Current conditions at

St. Louis Downtown Airport (KCPS)

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

Fair

34°F

1°C

Humidity 50%
Wind Speed Calm
Barometer 30.51 in (1033.7 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 11 Jan 5:53 pm CST
Detailed forecast for

Monroe County

Tonight
Clear. Lows in the mid 20s. Southwest winds around 5 mph.
Monday
Sunny. Not as cool with highs in the mid 50s. Southwest winds 5 to 10 mph.
Monday Night
Mostly clear. Not as cool with lows in the upper 30s. Southwest winds 5 to 10 mph.
Tuesday
Mostly sunny. Highs in the lower 60s. Southwest winds 5 to 10 mph with gusts up to 25 mph.
Tuesday Night
Mostly cloudy with a 20 percent chance of rain. Lows in the upper 30s. West winds 5 to 10 mph with gusts up to 20 mph.
Wednesday
Partly sunny in the morning, then becoming mostly cloudy. Much cooler with highs in the mid 40s. Temperature falling into the upper 30s in the afternoon.
Wednesday Night And Thursday
Partly cloudy. Lows around 20. Highs in the mid 30s.
Thursday Night Through Friday Night
Mostly cloudy. Lows in the mid 20s. Highs in the mid 40s.
Saturday
Partly sunny. Cooler with highs in the lower 30s.
Saturday Night
Partly cloudy in the evening, then clearing. Lows 10 to 15. Wind chill values as low as 5 above.
Sunday
Sunny. Highs in the mid 30s. Wind chill values as low as 5 above in the morning.



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439 PM CST Sun Jan 11 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database