Current conditions at

St. Louis Lambert International Airport (KSTL)

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

Light Rain

72°F

22°C

Humidity 91%
Wind Speed NE 10 mph
Barometer 29.94 in (1012.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 30 Jun 8:51 pm CDT
Detailed forecast for

St. Louis County

Tonight
Mostly cloudy. Showers and thunderstorms likely, mainly this evening. Lows in the upper 60s. Northwest winds 5 to 10 mph. Chance of rain 70 percent.
Tuesday
Mostly sunny. Highs in the mid 80s. Northwest winds 5 to 10 mph.
Tuesday Night
Mostly clear. Lows in the mid 60s. Northwest winds 5 to 10 mph.
Wednesday
Sunny. Highs in the upper 80s. Northwest winds around 5 mph.
Wednesday Night
Mostly clear. Lows in the upper 60s. Northwest winds around 5 mph in the evening, becoming light and variable.
Thursday Through Independence Day
Mostly clear. Highs in the lower 90s. Lows in the lower 70s.
Friday Night
Partly cloudy. Lows in the lower 70s.
Saturday
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 100.
Saturday Night
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 40 percent.
Sunday
Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent.
Sunday Night And Monday
Partly cloudy. A chance of showers and thunderstorms. Lows in the lower 70s. Highs in the lower 90s. Chance of rain 40 percent.



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754 PM CDT Mon Jun 30 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database