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Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
84°F
29°C
| Humidity | 57% |
| Wind Speed | NE 7 mph |
| Barometer | 30.20 in (1022.2 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 87°F (31°C) |
| Last update | 13 Jul 10:53 am CDT |
Extended Forecast for
Waterloo IL
Today
High: 86 °F
Sunny
Tonight
Low: 66 °F
Clear
Tuesday
High: 88 °F
Sunny
Tuesday Night
Low: 69 °F
Mostly Clear
Wednesday
High: 89 °F
Sunny
Wednesday Night
Low: 71 °F
Mostly Clear
Thursday
High: 90 °F
Sunny
Thursday Night
Low: 72 °F
Mostly Clear
Friday
High: 91 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 86. Northeast wind 7 to 9 mph.
Tonight
Clear, with a low around 66. Northeast wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 88. Northeast wind 3 to 7 mph.
Tuesday Night
Mostly clear, with a low around 69. East wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 89. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 72.
Friday
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny, with a high near 93.
Saturday Night
Mostly clear, with a low around 73.
Sunday
Sunny, with a high near 92.
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)
8:26 am CDT Jul 13, 2026
11am CDT Jul 13, 2026-6pm CDT Jul 19, 2026
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