Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Tacoma / McChord Air Force Base (KTCM)

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

Partly Cloudy

43°F

6°C

Humidity 87%
Wind Speed SSW 11 MPH
Barometer 29.76 in (1007.79 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 15 Apr 01:55 AM PDT
Extended Forecast for

Mc Chord AFB/Tacoma WA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 39. South wind around 5 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 2pm, then showers and possibly a thunderstorm, mainly after 2pm.  High near 50. Light south southwest wind becoming west southwest 5 to 10 mph in the morning.  Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 50 °F

    Showers
    Likely then
    Showers

  • Wednesday Night

    Wednesday Night: Rain likely, possibly mixing with snow after 9pm, then gradually ending. Some thunder is also possible.  Mostly cloudy, then gradually becoming mostly clear, with a low around 33. West wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    Likely then
    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 56. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 56 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37. South southwest wind 5 to 8 mph.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of rain.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 39. South wind around 5 mph.
Wednesday
Rain and possibly a thunderstorm before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. High near 50. Light south southwest wind becoming west southwest 5 to 10 mph in the morning. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain likely, possibly mixing with snow after 9pm, then gradually ending. Some thunder is also possible. Mostly cloudy, then gradually becoming mostly clear, with a low around 33. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday
Mostly sunny, with a high near 56. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 37. South southwest wind 5 to 8 mph.
Friday
Mostly sunny, with a high near 58.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Mostly cloudy, with a high near 64.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 45.
Sunday
A chance of rain. Mostly cloudy, with a high near 65.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 45.
Monday
A slight chance of rain. Partly sunny, with a high near 68.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 45.
Tuesday
A slight chance of rain. Partly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Chord AFB/Tacoma WA
 47.15°N 122.5°W (Elev. 302 ft)
1:16 am PDT Apr 15, 2026
3am PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database