Current conditions at

St. Louis Regional Airport (KALN)

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

Fair

55°F

13°C

Humidity 44%
Wind Speed NW 17 G 23 mph
Barometer 30.31 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 5 Apr 1:45 pm CDT
Detailed forecast for

Madison County

This Afternoon
Sunny. Highs in the upper 50s. Northwest winds 10 to 15 mph.
Tonight
Clear. Lows around 40. Northwest winds 5 to 10 mph, becoming west after midnight.
Monday
Mostly sunny. Highs in the lower 60s. Northwest winds 5 to 10 mph with gusts up to 20 mph.
Monday Night
Mostly cloudy. A chance of showers with a slight chance of snow showers after midnight. Lows in the upper 30s. North winds 5 to 10 mph. Chance of precipitation 40 percent.
Tuesday
Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 50s. East winds 5 to 10 mph.
Tuesday Night
Mostly cloudy. Lows around 40.
Wednesday And Wednesday Night
Partly cloudy. Highs in the lower 70s. Lows in the mid 50s.
Thursday
Mostly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 30 percent.
Thursday Night
Mostly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 50s. Chance of rain 40 percent.
Friday And Friday Night
Mostly cloudy. A chance of showers and thunderstorms. Highs in the mid 70s. Lows in the mid 50s. Chance of rain 50 percent.
Saturday
Partly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 40 percent.



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128 PM CDT Sun Apr 5 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database