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Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fog/Mist
34°F
1°C
| Humidity | 92% |
| Wind Speed | NE 5 mph |
| Barometer | 29.90 in (1012.8 mb) |
| Dewpoint | 32°F (0°C) |
| Visibility | 3.00 mi |
| Wind Chill | 29°F (-2°C) |
| Last update | 1 Jan 11:53 pm CST |
Extended Forecast for
Smithton IL
Overnight
Low: 29 °F
Patchy Fog
Friday
High: 36 °F
Patchy Fog
then CloudyFriday Night
Low: 28 °F
Cloudy
Saturday
High: 40 °F
Decreasing
CloudsSaturday Night
Low: 24 °F
Mostly Clear
Sunday
High: 42 °F
Mostly Sunny
Sunday Night
Low: 33 °F
Partly Cloudy
Monday
High: 59 °F
Mostly Sunny
Monday Night
Low: 43 °F
Mostly Cloudy
Detailed Forecast
Overnight
Patchy fog before 3am, then patchy fog after 4am. Otherwise, cloudy, with a low around 29. North wind 3 to 5 mph.
Friday
Patchy fog between 7am and 9am. Otherwise, cloudy, with a high near 36. Northeast wind 5 to 7 mph.
Friday Night
Cloudy, with a low around 28. Northeast wind 3 to 6 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 40. North wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 24. Calm wind.
Sunday
Mostly sunny, with a high near 42.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
Partly sunny, with a high near 63.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 58.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 41.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 60.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Smithton IL
38.41°N 89.99°W (Elev. 453 ft)
38.41°N 89.99°W (Elev. 453 ft)
10:21 pm CST Jan 1, 2026
12am CST Jan 2, 2026-6pm CST Jan 8, 2026
Additional Resources
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