Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.
Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >
Current conditions at
Tacoma / McChord Air Force Base (KTCM)
Lat: 47.15°NLon: 122.48333°WElev: 322.0ft.
Clear
68°F
20°C
| Humidity | 41% |
| Wind Speed | W 4 MPH |
| Barometer | 30.18 in (1022.01 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 18 May 06:55 PM PDT |
Extended Forecast for
Steilacoom WA
Tonight
Low: 48 °F
Mostly Cloudy
Tuesday
High: 65 °F
Mostly Cloudy
Tuesday Night
Low: 50 °F
Decreasing
CloudsWednesday
High: 68 °F
Mostly Sunny
Wednesday Night
Low: 50 °F
Partly Cloudy
Thursday
High: 74 °F
Mostly Sunny
Thursday Night
Low: 53 °F
Partly Cloudy
Friday
High: 73 °F
Mostly Sunny
Friday Night
Low: 52 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 48. South southwest wind 3 to 6 mph.
Tuesday
Mostly cloudy, with a high near 65. Light southwest wind.
Tuesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 50. West northwest wind around 5 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 68. Calm wind becoming north around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 50. North wind 5 to 7 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Partly sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Partly sunny, with a high near 65.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 49.
Memorial Day
A chance of rain. Partly sunny, with a high near 62.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Steilacoom WA
47.18°N 122.6°W (Elev. 3 ft)
47.18°N 122.6°W (Elev. 3 ft)
11:27 am PDT May 18, 2026
7pm PDT May 18, 2026-6pm PDT May 25, 2026
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