Current conditions at

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

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

Rain Fog/Mist

68°F

20°C

Humidity 96%
Wind Speed Calm
Barometer 30.00 in (1015.4 mb)
Dewpoint 67°F (19°C)
Visibility 2.50 mi
Last update 15 Oct 6:54 am CDT
Detailed forecast for

St. Charles County

Today
Mostly cloudy this morning, then becoming partly sunny. Patchy fog this morning. Showers likely with a chance of thunderstorms. Highs in the lower 80s. Southeast winds 5 to 10 mph, becoming south with gusts up to 20 mph this afternoon. Chance of rain 70 percent.
Tonight
A chance of thunderstorms in the evening. Numerous showers. Much cooler with lows in the upper 40s. West winds 10 to 15 mph, becoming northwest 15 to 20 mph after midnight. Chance of rain 70 percent.
Friday
Partly sunny. Much cooler. Less humid with highs in the upper 50s. Northwest winds 15 to 20 mph with gusts up to 30 mph.
Friday Night
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 30s. North winds 15 to 20 mph.
Saturday
Sunny. Highs around 60. North winds 5 to 10 mph.
Saturday Night And Sunday
Clear. Lows in the upper 30s. Highs in the upper 60s.
Sunday Night
Mostly clear. Lows around 40.
Monday And Monday Night
Partly cloudy. Highs in the lower 70s. Lows in the lower 40s.
Tuesday Through Wednesday
Mostly clear. Highs in the mid 70s. Lows in the mid 40s.



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513 AM CDT Thu Oct 15 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database