Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

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

Fair

75°F

24°C

Humidity 89%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 12 Jul 8:50 pm CDT
Detailed forecast for

Macoupin County

Rest Of Tonight
Partly cloudy early this evening, then becoming mostly cloudy. Lows around 70. Northwest winds around 5 mph.
Sunday
Partly 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 mid 80s. East winds around 5 mph, becoming southwest in the afternoon. Chance of rain 40 percent.
Sunday Night
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 60s. South winds around 5 mph in the evening, becoming light and variable.
Monday
Mostly sunny. Patchy dense fog in the morning. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southeast winds around 5 mph. Chance of rain 20 percent.
Monday Night
Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent.
Tuesday And Tuesday Night
Mostly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows in the lower 70s. Chance of rain 50 percent.
Wednesday And Wednesday Night
Partly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows in the lower 70s. Chance of rain 50 percent.
Thursday
Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 percent.
Thursday Night And Friday
Mostly cloudy. A slight chance of showers and thunderstorms. Lows in the upper 60s. Highs in the mid 80s. Chance of rain 20 percent.
Friday Night And Saturday
Partly cloudy. A slight chance of showers and thunderstorms. Lows in the upper 60s. Highs in the mid 80s. Chance of rain 20 percent.



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839 PM CDT Sat Jul 12 2025
 
 

Additional Resources

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