


Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
58°F
14°C
Humidity | 90% |
Wind Speed | Calm |
Barometer | 30.15 in (1020.6 mb) |
Dewpoint | 55°F (13°C) |
Visibility | 10.00 mi |
Last update | 3 Aug 5:53 am CDT |
Extended Forecast for
Waterloo IL
Today
High: 82 °F
Increasing
CloudsTonight
Low: 64 °F
Mostly Cloudy
Monday
High: 81 °F
Mostly Cloudy
then Chance
T-stormsMonday Night
Low: 66 °F
Partly Cloudy
Tuesday
High: 83 °F
Partly Sunny
then Chance
T-stormsTuesday Night
Low: 67 °F
Mostly Clear
Wednesday
High: 87 °F
Mostly Sunny
Wednesday Night
Low: 68 °F
Mostly Clear
Thursday
High: 88 °F
Sunny
Detailed Forecast
Today
Increasing clouds, with a high near 82. Northeast wind 3 to 7 mph.
Tonight
Mostly cloudy, with a low around 64. Northeast wind 3 to 6 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. Northeast wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 66. Light east wind.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 71.
Saturday
Sunny, with a high near 92.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Waterloo IL
38.33°N 90.16°W (Elev. 600 ft)
38.33°N 90.16°W (Elev. 600 ft)
5:26 am CDT Aug 3, 2025
6am CDT Aug 3, 2025-6pm CDT Aug 9, 2025