Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
78°F
26°C
| Humidity | 30% |
| Wind Speed | S 5 mph |
| Barometer | 30.01 in (1016.0 mb) |
| Dewpoint | 44°F (7°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 6 Oct 2:53 pm CDT |
Extended Forecast for
4 Miles S Waterloo IL
Tonight
Low: 55 °F
Clear
Wednesday
High: 88 °F
Sunny
Wednesday Night
Low: 57 °F
Mostly Clear
Thursday
High: 83 °F
Sunny
Thursday Night
Low: 54 °F
Mostly Clear
Friday
High: 84 °F
Sunny
Friday Night
Low: 57 °F
Clear
Saturday
High: 88 °F
Sunny
Saturday Night
Low: 59 °F
Partly Cloudy
then Chance
Showers
Detailed Forecast
Tonight
Clear, with a low around 55. Calm wind becoming south around 5 mph after midnight.
Wednesday
Sunny, with a high near 88. West wind 5 to 7 mph.
Wednesday Night
Mostly clear, with a low around 57. Light northwest wind.
Thursday
Sunny, with a high near 83. North wind 3 to 5 mph.
Thursday Night
Mostly clear, with a low around 54. Light east wind.
Friday
Sunny, with a high near 84.
Friday Night
Clear, with a low around 57.
Saturday
Sunny, with a high near 88.
Saturday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 59.
Sunday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 58.
Columbus Day
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
A 20 percent chance of showers. Sunny, with a high near 82.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles S Waterloo IL
38.26°N 90.16°W (Elev. 659 ft)
38.26°N 90.16°W (Elev. 659 ft)
2:51 pm CDT Oct 6, 2026
3pm CDT Oct 6, 2026-6pm CDT Oct 13, 2026
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