Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

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

Fair

21°F

-6°C

Humidity 57%
Wind Speed NW 10 mph
Barometer 30.39 in (1029.6 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 27 Jan 6:53 pm CST
Detailed forecast for

St. Clair County

Tonight
Mostly clear. Cold with lows around 1 above. Northwest winds around 5 mph, becoming west after midnight.
Wednesday
Mostly sunny. Highs around 30. West winds 5 to 10 mph. Wind chill values as low as 9 below in the morning.
Wednesday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows around 9 above. West winds around 5 mph, becoming north around 5 mph after midnight.
Thursday
Mostly cloudy. Highs in the lower 20s. Northeast winds around 5 mph.
Thursday Night
Mostly cloudy. Cold with lows around 5 above. North winds around 5 mph.
Friday Through Saturday Night
Partly cloudy. Highs 15 to 20. Lows around zero. Wind chill values as low as 15 below.
Sunday And Sunday Night
Mostly cloudy. A 20 percent chance of snow. Highs in the upper 20s. Lows around 15.
Monday Through Tuesday
Mostly cloudy. Highs in the lower 30s. Lows around 15.



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434 PM CST Tue Jan 27 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database