Current conditions at

St. Louis Lambert International Airport (KSTL)

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

Mostly Cloudy

62°F

17°C

Humidity 21%
Wind Speed SE 12 mph
Barometer 30.16 in (1021.5 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 24 Mar 5:51 pm CDT
Detailed forecast for

St. Louis City

Tonight
Mostly cloudy this evening, then becoming partly cloudy. Lows in the lower 40s. Southeast winds 5 to 10 mph.
Wednesday
Mostly sunny. Not as cool with highs in the upper 70s. South winds 5 to 10 mph.
Wednesday Night
Partly cloudy in the evening, then becoming mostly clear. Not as cool with lows in the lower 60s. South winds around 10 mph with gusts up to 20 mph.
Thursday
Sunny, warmer with highs in the upper 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Thursday Night
Mostly cloudy with rain. Much cooler with lows in the lower 40s. West winds 10 to 15 mph, becoming north 15 to 20 mph after midnight. Chance of rain 90 percent.
Friday
Mostly cloudy with a chance of rain in the morning, then partly sunny in the afternoon. Much cooler with highs in the lower 50s. Chance of rain 50 percent.
Friday Night
Mostly clear. Cooler with lows in the lower 30s.
Saturday
Sunny. Highs in the upper 50s.
Saturday Night
Mostly clear in the evening, then becoming partly cloudy. Lows around 40.
Sunday And Sunday Night
Mostly cloudy. Highs in the mid 60s. Lows around 50.
Monday
Mostly sunny. Not as cool with highs in the upper 70s.
Monday Night
Mostly cloudy. A chance of rain after midnight. Lows in the upper 50s. Chance of rain 30 percent.
Tuesday
Mostly cloudy in the morning, then becoming partly sunny. A chance of rain with a slight chance of thunderstorms. Highs in the upper 70s. Chance of rain 40 percent.



Basemap Options
Click map to change the forecast location
Loading map...
548 PM CDT Tue Mar 24 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database