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

50°F

10°C

Humidity 63%
Wind Speed NW 17 G 28 mph
Barometer 30.02 in (1016.2 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 18 Apr 9:53 am CDT
Extended Forecast for

2 Miles N Trenton IL

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 55. Northwest wind 16 to 18 mph, with gusts as high as 25 mph.

    High: 55 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Clear, with a low around 39. Northwest wind 8 to 13 mph becoming light and variable after midnight.

    Low: 39 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 67. Light west wind increasing to 11 to 16 mph in the morning. Winds could gust as high as 23 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. Northwest wind 5 to 8 mph becoming light and variable after midnight.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 65. Light and variable wind becoming south 5 to 7 mph in the morning.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 55. Northwest wind 16 to 18 mph, with gusts as high as 25 mph.
Tonight
Clear, with a low around 39. Northwest wind 8 to 13 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 67. Light west wind increasing to 11 to 16 mph in the morning. Winds could gust as high as 23 mph.
Sunday Night
Mostly clear, with a low around 40. Northwest wind 5 to 8 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 65. Light and variable wind becoming south 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 82.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 77. Chance of precipitation is 70%.
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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:
9:01 am CDT Apr 18, 2026
Forecast Valid:
10am CDT Apr 18, 2026-6pm CDT Apr 24, 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