Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Mostly Cloudy
77°F
25°C
| Humidity | 42% |
| Wind Speed | S 16 G 38 mph |
| Barometer | 29.89 in (1011.9 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 12 Apr 5:53 pm CDT |
Extended Forecast for
Smithton IL
Tonight

Low: 66 °F
Chance
ShowersMonday

High: 83 °F
Partly Sunny
Monday Night

Low: 67 °F
Partly Cloudy
Tuesday
High: 86 °F
Partly Sunny
then Slight
Chance
T-stormsTuesday Night
Low: 68 °F
Slight Chance
T-storms then
Chance
ShowersWednesday

High: 81 °F
Showers
LikelyWednesday Night

Low: 63 °F
Showers
LikelyThursday

High: 84 °F
Slight Chance
ShowersThursday Night

Low: 61 °F
Mostly Clear
Detailed Forecast
Tonight
A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 66. South wind 10 to 17 mph, with gusts as high as 28 mph.
Monday
Partly sunny, with a high near 83. South wind 9 to 16 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 67. South wind 10 to 14 mph, with gusts as high as 24 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. South wind 10 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 68. South wind 10 to 14 mph, with gusts as high as 22 mph.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Thursday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 61.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 63.
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)
6:35 pm CDT Apr 12, 2026
6pm CDT Apr 12, 2026-6pm CDT Apr 19, 2026


