Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
56°F
13°C
| Humidity | 84% |
| Wind Speed | Calm |
| Barometer | 29.98 in (1015.2 mb) |
| Dewpoint | 51°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 6 Oct 7:53 pm CDT |
Extended Forecast for
Waterloo IL
Tonight
Low: 52 °F
Clear
Wednesday
High: 88 °F
Sunny
Wednesday Night
Low: 57 °F
Mostly Clear
Thursday
High: 82 °F
Sunny
Thursday Night
Low: 54 °F
Mostly Clear
Friday
High: 84 °F
Sunny
Friday Night
Low: 57 °F
Clear
Saturday
High: 87 °F
Sunny
Saturday Night
Low: 59 °F
Partly Cloudy
then Chance
Showers
Detailed Forecast
Tonight
Clear, with a low around 52. Calm wind becoming southwest 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. Calm wind.
Thursday
Sunny, with a high near 82. Calm wind becoming north around 5 mph in the afternoon.
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 87.
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 82.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 82.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Waterloo IL
38.33°N 90.16°W (Elev. 600 ft)
38.33°N 90.16°W (Elev. 600 ft)
7:31 pm CDT Oct 6, 2026
7pm CDT Oct 6, 2026-6pm CDT Oct 13, 2026
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