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Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
38°F
3°C
| Humidity | 62% |
| Wind Speed | SE 6 mph |
| Barometer | 30.15 in (1021.4 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 33°F (1°C) |
| Last update | 2 Feb 4:53 pm CST |
Extended Forecast for
Smithton IL
Tonight
Low: 29 °F
Mostly Cloudy
then Slight
Chance SnowTuesday
High: 34 °F
Chance Wintry
Mix then
Mostly CloudyTuesday Night

Low: 18 °F
Mostly Cloudy
Wednesday

High: 29 °F
Mostly Sunny
Wednesday Night

Low: 14 °F
Mostly Clear
Thursday

High: 40 °F
Mostly Sunny
Thursday Night

Low: 31 °F
Mostly Clear
Friday

High: 48 °F
Sunny
Friday Night

Low: 23 °F
Mostly Clear
Detailed Forecast
Tonight
A 20 percent chance of snow after 5am. Mostly cloudy, with a low around 29. Calm wind.
Tuesday
A chance of drizzle, snow, and freezing rain before 11am, then a slight chance of snow between 11am and noon. Mostly cloudy, with a high near 34. Light and variable wind becoming north 5 to 10 mph in the morning. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 18. North wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 29. North wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 14. Calm wind.
Thursday
Mostly sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 31.
Friday
Sunny, with a high near 48.
Friday Night
Mostly clear, with a low around 23.
Saturday
Mostly sunny, with a high near 39.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 48.
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)
4:46 pm CST Feb 2, 2026
5pm CST Feb 2, 2026-6pm CST Feb 9, 2026


