News Headlines
Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
76°F
24°C
| Humidity | 67% |
| Wind Speed | E 5 mph |
| Barometer | 29.91 in (1012.4 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 20 Jun 8:53 pm CDT |
Extended Forecast for
3 Miles E Caseyville IL
Flood Watch June 21, 07:00am until June 22, 07:00am
Tonight

Low: 67 °F
Increasing
CloudsSunday

High: 84 °F
T-storms
Sunday Night
Low: 67 °F
T-storms then
Chance
T-stormsMonday
High: 77 °F
Slight Chance
Showers then
Partly SunnyMonday Night

Low: 62 °F
Partly Cloudy
Tuesday

High: 81 °F
Mostly Sunny
Tuesday Night

Low: 64 °F
Mostly Clear
Wednesday

High: 84 °F
Mostly Sunny
Wednesday Night

Low: 64 °F
Partly Cloudy
Detailed Forecast
Tonight
Increasing clouds, with a low around 67. East wind 3 to 6 mph.
Sunday
Showers and thunderstorms, mainly before 3pm. High near 84. Southeast wind 8 to 17 mph becoming south in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%.
Sunday Night
Showers and thunderstorms before 4am, then a slight chance of showers. Low around 67. South wind 10 to 13 mph becoming northwest in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 90%.
Monday
A slight chance of showers between 7am and 10am. Cloudy, then gradually becoming mostly sunny, with a high near 77. North wind 9 to 11 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 62. North wind 5 to 9 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 63.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
3 Miles E Caseyville IL
38.63°N 89.98°W (Elev. 558 ft)
38.63°N 89.98°W (Elev. 558 ft)
9:31 pm CDT Jun 20, 2026
9pm CDT Jun 20, 2026-6pm CDT Jun 27, 2026



