Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
48°F
9°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 30.10 in (1019.3 mb) |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 9 Oct 6:53 am CDT |
Extended Forecast for
Trenton IL
Today
High: 89 °F
Patchy Fog
then SunnyTonight
Low: 58 °F
Increasing
CloudsSaturday
High: 79 °F
Cloudy
Saturday Night
Low: 59 °F
Chance
ShowersSunday
High: 81 °F
Mostly Sunny
Sunday Night
Low: 58 °F
Mostly Clear
Columbus Day
High: 92 °F
Sunny
Monday Night
Low: 67 °F
Mostly Clear
Tuesday
High: 89 °F
Sunny
Detailed Forecast
Today
Patchy fog before 8am. Otherwise, sunny, with a high near 89. Light southeast wind becoming south 6 to 11 mph in the morning.
Tonight
Increasing clouds, with a low around 58. Southeast wind 3 to 6 mph.
Saturday
Cloudy, with a high near 79. Calm wind becoming south 5 to 9 mph in the morning.
Saturday Night
A 30 percent chance of showers, mainly between 7pm and 1am. Mostly cloudy, with a low around 59. Northeast wind 5 to 9 mph.
Sunday
Mostly sunny, with a high near 81. North wind around 6 mph.
Sunday Night
Mostly clear, with a low around 58.
Columbus Day
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
A 40 percent chance of showers. Mostly sunny, with a high near 83.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 63.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Trenton IL
38.6°N 89.69°W (Elev. 502 ft)
38.6°N 89.69°W (Elev. 502 ft)
5:01 am CDT Oct 9, 2026
7am CDT Oct 9, 2026-6pm CDT Oct 15, 2026
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