Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
66°F
19°C
| Humidity | 81% |
| Wind Speed | SW 6 mph |
| Barometer | 29.87 in (1011.2 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 10 Mar 2:53 am CDT |
Extended Forecast for
Smithton IL
Overnight

Low: 60 °F
Mostly Clear
Tuesday

High: 81 °F
Increasing
CloudsTuesday Night
Low: 57 °F
Mostly Cloudy
then Showers
LikelyWednesday

High: 69 °F⇓
Showers and
BreezyWednesday Night

Low: 34 °F
Mostly Cloudy
Thursday

High: 54 °F
Sunny
Thursday Night

Low: 44 °F
Partly Cloudy
Friday

High: 64 °F
Partly Sunny
Friday Night

Low: 39 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 60. South wind around 7 mph.
Tuesday
Increasing clouds, with a high near 81. South wind 6 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 57. South wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Wednesday
Showers and possibly a thunderstorm before 1pm, then showers likely between 1pm and 2pm, then rain likely after 2pm. Temperature falling to around 50 by 5pm. Breezy, with a southwest wind 13 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy, with a low around 34. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.
Thursday
Sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 64.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 52.
Sunday
Rain likely. Mostly cloudy, with a high near 62. Breezy. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 24. Blustery. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 37.
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)
1:25 am CDT Mar 10, 2026
3am CDT Mar 10, 2026-6pm CDT Mar 16, 2026


