Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
37°F
3°C
| Humidity | 70% |
| Wind Speed | NE 6 mph |
| Barometer | 30.33 in (1027.3 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 32°F (0°C) |
| Last update | 24 Mar 6:53 am CDT |
Extended Forecast for
4 Miles SW Waterloo IL
Today

High: 62 °F
Mostly Sunny
Tonight

Low: 43 °F
Mostly Cloudy
Wednesday

High: 76 °F
Mostly Sunny
Wednesday Night

Low: 62 °F
Mostly Clear
Thursday

High: 88 °F
Sunny
Thursday Night
Low: 44 °F
Chance
Showers then
Showers
LikelyFriday

High: 52 °F
Chance Rain
Friday Night

Low: 31 °F
Mostly Clear
Saturday

High: 56 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 62. Southeast wind around 8 mph.
Tonight
Mostly cloudy, with a low around 43. Southeast wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 76. South wind 6 to 11 mph.
Wednesday Night
Mostly clear, with a low around 62. South wind 9 to 11 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 88. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Friday
A chance of rain and thunderstorms. Mostly cloudy, with a high near 52. Chance of precipitation is 50%.
Friday Night
Mostly clear, with a low around 31.
Saturday
Sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 77.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles SW Waterloo IL
38.29°N 90.19°W (Elev. 633 ft)
38.29°N 90.19°W (Elev. 633 ft)
2:56 am CDT Mar 24, 2026
7am CDT Mar 24, 2026-6pm CDT Mar 30, 2026


