Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
A Few Clouds
67°F
19°C
| Humidity | 25% |
| Wind Speed | NW 18 G 29 mph |
| Barometer | 30.20 in (1022.6 mb) |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 19 Apr 2:53 pm CDT |
Extended Forecast for
5 Miles SW Smithton IL
This Afternoon

High: 67 °F
Sunny
Tonight

Low: 41 °F
Partly Cloudy
Monday

High: 67 °F
Sunny
Monday Night

Low: 48 °F
Mostly Clear
Tuesday

High: 77 °F
Sunny
Tuesday Night

Low: 55 °F
Clear
Wednesday

High: 79 °F
Sunny
Wednesday Night

Low: 57 °F
Mostly Clear
Thursday

High: 80 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 67. West wind 11 to 13 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 41. West wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 67. Calm wind becoming southeast 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 48. Southeast wind around 7 mph becoming south after midnight.
Tuesday
Sunny, with a high near 77. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Clear, with a low around 55.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 71.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
5 Miles SW Smithton IL
38.37°N 90.04°W (Elev. 499 ft)
38.37°N 90.04°W (Elev. 499 ft)
1:26 pm CDT Apr 19, 2026
2pm CDT Apr 19, 2026-6pm CDT Apr 25, 2026


