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

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

53°F

12°C

Humidity 86%
Wind Speed SE 6 mph
Barometer 29.63 in (1003.1 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 18 Feb 10:53 pm CST
Extended Forecast for

2 Miles N Trenton IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. South wind around 6 mph.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 3pm. Partly sunny, with a high near 68. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely then
    Scattered
    T-storms and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 36. Breezy, with a west wind 11 to 20 mph, with gusts as high as 28 mph.

    Low: 36 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Friday

    Friday: Sunny, with a high near 49. West wind 13 to 18 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31. North wind around 6 mph.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain and snow after noon. Mostly sunny, with a high near 44. Chance of precipitation is 20%.

    High: 44 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 38. Breezy.

    High: 38 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 49. South wind around 6 mph.
Thursday
Showers and thunderstorms likely, mainly before 3pm. Partly sunny, with a high near 68. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 60%.
Thursday Night
Mostly clear, with a low around 36. Breezy, with a west wind 11 to 20 mph, with gusts as high as 28 mph.
Friday
Sunny, with a high near 49. West wind 13 to 18 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 26 mph.
Friday Night
Partly cloudy, with a low around 31. North wind around 6 mph.
Saturday
A slight chance of rain and snow after noon. Mostly sunny, with a high near 44. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Sunny, with a high near 38. Breezy.
Sunday Night
Mostly clear, with a low around 20.
Monday
Sunny, with a high near 37.
Monday Night
Mostly clear, with a low around 20.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Trenton IL
 38.63°N 89.69°W (Elev. 502 ft)
Last Update:
9:36 pm CST Feb 18, 2026
Forecast Valid:
11pm CST Feb 18, 2026-6pm CST Feb 25, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation