Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Mostly Cloudy
61°F
16°C
| Humidity | 25% |
| Wind Speed | SE 9 mph |
| Barometer | 30.15 in (1021.0 mb) |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Last update | 24 Mar 6:53 pm CDT |
Extended Forecast for
Smithton IL
Tonight

Low: 42 °F
Mostly Cloudy
Wednesday

High: 77 °F
Mostly Sunny
Wednesday Night

Low: 62 °F
Mostly Clear
Thursday

High: 88 °F
Sunny
Thursday Night
Low: 43 °F
Chance Rain
then RainFriday

High: 50 °F
Chance Rain
Friday Night

Low: 31 °F
Mostly Clear
Saturday

High: 58 °F
Sunny
Saturday Night

Low: 39 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly cloudy, with a low around 42. East wind around 6 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 77. Light southeast wind becoming south 6 to 11 mph in the morning.
Wednesday Night
Mostly clear, with a low around 62. South wind around 10 mph.
Thursday
Sunny, with a high near 88. Southwest wind 9 to 15 mph, with gusts as high as 23 mph.
Thursday Night
Rain, mainly after 1am. Low around 43. Southwest wind 10 to 16 mph becoming north after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%.
Friday
A 50 percent chance of rain before 1pm. Partly sunny, with a high near 50.
Friday Night
Mostly clear, with a low around 31.
Saturday
Sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Partly sunny, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 78.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 58.
Tuesday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 77.
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)
5:46 pm CDT Mar 24, 2026
7pm CDT Mar 24, 2026-6pm CDT Mar 31, 2026


