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Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
29°F
-2°C
| Humidity | 45% |
| Wind Speed | NW 16 mph |
| Barometer | 30.32 in (1027.2 mb) |
| Dewpoint | 10°F (-12°C) |
| Visibility | 10.00 mi |
| Wind Chill | 17°F (-8°C) |
| Last update | 27 Jan 2:53 pm CST |
Extended Forecast for
4 Miles SW Waterloo IL
Tonight

Low: 3 °F
Mostly Clear
Wednesday

High: 31 °F
Sunny
Wednesday Night

Low: 10 °F
Increasing
CloudsThursday

High: 24 °F
Mostly Cloudy
Thursday Night

Low: 6 °F
Mostly Cloudy
Friday

High: 16 °F
Cold
Friday Night

Low: 1 °F
Partly Cloudy
Saturday

High: 17 °F
Cold
Saturday Night

Low: 1 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 3. North wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 31. Light west wind increasing to 5 to 9 mph in the morning.
Wednesday Night
Increasing clouds, with a low around 10. Southwest wind around 5 mph becoming light and variable in the evening.
Thursday
Mostly cloudy, with a high near 24. Northeast wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 6. North wind around 6 mph.
Friday
Mostly sunny and cold, with a high near 16.
Friday Night
Partly cloudy, with a low around 1.
Saturday
Mostly sunny and cold, with a high near 17.
Saturday Night
Partly cloudy, with a low around 1.
Sunday
Partly sunny, with a high near 27.
Sunday Night
Mostly cloudy, with a low around 15.
Monday
Partly sunny, with a high near 33.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Partly sunny, with a high near 34.
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)
3:16 pm CST Jan 27, 2026
3pm CST Jan 27, 2026-6pm CST Feb 3, 2026



