Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66° N Lon: 90.66° W Elev: 463 ft.

Partly Cloudy

66°F

19°C

Humidity 87%
Wind Speed Calm
Barometer 30.12 in (1019.2 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 31 Aug 2:54 am CDT
Detailed forecast for

St. Charles County

Today
Partly sunny. Highs in the lower 80s. East winds 5 to 10 mph.
Tonight
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph.
Labor Day
Partly sunny. Highs in the upper 70s. East winds around 5 mph.
Monday Night
Mostly cloudy. Lows in the upper 50s. Northeast winds around 5 mph.
Tuesday
Partly sunny. A slight chance of showers in the afternoon. Highs in the upper 70s. Northeast winds around 5 mph. Chance of rain 20 percent.
Tuesday Night
Partly cloudy. Lows in the upper 50s.
Wednesday
Mostly sunny. A slight chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.
Wednesday Night
Mostly cloudy with a slight chance of thunderstorms. A chance of showers, mainly in the evening. Lows in the lower 50s. Chance of rain 40 percent.
Thursday And Thursday Night
Mostly clear. Highs in the lower 70s. Lows around 50.
Friday Through Saturday
Mostly clear. Highs in the lower 80s. Lows in the lower 50s.



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319 AM CDT Sun Aug 31 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database