Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
51°F
11°C
| Humidity | 43% |
| Wind Speed | S 9 mph |
| Barometer | 30.03 in (1017.1 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 48°F (9°C) |
| Last update | 18 Mar 10:53 am CDT |
Extended Forecast for
4 Miles SW Waterloo IL
Today
High: 65 °F
Sunny
Tonight
Low: 44 °F
Mostly Cloudy
Thursday
High: 72 °F
Decreasing
CloudsThursday Night
Low: 48 °F
Mostly Clear
Friday
High: 78 °F
Mostly Sunny
Friday Night
Low: 54 °F
Partly Cloudy
Saturday
High: 79 °F
Sunny
Saturday Night
Low: 55 °F
Clear
Sunday
High: 80 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 65. West wind 7 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 44. Light and variable wind becoming south around 5 mph after midnight.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 72. Southwest wind around 6 mph becoming northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 48. North wind around 5 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 78. West wind 3 to 7 mph.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Sunny, with a high near 79.
Saturday Night
Clear, with a low around 55.
Sunday
Sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 53.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
Partly sunny, with a high near 58.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
8:52 am CDT Mar 18, 2026
11am CDT Mar 18, 2026-6pm CDT Mar 24, 2026
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