Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
57°F
14°C
| Humidity | 44% |
| Wind Speed | Vrbl 5 mph |
| Barometer | 30.52 in (1033.6 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 17 Oct 1:53 pm CDT |
Extended Forecast for
3 Miles SE Waterloo IL
Frost Advisory October 18, 01:00am until October 18, 09:00am
This Afternoon

High: 59 °F
Sunny
Tonight

Low: 36 °F
Clear
Sunday

High: 69 °F
Areas Frost
then SunnySunday Night

Low: 37 °F
Clear
Monday

High: 72 °F
Sunny
Monday Night

Low: 41 °F
Mostly Clear
Tuesday

High: 75 °F
Sunny
Tuesday Night

Low: 43 °F
Mostly Clear
Wednesday

High: 77 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 59. Light northeast wind.
Tonight
Clear, with a low around 36. Calm wind.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 69. Calm wind becoming south around 5 mph in the morning.
Sunday Night
Clear, with a low around 37. Calm wind.
Monday
Sunny, with a high near 72. Calm wind.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 79.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SE Waterloo IL
38.31°N 90.1°W (Elev. 541 ft)
38.31°N 90.1°W (Elev. 541 ft)
1:51 pm CDT Oct 17, 2026
2pm CDT Oct 17, 2026-6pm CDT Oct 23, 2026



