Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
59°F
15°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 29.85 in (1010.7 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 7.00 mi |
| Last update | 10 Mar 6:53 am CDT |
Extended Forecast for
Caseyville IL
Today

High: 83 °F
Increasing
CloudsTonight
Low: 55 °F
Slight Chance
T-storms then
Showers
LikelyWednesday

High: 66 °F⇓
Showers and
BreezyWednesday Night
Low: 35 °F
Mostly Cloudy
and Breezy
then Partly
CloudyThursday

High: 55 °F
Sunny
Thursday Night

Low: 46 °F
Mostly Cloudy
Friday

High: 64 °F
Partly Sunny
Friday Night

Low: 40 °F
Mostly Cloudy
Saturday

High: 69 °F
Mostly Sunny
Detailed Forecast
Today
Increasing clouds, with a high near 83. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 55. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. Temperature falling to around 50 by 5pm. Breezy, with a southwest wind 13 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 35. Breezy, with a northwest wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.
Thursday
Sunny, with a high near 55. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 46.
Friday
Partly sunny, with a high near 64.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
A 20 percent chance of rain after 1am. Partly cloudy, with a low around 52.
Sunday
Rain likely. Mostly cloudy, with a high near 62. Breezy. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Blustery. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 37.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Caseyville IL
38.64°N 90.03°W (Elev. 446 ft)
38.64°N 90.03°W (Elev. 446 ft)
5:31 am CDT Mar 10, 2026
7am CDT Mar 10, 2026-6pm CDT Mar 16, 2026



