Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fog/Mist
67°F
19°C
| Humidity | 97% |
| Wind Speed | S 3 mph |
| Barometer | 30.05 in (1017.4 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 6.00 mi |
| Last update | 15 Oct 1:53 am CDT |
Extended Forecast for
East St. Louis IL
Overnight

Low: 67 °F
Chance
ShowersThursday

High: 81 °F
Showers
LikelyThursday Night

Low: 49 °F
Showers
LikelyFriday

High: 58 °F
Partly Sunny
Friday Night

Low: 41 °F
Mostly Cloudy
Saturday

High: 61 °F
Sunny
Saturday Night

Low: 38 °F
Clear
Sunday

High: 68 °F
Sunny
Sunday Night

Low: 41 °F
Mostly Clear
Detailed Forecast
Overnight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 67. Calm wind.
Thursday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, then gradual clearing during the afternoon, with a high near 81. Light and variable wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely before 2am, then isolated showers between 2am and 3am. Increasing clouds, with a low around 49. Southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 58. Northwest wind around 18 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 41. North wind 9 to 16 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 61.
Saturday Night
Clear, with a low around 38.
Sunday
Sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 41.
Monday
Mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 79.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
East St. Louis IL
38.62°N 90.12°W (Elev. 413 ft)
38.62°N 90.12°W (Elev. 413 ft)
1:26 am CDT Oct 15, 2026
2am CDT Oct 15, 2026-6pm CDT Oct 21, 2026


