Current conditions at

St. Louis Regional Airport (KALN)

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

Overcast

45°F

7°C

Humidity 81%
Wind Speed NW 12 mph
Barometer 30.05 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 7 Mar 6:50 pm CST
Detailed forecast for

Madison County

Tonight
Mostly cloudy this evening, then becoming partly cloudy. Much cooler with lows in the mid 30s. West winds 5 to 10 mph.
Sunday
Sunny. Highs in the mid 60s. Southwest winds 5 to 10 mph with gusts up to 20 mph.
Sunday Night
Clear. Not as cool with lows in the mid 40s. South winds 5 to 10 mph with gusts up to 20 mph.
Monday
Sunny. Not as cool with highs in the upper 70s. South winds 10 to 15 mph with gusts up to 25 mph.
Monday Night
Mostly clear. A slight chance of showers after midnight. Not as cool with lows around 60. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent.
Tuesday
Mostly sunny with a slight chance of showers and thunderstorms in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent.
Tuesday Night
Showers with a chance of thunderstorms. Lows in the lower 50s. Chance of rain near 100 percent.
Wednesday
Showers with a slight chance of thunderstorms in the morning, then showers likely in the afternoon. Much cooler with highs in the mid 60s. Chance of rain near 100 percent.
Wednesday Night
Partly cloudy with a slight chance of rain showers in the evening, then mostly clear after midnight. Much cooler with lows in the lower 30s. Chance of rain 20 percent.
Thursday
Sunny, cooler with highs in the lower 50s.
Thursday Night Through Friday Night
Mostly cloudy. Lows around 40. Highs in the mid 60s.
Saturday
Mostly cloudy. Cooler with highs in the mid 50s.



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503 PM CST Sat Mar 7 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database