Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
77°F
25°C
| Humidity | 32% |
| Wind Speed | SW 5 mph |
| Barometer | 30.25 in (1024.2 mb) |
| Dewpoint | 45°F (7°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 26 Oct 3:53 pm CDT |
Extended Forecast for
Smithton IL
Tonight

Low: 50 °F
Partly Cloudy
Tuesday

High: 75 °F
Mostly Cloudy
Tuesday Night

Low: 51 °F
Mostly Cloudy
Wednesday

High: 79 °F
Mostly Sunny
Wednesday Night

Low: 53 °F
Mostly Clear
Thursday

High: 82 °F
Sunny
Thursday Night

Low: 54 °F
Partly Cloudy
Friday

High: 81 °F
Partly Sunny
Friday Night

Low: 56 °F
Mostly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 50. Calm wind.
Tuesday
Mostly cloudy, with a high near 75. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 51. Light south wind.
Wednesday
Mostly sunny, with a high near 79. Calm wind becoming south 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 53. South wind around 5 mph.
Thursday
Sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Partly sunny, with a high near 81.
Friday Night
Mostly cloudy, with a low around 56.
Saturday
A 40 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 75.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 57.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 76.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 58.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 75.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Smithton IL
38.41°N 89.99°W (Elev. 453 ft)
38.41°N 89.99°W (Elev. 453 ft)
3:01 pm CDT Oct 26, 2026
4pm CDT Oct 26, 2026-6pm CST Nov 2, 2026


