Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Mostly Cloudy
80°F
27°C
| Humidity | 74% |
| Wind Speed | SW 6 mph |
| Barometer | 29.94 in (1013.4 mb) |
| Dewpoint | 71°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 83°F (28°C) |
| Last update | 14 Oct 12:53 am CDT |
Extended Forecast for
Caseyville IL
Overnight
Low: 72 °F
T-storms
LikelyWednesday
High: 79 °F
T-storms then
Showers
LikelyWednesday Night
Low: 67 °F
Chance
Showers then
Chance
T-stormsThursday
High: 83 °F
Showers
LikelyThursday Night
Low: 52 °F
Showers and
BreezyFriday
High: 60 °F
Mostly Sunny
and BreezyFriday Night
Low: 40 °F
Mostly Clear
Saturday
High: 62 °F
Sunny
Saturday Night
Low: 39 °F
Clear
Detailed Forecast
Overnight
Showers and thunderstorms likely, mainly after 5am. Increasing clouds, with a low around 72. Southwest wind around 6 mph becoming west. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 1pm, then a chance of showers and thunderstorms after 1pm. High near 79. Northwest wind around 6 mph becoming light and variable. Chance of precipitation is 90%.
Wednesday Night
A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 67. North wind around 6 mph becoming east after midnight. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms between noon and 5pm, then showers likely and possibly a thunderstorm after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 83. East wind 7 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 70%.
Thursday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 52. Breezy, with a southwest wind 9 to 14 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 80%.
Friday
Mostly sunny, with a high near 60. Breezy.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 62.
Saturday Night
Clear, with a low around 39.
Sunday
Sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 77.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Caseyville IL
38.64°N 90°W (Elev. 502 ft)
38.64°N 90°W (Elev. 502 ft)
1:26 am CDT Oct 14, 2026
1am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
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