Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Overcast
66°F
19°C
| Humidity | 90% |
| Wind Speed | Calm |
| Barometer | 29.92 in (1012.8 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 4 Apr 4:53 am CDT |
Extended Forecast for
4 Miles WSW Smithton IL
Overnight

Low: 67 °F
T-storms
Saturday
High: 63 °F⇓
T-storms then
Chance
ShowersSaturday Night

Low: 39 °F
Decreasing
CloudsSunday

High: 58 °F
Sunny
Sunday Night

Low: 39 °F
Clear
Monday

High: 62 °F
Sunny
Monday Night

Low: 36 °F
Mostly Cloudy
Tuesday

High: 54 °F
Partly Sunny
Tuesday Night

Low: 39 °F
Mostly Cloudy
Detailed Forecast
Overnight
Showers and possibly a thunderstorm. Steady temperature around 67. Southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.
Saturday
Showers and possibly a thunderstorm before 1pm, then a slight chance of showers between 1pm and 2pm. Temperature falling to around 55 by 1pm. West wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 39. Northwest wind 7 to 14 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 58. Northwest wind 6 to 11 mph.
Sunday Night
Clear, with a low around 39. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 62.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 54.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles WSW Smithton IL
38.37°N 90.04°W (Elev. 499 ft)
38.37°N 90.04°W (Elev. 499 ft)
4:36 am CDT Apr 4, 2026
5am CDT Apr 4, 2026-6pm CDT Apr 10, 2026



