Current conditions at

St. Louis Downtown Airport (KCPS)

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

Overcast

40°F

4°C

Humidity 86%
Wind Speed SW 3 mph
Barometer 29.96 in (1014.8 mb)
Dewpoint 36°F (2°C)
Visibility 8.00 mi
Last update 7 Dec 6:53 am CST
Detailed forecast for

Monroe County

Today
Cloudy. A chance of sprinkles this morning. Highs in the lower 40s. Temperature falling into the mid 30s this afternoon. West winds 5 to 10 mph, becoming north with gusts up to 20 mph this afternoon.
Tonight
Cloudy. Much cooler with lows in the lower 20s. North winds 5 to 10 mph.
Monday
Partly sunny in the morning, then clearing. Highs in the mid 30s. North winds around 5 mph in the morning, becoming light and variable.
Monday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 20s. Temperature rising into the lower 30s after midnight. South winds 5 to 10 mph.
Tuesday
Mostly sunny. Not as cool with highs in the mid 50s. Southwest winds 5 to 10 mph with gusts up to 25 mph.
Tuesday Night And Wednesday
Mostly cloudy. Lows in the lower 40s. Highs around 50.
Wednesday Night
Mostly cloudy. A slight chance of rain and snow after midnight. Cooler with lows in the upper 20s. Chance of precipitation 20 percent.
Thursday
Mostly cloudy with a slight chance of rain. A chance of snow, mainly in the morning. Highs in the lower 40s. Chance of precipitation 30 percent.
Thursday Night
Mostly cloudy. Cooler with lows around 20.
Friday Through Saturday
Partly cloudy. Highs in the mid 20s. Lows 5 to 10 above. Wind chill values as low as 5 below.



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503 AM CST Sun Dec 7 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database