Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
72°F
22°C
| Humidity | 59% |
| Wind Speed | SW 9 G 17 mph |
| Barometer | 29.79 in (1008.5 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 26 Mar 4:53 am CDT |
Extended Forecast for
4 Miles WSW Smithton IL
Today
High: 89 °F
Sunny then
Sunny and
BreezyTonight
Low: 41 °F
Partly Cloudy
then Showers
LikelyFriday

High: 53 °F
Chance
ShowersFriday Night

Low: 31 °F
Mostly Clear
Saturday

High: 55 °F
Sunny
Saturday Night

Low: 40 °F
Mostly Cloudy
Sunday

High: 66 °F
Partly Sunny
Sunday Night

Low: 55 °F
Partly Cloudy
Monday

High: 80 °F
Slight Chance
T-storms
Detailed Forecast
Today
Sunny, with a high near 89. Breezy, with a southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 41. Southwest wind 8 to 17 mph becoming north after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 70%.
Friday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 53. North wind 16 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.
Friday Night
Mostly clear, with a low around 31. North wind 6 to 13 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 55. Calm wind becoming southeast 5 to 8 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 55.
Monday
A 20 percent chance of rain and thunderstorms before 1pm. Mostly sunny, with a high near 80.
Monday Night
A 20 percent chance of rain. Partly cloudy, with a low around 62.
Tuesday
A 30 percent chance of rain and thunderstorms. Partly sunny, with a high near 82.
Tuesday Night
A 30 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 63.
Wednesday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 79.
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)
4:21 am CDT Mar 26, 2026
5am CDT Mar 26, 2026-6pm CDT Apr 1, 2026



