Current conditions at

St. Louis Lambert International Airport (KSTL)

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

Partly Cloudy

84°F

29°C

Humidity 38%
Wind Speed N 8 mph
Barometer 30.06 in (1017.0 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 29 Aug 5:51 pm CDT
Detailed forecast for

St. Louis City

Tonight
Mostly clear. Lows around 60. East winds around 5 mph.
Saturday
Sunny. A slight chance of showers in the afternoon. Highs in the mid 80s. East winds around 5 mph. Chance of rain 20 percent.
Saturday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. East winds around 5 mph.
Sunday
Partly sunny. Highs in the lower 80s. East winds 5 to 10 mph.
Sunday Night
Mostly cloudy. Lows in the upper 50s. East winds around 5 mph.
Labor Day And Monday Night
Mostly cloudy. A 20 percent chance of showers. Highs in the upper 70s. Lows around 60.
Tuesday
Partly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 40 percent.
Tuesday Night
A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows in the upper 50s. Chance of rain 20 percent.
Wednesday
Mostly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 30 percent.
Wednesday Night
Partly cloudy. A slight chance of showers in the evening. Lows in the lower 50s. Chance of rain 20 percent.
Thursday
Mostly sunny. Highs in the lower 70s.
Thursday Night And Friday
Mostly clear. Lows in the upper 40s. Highs in the upper 70s.



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420 PM CDT Fri Aug 29 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database