Current conditions at

St. Louis Regional Airport (KALN)

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

Overcast and Breezy

37°F

3°C

Humidity 60%
Wind Speed NW 24 G 32 mph
Barometer 30.19 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 9 Nov 8:50 am CST
Detailed forecast for

Macoupin County

Today
Cloudy this morning, then becoming mostly sunny. Scattered flurries. Breezy and much cooler with highs in the mid 30s. Northwest winds 15 to 25 mph with gusts up to 35 mph.
Tonight
Partly cloudy. A chance of flurries in the evening. Cooler with lows in the lower 20s. Northwest winds 15 to 20 mph with gusts up to 30 mph.
Monday
Sunny. Highs in the upper 30s. Northwest winds 15 to 20 mph with gusts up to 30 mph.
Monday Night
Mostly clear in the evening, then becoming mostly cloudy. Lows in the lower 20s. Southwest winds 5 to 10 mph.
Veterans Day
Mostly cloudy in the morning, then becoming mostly sunny. Not as cool with highs in the lower 50s. Southwest winds 15 to 20 mph with gusts up to 30 mph.
Tuesday Night Through Wednesday Night
Mostly clear. Lows in the mid 30s. Highs in the lower 60s.
Thursday And Thursday Night
Partly cloudy. Highs in the lower 60s. Lows in the mid 40s.
Friday And Friday Night
Partly cloudy. Highs in the upper 60s. Lows in the lower 50s.
Saturday
Mostly sunny. Highs in the mid 70s.



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828 AM CST Sun Nov 9 2025
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database