Current conditions at

St. Louis Downtown Airport (KCPS)

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

Fair

51°F

11°C

Humidity 41%
Wind Speed NW 12 mph
Barometer 30.19 in (1022.4 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 18 Apr 9:53 pm CDT
Detailed forecast for

Monroe County

Overnight
Clear. Lows in the upper 30s. West winds around 5 mph.
Sunday
Sunny. Not as cool with highs in the upper 60s. West winds 10 to 15 mph. Gusts up to 30 mph in the afternoon.
Sunday Night
Mostly clear in the evening, then becoming partly cloudy. Lows around 40. North winds 5 to 10 mph with gusts up to 20 mph, becoming northeast after midnight.
Monday
Sunny. Highs in the upper 60s. Southeast winds around 5 mph.
Monday Night
Mostly clear. Not as cool with lows around 50. South winds around 5 mph.
Tuesday Through Wednesday Night
Mostly clear. Highs around 80. Lows in the upper 50s.
Thursday
Mostly sunny. Highs in the lower 80s.
Thursday Night
Mostly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Chance of rain 50 percent.
Friday
Showers likely with a chance of thunderstorms. Highs in the mid 70s. Chance of rain 70 percent.
Friday Night
Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Cooler with lows in the upper 40s. Chance of rain 50 percent.
Saturday
Mostly sunny with a 20 percent chance of showers. Highs in the upper 60s.



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1048 PM CDT Sat Apr 18 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database