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.

Overcast

43°F

6°C

Humidity 60%
Wind Speed SE 7 mph
Barometer 30.32 in (1026.9 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 24 Mar 2:53 am CDT
Extended Forecast for

2 Miles N Trenton IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 36. East wind around 7 mph.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. Southeast wind 5 to 8 mph.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43. Southeast wind 5 to 7 mph.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. South wind 5 to 14 mph.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. South wind around 11 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 44. Chance of precipitation is 80%.

    Low: 44 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: A chance of rain and thunderstorms. Partly sunny, with a high near 51. Chance of precipitation is 50%.

    High: 51 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 36. East wind around 7 mph.
Tuesday
Mostly sunny, with a high near 61. Southeast wind 5 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 43. Southeast wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 75. South wind 5 to 14 mph.
Wednesday Night
Mostly clear, with a low around 62. South wind around 11 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 87.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 44. Chance of precipitation is 80%.
Friday
A chance of rain and thunderstorms. Partly sunny, with a high near 51. Chance of precipitation is 50%.
Friday Night
Mostly clear, with a low around 31.
Saturday
Sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Partly sunny, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 75.
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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:
2:56 am CDT Mar 24, 2026
Forecast Valid:
3am CDT Mar 24, 2026-6pm CDT Mar 30, 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