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Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
27°F
-3°C
| Humidity | 63% |
| Wind Speed | NW 14 mph |
| Barometer | 30.45 in (1031.4 mb) |
| Dewpoint | 16°F (-9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 16°F (-9°C) |
| Last update | 11 Jan 7:53 am CST |
Extended Forecast for
East St. Louis IL
Today
High: 39 °F
Sunny
Tonight
Low: 27 °F
Mostly Clear
Monday
High: 53 °F
Sunny
Monday Night
Low: 38 °F
Partly Cloudy
Tuesday
High: 61 °F
Partly Sunny
Tuesday Night
Low: 39 °F
Mostly Cloudy
then Slight
Chance RainWednesday
High: 45 °F
Partly Sunny
Wednesday Night
Low: 20 °F
Partly Cloudy
Thursday
High: 39 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 39. Northwest wind 6 to 13 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 27. Light and variable wind becoming southwest around 6 mph after midnight.
Monday
Sunny, with a high near 53. West wind 5 to 8 mph.
Monday Night
Partly cloudy, with a low around 38. Southwest wind 3 to 7 mph.
Tuesday
Partly sunny, with a high near 61. West wind 7 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 20.
Thursday
Mostly sunny, with a high near 39.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
Mostly cloudy, with a high near 44.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 34.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
East St. Louis IL
38.62°N 90.15°W (Elev. 407 ft)
38.62°N 90.15°W (Elev. 407 ft)
6:21 am CST Jan 11, 2026
8am CST Jan 11, 2026-6pm CST Jan 17, 2026
Additional Resources
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Hourly Weather Forecast
