Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
Swansea IL
Tonight
Low: 45 °F
Mostly Clear
Thursday
High: 63 °F
Increasing
CloudsThursday Night
Low: 46 °F
Slight Chance
Rain then
Mostly CloudyFriday
High: 55 °F
Decreasing
CloudsFriday Night
Low: 34 °F
Mostly Clear
Saturday
High: 53 °F
Sunny
Saturday Night
Low: 33 °F
Mostly Clear
Sunday
High: 59 °F
Sunny
Sunday Night
Low: 36 °F
Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 45. Southwest wind around 6 mph.
Thursday
Increasing clouds, with a high near 63. West wind 6 to 10 mph.
Thursday Night
A slight chance of rain between 9pm and 10pm. Mostly cloudy, with a low around 46. Northwest wind 3 to 6 mph. Chance of precipitation is 20%.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 55. North wind 7 to 10 mph.
Friday Night
Mostly clear, with a low around 34. North wind 5 to 7 mph becoming calm in the evening.
Saturday
Sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 59.
Sunday Night
Clear, with a low around 36.
Monday
Sunny, with a high near 64.
Monday Night
Clear, with a low around 41.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 42.
Veterans Day
Sunny, with a high near 65.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Swansea IL
38.55°N 89.98°W (Elev. 551 ft)
38.55°N 89.98°W (Elev. 551 ft)
6:21 pm CST Nov 4, 2026
9pm CST Nov 4, 2026-6pm CST Nov 11, 2026
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