Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89° N Lon: 90.03° W Elev: 518 ft.

Fair

59°F

15°C

Humidity 88%
Wind Speed Vrbl 6 mph
Barometer 30.11 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 30 Aug 6:50 am CDT
Detailed forecast for

Madison County

Today
Mostly sunny. A slight chance of showers this afternoon. Highs in the lower 80s. East winds around 5 mph. Chance of rain 20 percent.
Tonight
Mostly cloudy. Lows in the lower 60s. East winds around 5 mph.
Sunday
Mostly 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
Partly sunny. Highs around 80. East winds around 5 mph.
Monday Night
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 50s.
Tuesday
Mostly sunny. A slight chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 20 percent.
Tuesday Night
Partly cloudy with a slight chance of showers in the evening, then mostly clear after midnight. Lows in the upper 50s. Chance of rain 20 percent.
Wednesday
Mostly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent.
Wednesday Night
Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 50. Chance of rain 20 percent.
Thursday
Mostly sunny. Cooler with highs around 70.
Thursday Night And Friday
Mostly clear. Lows in the upper 40s. Highs in the upper 70s.



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559 AM CDT Sat Aug 30 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database