National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Overcast

58°F

14°C

Humidity 28%
Wind Speed SE 10 mph
Barometer 29.96 in (1014.6 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 17 Nov 5:53 pm CST
Extended Forecast for

Trenton IL

  • Tonight

    Tonight: A chance of rain and thunderstorms before 4am, then a slight chance of rain and thunderstorms after 5am. Cloudy, with a low around 47. Southeast wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    Low: 47 °F

    Chance Rain
    then Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of rain and thunderstorms, mainly between 10am and 3pm. Mostly cloudy, with a high near 69. Southeast wind 6 to 10 mph becoming northwest in the afternoon.

    High: 69 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46. North wind around 6 mph becoming calm in the evening.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 61. Light north wind.

    High: 61 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 47. Light and variable wind.

    Low: 47 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain likely, then rain and possibly a thunderstorm after 9am. High near 66. Chance of precipitation is 80%.

    High: 66 °F

    Rain

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm before midnight, then rain likely. Low around 53. Chance of precipitation is 80%.

    Low: 53 °F

    Rain

  • Friday

    Friday: Rain likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.

    High: 62 °F

    Rain Likely

  • Friday Night

    Friday Night: A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

Detailed Forecast

Tonight
A chance of rain and thunderstorms before 4am, then a slight chance of rain and thunderstorms after 5am. Cloudy, with a low around 47. Southeast wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Tuesday
A 20 percent chance of rain and thunderstorms, mainly between 10am and 3pm. Mostly cloudy, with a high near 69. Southeast wind 6 to 10 mph becoming northwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 46. North wind around 6 mph becoming calm in the evening.
Wednesday
Mostly cloudy, with a high near 61. Light north wind.
Wednesday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 47. Light and variable wind.
Thursday
Rain likely, then rain and possibly a thunderstorm after 9am. High near 66. Chance of precipitation is 80%.
Thursday Night
Rain and possibly a thunderstorm before midnight, then rain likely. Low around 53. Chance of precipitation is 80%.
Friday
Rain likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 41.
Monday
A 20 percent chance of rain. Partly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Trenton IL
 38.6°N 89.66°W (Elev. 456 ft)
Last Update:
5:56 pm CST Nov 17, 2025
Forecast Valid:
6pm CST Nov 17, 2025-6pm CST Nov 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation