Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
74°F
23°C
| Humidity | 62% |
| Wind Speed | SW 8 G 17 mph |
| Barometer | 29.94 in (1013.6 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 16 Apr 11:53 am CDT |
Extended Forecast for
5 Miles SW Smithton IL
This Afternoon

High: 82 °F
Sunny
Tonight

Low: 58 °F
Decreasing
CloudsFriday
High: 83 °F
Slight Chance
T-storms then
Mostly SunnyFriday Night
Low: 50 °F
Chance
T-storms then
T-stormsSaturday
High: 56 °F
Chance
T-storms then
Chance
ShowersSaturday Night

Low: 39 °F
Slight Chance
ShowersSunday

High: 65 °F
Sunny
Sunday Night

Low: 42 °F
Clear
Monday

High: 72 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 82. West wind 6 to 8 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 58. Light south wind.
Friday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 83. South wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Friday Night
Showers and thunderstorms, mainly before 4am, then showers and possibly a thunderstorm after 4am. Low around 50. South wind 10 to 13 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a steady temperature around 56. Northwest wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Saturday Night
A 20 percent chance of showers before 1am. Mostly clear, with a low around 39.
Sunday
Sunny, with a high near 65.
Sunday Night
Clear, with a low around 42.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
A 20 percent chance of showers. Mostly clear, with a low around 54.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 78.
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)
12:06 pm CDT Apr 16, 2026
12pm CDT Apr 16, 2026-6pm CDT Apr 22, 2026



