Current conditions at

St. Louis Regional Airport (KALN)

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

Overcast

40°F

4°C

Humidity 67%
Wind Speed NW 12 G 18 mph
Barometer 29.90 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 31 Mar 5:35 am CDT
Detailed forecast for

Madison County

Today
Cloudy this morning, then becoming partly sunny. Much cooler with highs in the mid 50s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Tonight
Mostly clear. Lows in the mid 30s. North winds 5 to 10 mph, becoming northeast after midnight.
Tuesday
Mostly sunny. Highs in the lower 60s. Southeast winds 10 to 15 mph. Gusts up to 35 mph in the afternoon.
Tuesday Night
Mostly cloudy. A slight chance of rain and thunderstorms in the evening, then rain likely with a chance of thunderstorms after midnight. Not as cool with lows in the mid 50s. Temperature rising into the lower 60s after midnight. Southeast winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 70 percent.
Wednesday
Thunderstorms. Rain in the morning, then showers in the afternoon. Breezy and not as cool. More humid with highs in the mid 70s. South winds 15 to 25 mph with gusts up to 35 mph. Chance of rain near 100 percent.
Wednesday Night
Mostly cloudy with a chance of rain and thunderstorms in the evening, then partly cloudy with a slight chance of rain after midnight. Lows around 50. Chance of rain 50 percent.
Thursday
Rain likely. Much cooler with highs in the lower 60s. Chance of rain 70 percent.
Thursday Night
A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of rain. Lows in the upper 40s. Chance of rain 50 percent.
Friday
Mostly cloudy. A slight chance of rain in the morning, then rain likely in the afternoon. Highs in the lower 60s. Chance of rain 70 percent.
Friday Night
Rain. Lows in the upper 40s. Chance of rain 90 percent.
Saturday And Saturday Night
Rain likely. Highs in the mid 50s. Lows in the lower 40s. Chance of rain 70 percent.
Sunday
Partly sunny. A slight chance of rain in the morning. Highs in the upper 50s. Chance of rain 20 percent.



Click Map For Forecast
539 AM CDT Mon Mar 31 2025
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database