


Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
A Few Clouds
83°F
28°C
Humidity | 44% |
Wind Speed | S 7 mph |
Barometer | 30.16 in (1020.8 mb) |
Dewpoint | 59°F (15°C) |
Visibility | 10.00 mi |
Heat Index | 83°F (28°C) |
Last update | 4 Oct 11:53 am CDT |
Extended Forecast for
Swansea IL
This Afternoon
High: 87 °F
Sunny
Tonight
Low: 59 °F
Clear
Sunday
High: 88 °F
Sunny
Sunday Night
Low: 63 °F
Mostly Clear
Monday
High: 86 °F
Chance
ShowersMonday Night
Low: 66 °F
Slight Chance
Showers then
Chance
T-stormsTuesday
High: 78 °F
Chance
T-stormsTuesday Night
Low: 55 °F
Mostly Cloudy
Wednesday
High: 74 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 87. South wind around 10 mph.
Tonight
Clear, with a low around 59. South wind 5 to 7 mph.
Sunday
Sunny, with a high near 88. South wind 6 to 11 mph.
Sunday Night
Mostly clear, with a low around 63. South wind 5 to 7 mph.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. South wind 3 to 7 mph. Chance of precipitation is 40%.
Monday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. Chance of precipitation is 40%.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 77.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Swansea IL
38.55°N 90.01°W (Elev. 548 ft)
38.55°N 90.01°W (Elev. 548 ft)
11:51 am CDT Oct 4, 2025
12pm CDT Oct 4, 2025-6pm CDT Oct 10, 2025