Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Overcast
60°F
16°C
| Humidity | 67% |
| Wind Speed | W 6 mph |
| Barometer | 29.81 in (1009.3 mb) |
| Dewpoint | 49°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 4 Nov 3:53 pm CST |
Extended Forecast for
Waterloo IL
Tonight
Low: 44 °F
Decreasing
CloudsThursday
High: 63 °F
Sunny
Thursday Night
Low: 45 °F
Isolated
Showers then
Mostly CloudyFriday
High: 54 °F
Decreasing
CloudsFriday Night
Low: 34 °F
Mostly Clear
Saturday
High: 52 °F
Mostly Sunny
Saturday Night
Low: 33 °F
Mostly Clear
Sunday
High: 58 °F
Sunny
Sunday Night
Low: 35 °F
Clear
Detailed Forecast
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 44. Southwest wind 3 to 5 mph.
Thursday
Sunny, with a high near 63. West wind 5 to 9 mph.
Thursday Night
Isolated showers between 9pm and 10pm. Mostly cloudy, with a low around 45. Northwest wind 3 to 6 mph. Chance of precipitation is 20%.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 54. North wind 6 to 9 mph.
Friday Night
Mostly clear, with a low around 34. North wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 58.
Sunday Night
Clear, with a low around 35.
Monday
Sunny, with a high near 64.
Monday Night
Clear, with a low around 40.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 42.
Veterans Day
Mostly sunny, with a high near 65.
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)
2:21 pm CST Nov 4, 2026
4pm CST Nov 4, 2026-6pm CST Nov 11, 2026
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