Current conditions at

St. Louis Downtown Airport (KCPS)

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

Fair

52°F

11°C

Humidity 77%
Wind Speed NE 6 mph
Barometer 30.14 in (1020.7 mb)
Dewpoint 45°F (7°C)
Visibility 8.00 mi
Wind Chill50°F (10°C)
Last update 22 Nov 10:53 am CST
Detailed forecast for

St. Clair County

Rest Of Today
Mostly sunny. Highs in the mid 50s. Northwest winds around 5 mph.
Tonight
Partly cloudy. Patchy fog after midnight. Lows in the lower 40s. West winds around 5 mph.
Sunday
Patchy fog in the morning. Sunny. Highs in the upper 50s. Northwest winds around 5 mph, becoming northeast in the afternoon.
Sunday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 40s. Southeast winds around 5 mph.
Monday
Cloudy. A slight chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 50s. Southeast winds 5 to 10 mph. Chance of rain 70 percent.
Monday Night
Mostly cloudy. Showers, mainly in the evening. Near steady temperature in the lower 50s. Chance of rain 90 percent.
Tuesday
Partly sunny. A slight chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 20 percent.
Tuesday Night And Wednesday
Partly cloudy. Lows in the mid 30s. Highs in the upper 40s.
Wednesday Night Through Friday
Partly cloudy. Lows in the upper 20s. Highs in the mid 40s.



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1028 AM CST Sat Nov 22 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database