Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Tacoma / McChord Air Force Base (KTCM)

Lat: 47.15° N Lon: 122.48333° W Elev: 322.0 ft.

Clear

49°F

9°C

Humidity 94%
Wind Speed ESE 3 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 18 Sep 05:55 AM PDT
Detailed forecast for

Lowlands of Pierce and Southern King Counties

Today
Sunny. Highs in the mid 60s to lower 70s. South wind to 10 mph becoming southwest in the afternoon.
Tonight
Partly cloudy. Lows in the upper 40s to mid 50s. West wind to 10 mph becoming southwest after midnight.
Saturday
Mostly cloudy in the morning then becoming mostly sunny. Highs in the mid 60s to lower 70s. Light wind.
Saturday Night
Mostly clear. Lows in the upper 40s to mid 50s. Light wind becoming north to 10 mph after midnight.
Sunday
Mostly sunny. Highs in the mid 60s to lower 70s. Light wind becoming north to 10 mph in the afternoon.
Sunday Night
Mostly clear. Lows in the lower 50s.
Monday
Mostly sunny. Highs in the lower 70s.
Monday Night
Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower to mid 50s.
Tuesday
Mostly cloudy. Highs in the mid 60s to lower 70s.
Tuesday Night
Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 50s.
Wednesday
Mostly cloudy. Highs in the mid 60s to lower 70s.
Wednesday Night
Mostly cloudy. Lows in the lower 50s.
Thursday
Partly sunny. Highs near 70.



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236 AM PDT Fri Sep 18 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database