Current conditions at

St. Louis Regional Airport (KALN)

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

Fair

66°F

19°C

Humidity 64%
Wind Speed SW 10 mph
Barometer 30.06 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 22 Apr 9:45 am CDT
Detailed forecast for

Madison County

Rest Of Today
Sunny. Highs in the upper 70s. Southwest winds 5 to 10 mph.
Tonight
Mostly clear. Lows in the upper 50s. South winds around 5 mph.
Thursday
Sunny. Highs in the lower 80s. South winds 15 to 20 mph with gusts up to 30 mph.
Thursday Night
Partly cloudy in the evening, then mostly cloudy with showers likely with a chance of thunderstorms after midnight. Lows in the lower 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
Friday
A chance of thunderstorms. Showers. Highs in the mid 70s. Southwest winds 10 to 15 mph. Chance of rain 90 percent.
Friday Night
Partly cloudy. A slight chance of showers in the evening. Lows in the mid 50s. Chance of rain 20 percent.
Saturday And Saturday Night
Partly cloudy. Highs in the mid 70s. Lows in the lower 50s.
Sunday
Partly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 20 percent.
Sunday Night And Monday
Showers likely with a chance of thunderstorms. Lows in the lower 60s. Highs in the upper 70s. Chance of rain 70 percent.
Monday Night
Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Cooler with lows in the lower 50s. Chance of rain 40 percent.
Tuesday
Mostly sunny. Highs around 70.



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951 AM CDT Wed Apr 22 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database