Current conditions at

St. Louis Regional Airport (KALN)

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

Fair

52°F

11°C

Humidity 58%
Wind Speed SE 8 mph
Barometer 30.06 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 18 Mar 10:45 pm CDT
Detailed forecast for

Madison County

Tonight
Partly cloudy. Not as cool with lows in the mid 40s. South winds around 5 mph.
Thursday
Mostly sunny. Highs in the lower 70s. Southwest winds around 5 mph, becoming north around 5 mph in the afternoon.
Thursday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s. East winds around 5 mph, becoming southwest after midnight.
Friday
Mostly sunny. Highs around 80. Southwest winds 5 to 10 mph.
Friday Night
Partly cloudy. Lows in the lower 50s. West winds 5 to 10 mph.
Saturday And Saturday Night
Mostly clear. Highs around 80. Lows in the upper 50s.
Sunday
Mostly sunny. Highs around 80.
Sunday Night And Monday
Mostly cloudy. Lows in the upper 30s. Highs in the mid 50s.
Monday Night
Partly cloudy. Lows in the mid 30s.
Tuesday And Tuesday Night
Mostly cloudy. Highs around 60. Lows in the lower 40s.
Wednesday
Partly sunny. Highs in the upper 60s.



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748 PM CDT Wed Mar 18 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database