Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
52°F
11°C
| Humidity | 86% |
| Wind Speed | SW 3 mph |
| Barometer | 29.98 in (1015.0 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 6 Oct 11:53 pm CDT |
Extended Forecast for
Swansea IL
Overnight
Low: 52 °F
Clear
Wednesday
High: 89 °F
Sunny
Wednesday Night
Low: 58 °F
Mostly Clear
Thursday
High: 83 °F
Sunny
Thursday Night
Low: 55 °F
Clear
Friday
High: 86 °F
Sunny
Friday Night
Low: 59 °F
Clear
Saturday
High: 89 °F
Sunny
Saturday Night
Low: 60 °F
Partly Cloudy
then Chance
Showers
Detailed Forecast
Overnight
Clear, with a low around 52. Southwest wind 3 to 5 mph.
Wednesday
Sunny, with a high near 89. West wind 5 to 8 mph.
Wednesday Night
Mostly clear, with a low around 58. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 83. Calm wind becoming north around 6 mph in the morning.
Thursday Night
Clear, with a low around 55. Northeast wind 3 to 6 mph.
Friday
Sunny, with a high near 86.
Friday Night
Clear, with a low around 59.
Saturday
Sunny, with a high near 89.
Saturday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 60.
Sunday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 59.
Columbus Day
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
A 30 percent chance of showers. Sunny, with a high near 83.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Swansea IL
38.55°N 90.01°W (Elev. 548 ft)
38.55°N 90.01°W (Elev. 548 ft)
10:46 pm CDT Oct 6, 2026
12am CDT Oct 7, 2026-6pm CDT Oct 13, 2026
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