Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56° N Lon: 90.15° W Elev: 410 ft.

Fair

78°F

26°C

Humidity 47%
Wind Speed Vrbl 5 mph
Barometer 29.94 in (1013.3 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 30 Sep 9:53 am CDT
Detailed forecast for

Monroe County

Today
Mostly cloudy this morning, then becoming mostly sunny. Highs in the lower 90s. South winds 5 to 10 mph.
Tonight
Mostly cloudy. Lows in the lower 70s. South winds 5 to 10 mph with gusts up to 25 mph.
Thursday
Mostly cloudy. 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 upper 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.
Thursday Night
Cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the mid 60s. West winds 5 to 10 mph. Chance of rain 80 percent.
Friday
Showers likely in the morning, then partly sunny with a chance of showers in the afternoon. Much cooler with highs in the lower 70s. North winds 5 to 10 mph. Chance of rain 70 percent.
Friday Night Through Saturday Night
Partly cloudy. Lows in the mid 50s. Highs around 70.
Sunday And Sunday Night
Mostly clear. Highs in the lower 70s. Lows in the upper 40s.
Monday
Sunny. Highs in the upper 60s.
Monday Night And Tuesday
Mostly clear. Lows in the mid 40s. Highs in the upper 60s.



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758 AM CDT Wed Sep 30 2026
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database