Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75° N Lon: 90.37° W Elev: 604 ft.

A Few Clouds

76°F

24°C

Humidity 85%
Wind Speed N 6 mph
Barometer 30.06 in (1016.8 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 11 Jul 9:51 pm CDT
Detailed forecast for

St. Louis County

Tonight
Mostly clear. A chance of showers and thunderstorms this evening. Lows in the upper 60s. North winds 5 to 10 mph. Chance of rain 40 percent.
Sunday
Sunny. Highs in the mid 80s. Northeast winds 10 to 15 mph.
Sunday Night
Clear. Lows in the upper 60s. North winds 5 to 10 mph.
Monday
Sunny. Highs in the upper 80s. Northeast winds 5 to 10 mph.
Monday Night
Clear. Lows in the upper 60s. Northeast winds 5 to 10 mph.
Tuesday Through Saturday
Mostly clear. Highs in the lower 90s. Lows in the lower 70s. Heat index values up to 100.



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1004 PM CDT Sat Jul 11 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database