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Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Tacoma / McChord Air Force Base (KTCM)

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

Mist

34°F

1°C

Humidity 93%
Wind Speed SSE 3 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 32°F (0°C)
Visibility 0.62 mi
Last update 16 Apr 04:35 AM PDT
Extended Forecast for

Steilacoom WA

Frost Advisory until April 16, 09:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory until April 16, 09:00am

    NOW until 9:00am Thu

    Frost Advisory

  • Overnight

    Low: 33 °F

    Frost

  • Thursday

    Thursday: Areas of frost before 9am. Otherwise, mostly sunny, with a high near 57. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 57 °F

    Areas Frost
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37. South southwest wind 3 to 8 mph.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 58. Calm wind.

    High: 58 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39. Light north northeast wind.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain. Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance Rain

Detailed Forecast

Overnight
Widespread frost. Otherwise, partly cloudy, with a low around 33. Calm wind.
Thursday
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 57. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 37. South southwest wind 3 to 8 mph.
Friday
Partly sunny, with a high near 58. Calm wind.
Friday Night
Mostly cloudy, with a low around 39. Light north northeast wind.
Saturday
Mostly cloudy, with a high near 65.
Saturday Night
A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 47.
Sunday
A chance of rain. Mostly cloudy, with a high near 66.
Sunday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 47.
Monday
A slight chance of rain. Partly sunny, with a high near 68.
Monday Night
A chance of rain. Mostly cloudy, with a low around 47.
Tuesday
A chance of rain. Mostly cloudy, with a high near 61.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 47.
Wednesday
A chance of rain. Mostly cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Steilacoom WA
 47.17°N 122.57°W (Elev. 299 ft)
Last Update:
1:20 am PDT Apr 16, 2026
Forecast Valid:
5am PDT Apr 16, 2026-6pm PDT Apr 22, 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