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

54°F

12°C

Humidity 51%
Wind Speed Vrbl 5 mph
Barometer 29.89 in (1012.1 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 26 Feb 11:53 am CST
Extended Forecast for

2 Miles N Trenton IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 54. Light and variable wind.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. Calm wind becoming southwest around 5 mph.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68. Light southwest wind increasing to 8 to 13 mph in the morning.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. South wind 6 to 9 mph becoming north after midnight.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 63. Northeast wind 6 to 11 mph becoming southeast in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain. Partly cloudy, with a low around 31.

    Low: 31 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A chance of rain before noon, then a chance of rain and snow. Cloudy, with a high near 40. Chance of precipitation is 50%.

    High: 40 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow likely, mainly before midnight. Cloudy, with a low around 27. Chance of precipitation is 70%.

    Low: 27 °F

    Rain/Snow
    Likely

  • Monday

    Monday: A chance of rain and snow before noon, then a slight chance of rain. Cloudy, with a high near 40. Chance of precipitation is 30%.

    High: 40 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 54. Light and variable wind.
Tonight
Mostly clear, with a low around 36. Calm wind becoming southwest around 5 mph.
Friday
Sunny, with a high near 68. Light southwest wind increasing to 8 to 13 mph in the morning.
Friday Night
Mostly clear, with a low around 40. South wind 6 to 9 mph becoming north after midnight.
Saturday
Mostly sunny, with a high near 63. Northeast wind 6 to 11 mph becoming southeast in the afternoon.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 31.
Sunday
A chance of rain before noon, then a chance of rain and snow. Cloudy, with a high near 40. Chance of precipitation is 50%.
Sunday Night
Rain and snow likely, mainly before midnight. Cloudy, with a low around 27. Chance of precipitation is 70%.
Monday
A chance of rain and snow before noon, then a slight chance of rain. Cloudy, with a high near 40. Chance of precipitation is 30%.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 26.
Tuesday
A 40 percent chance of rain. Cloudy, with a high near 43.
Tuesday Night
A 40 percent chance of rain. Cloudy, with a low around 31.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 51.
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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:
11:11 am CST Feb 26, 2026
Forecast Valid:
12pm CST Feb 26, 2026-6pm CST Mar 4, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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