Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
37°F
3°C
| Humidity | 73% |
| Wind Speed | Calm |
| Barometer | 30.30 in (1026.3 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Last update | 12 Feb 8:53 am CST |
Extended Forecast for
Caseyville IL
Today
High: 54 °F
Partly Sunny
Tonight
Low: 33 °F
Partly Cloudy
Friday
High: 60 °F
Sunny
Friday Night
Low: 38 °F
Increasing
CloudsSaturday
High: 51 °F
Chance Rain
then Rain
LikelySaturday Night
Low: 44 °F
Rain
Sunday
High: 59 °F
Chance Rain
then Mostly
SunnySunday Night
Low: 35 °F
Mostly Clear
Washington's Birthday
High: 61 °F
Mostly Sunny
Detailed Forecast
Today
Partly sunny, with a high near 54. South wind 6 to 8 mph.
Tonight
Partly cloudy, with a low around 33. Southeast wind 6 to 8 mph.
Friday
Sunny, with a high near 60. South wind 5 to 8 mph.
Friday Night
Increasing clouds, with a low around 38. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Rain likely, mainly after noon. Cloudy, with a high near 51. Calm wind becoming southeast 5 to 8 mph in the morning. Chance of precipitation is 60%.
Saturday Night
Rain. Low around 44. Chance of precipitation is 80%.
Sunday
A 30 percent chance of rain before noon. Mostly sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 35.
Washington's Birthday
Mostly sunny, with a high near 61.
Monday Night
Mostly cloudy, with a low around 45.
Tuesday
Mostly cloudy, with a high near 65.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
A 20 percent chance of rain. Mostly cloudy, with a high near 67.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Caseyville IL
38.64°N 90.03°W (Elev. 446 ft)
38.64°N 90.03°W (Elev. 446 ft)
6:36 am CST Feb 12, 2026
9am CST Feb 12, 2026-6pm CST Feb 18, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
