoon.
Saturday Night
A slight chance of rain and snow after 11pm. Partly cloudy, with a low around 36. West wind around 7 mph becoming south after midnight. Chance of precipitation is 20%.
Sunday
A slight chance of rain and snow before 11am. Partly sunny, with a high near 54. South wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 37. West northwest wind around 6 mph becoming light and variable in the evening.
Monday
Mostly cloudy, with a high near 53.
Monday Night
A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 41.
Tuesday
Rain. Cloudy, with a high near 53.
Tuesday Night
Rain. Cloudy, with a low around 42.
Wednesday
Rain. Cloudy, with a high near 51.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 34.
Thursday
A slight chance of rain and snow. Mostly sunny, with a high near 52.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Steilacoom WA
 47.16°N 122.6°W (Elev. 253 ft)
Last Update:
11:27 am PDT Mar 20, 2026
Forecast Valid:
10pm PDT Mar 20, 2026-6pm PDT Mar 27, 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