Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

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

Overcast

65°F

18°C

Humidity 73%
Wind Speed N 3 mph
Barometer 29.95 in (1013.7 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 3 Apr 3:53 am CDT
Detailed forecast for

St. Clair County

Today
Partly sunny. A slight chance of showers and thunderstorms this morning, then a chance of showers and thunderstorms this afternoon. Highs in the lower 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent.
Tonight
A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the upper 50s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.
Saturday
Showers with a chance of thunderstorms in the morning, then a slight chance of showers in the afternoon. Much cooler. Less humid with highs in the lower 60s. West winds 10 to 15 mph with gusts up to 30 mph. Chance of rain near 100 percent.
Saturday Night
Partly cloudy in the evening, then clearing. Much cooler with lows around 40. Northwest winds 10 to 15 mph.
Sunday
Sunny. Highs in the upper 50s. Northwest winds 10 to 15 mph.
Sunday Night
Clear. Lows around 40.
Monday
Sunny. Highs in the lower 60s.
Monday Night And Tuesday
Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.
Tuesday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 30s.
Wednesday
Partly sunny. Not as cool with highs in the lower 70s.
Wednesday Night
Partly cloudy. Not as cool with lows in the lower 50s.
Thursday
Mostly sunny. A slight chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 20 percent.



Basemap Options
Click map to change the forecast location
Loading map...
453 AM CDT Fri Apr 3 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database