Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
77°F
25°C
| Humidity | 29% |
| Wind Speed | N 6 mph |
| Barometer | 30.18 in (1021.7 mb) |
| Dewpoint | 42°F (6°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 5 Oct 3:53 pm CDT |
Extended Forecast for
4 Miles WSW Smithton IL
Tonight
Low: 47 °F
Clear
Tuesday
High: 80 °F
Sunny
Tuesday Night
Low: 54 °F
Clear
Wednesday
High: 87 °F
Sunny
Wednesday Night
Low: 58 °F
Clear
Thursday
High: 84 °F
Sunny
Thursday Night
Low: 54 °F
Mostly Clear
Friday
High: 82 °F
Sunny
Friday Night
Low: 52 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 47. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 80. Calm wind becoming south 5 to 7 mph in the morning.
Tuesday Night
Clear, with a low around 54. Southeast wind around 5 mph becoming southwest after midnight.
Wednesday
Sunny, with a high near 87. West wind around 6 mph.
Wednesday Night
Clear, with a low around 58. Calm wind.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 59.
Columbus Day
A 20 percent chance of showers. Mostly sunny, with a high near 82.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles WSW Smithton IL
38.37°N 90.04°W (Elev. 499 ft)
38.37°N 90.04°W (Elev. 499 ft)
3:06 pm CDT Oct 5, 2026
4pm CDT Oct 5, 2026-6pm CDT Oct 12, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
