Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

49°F

9°C

Humidity 36%
Wind Speed SE 7 mph
Barometer 30.36 in (1028.2 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 28 Mar 7:53 pm CDT
Extended Forecast for

2 Miles N Trenton IL

  • Tonight

    Tonight: Increasing clouds, with a low around 39. South wind around 6 mph.

    Low: 39 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 68. South wind 6 to 16 mph, with gusts as high as 23 mph.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 55. South wind around 11 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 80. Breezy, with a south wind 13 to 21 mph, with gusts as high as 28 mph.

    High: 80 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. South wind around 18 mph, with gusts as high as 28 mph.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain, then a chance of rain and thunderstorms after 1pm.  Partly sunny, with a high near 83. Breezy.  Chance of precipitation is 40%.

    High: 83 °F

    Breezy.
    Slight Chance
    Rain then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Rain likely and possibly a thunderstorm, then rain after 1am.  Low around 47. Chance of precipitation is 80%.

    Low: 47 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 1pm.  Mostly cloudy, with a high near 55. Chance of precipitation is 60%.

    High: 55 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 1am.  Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Rain Likely

Detailed Forecast

Tonight
Increasing clouds, with a low around 39. South wind around 6 mph.
Sunday
Mostly sunny, with a high near 68. South wind 6 to 16 mph, with gusts as high as 23 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 55. South wind around 11 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 80. Breezy, with a south wind 13 to 21 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 64. South wind around 18 mph, with gusts as high as 28 mph.
Tuesday
A slight chance of rain, then a chance of rain and thunderstorms after 1pm. Partly sunny, with a high near 83. Breezy. Chance of precipitation is 40%.
Tuesday Night
Rain likely and possibly a thunderstorm, then rain after 1am. Low around 47. Chance of precipitation is 80%.
Wednesday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Wednesday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Thursday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 44.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 70.
Friday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 53.
Saturday
Rain likely. Mostly cloudy, with a high near 69. Breezy. Chance of precipitation is 60%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Trenton IL
 38.63°N 89.69°W (Elev. 502 ft)
6:01 pm CDT Mar 28, 2026
8pm CDT Mar 28, 2026-6pm CDT Apr 4, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database