Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
48°F
9°C
| Humidity | 83% |
| Wind Speed | S 3 mph |
| Barometer | 29.92 in (1012.8 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 20 Mar 3:53 am CDT |
Extended Forecast for
4 Miles SW Waterloo IL
Today

High: 84 °F
Sunny
Tonight

Low: 51 °F
Partly Cloudy
Saturday

High: 80 °F
Sunny
Saturday Night

Low: 61 °F
Clear
Sunday

High: 87 °F
Sunny
Sunday Night

Low: 42 °F
Slight Chance
ShowersMonday

High: 58 °F
Mostly Sunny
Monday Night

Low: 40 °F
Partly Cloudy
Tuesday

High: 60 °F
Partly Sunny
Detailed Forecast
Today
Sunny, with a high near 84. West wind 6 to 10 mph.
Tonight
Partly cloudy, with a low around 51. West wind around 6 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 80. Light and variable wind becoming south around 6 mph in the morning.
Saturday Night
Clear, with a low around 61. South wind 5 to 10 mph.
Sunday
Sunny, with a high near 87. South wind 10 to 14 mph, with gusts as high as 23 mph.
Sunday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
A 20 percent chance of showers. 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)
3:21 am CDT Mar 20, 2026
4am CDT Mar 20, 2026-6pm CDT Mar 26, 2026



