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 and Breezy

23°F

-5°C

Humidity 57%
Wind Speed NW 22 G 32 mph
Barometer 30.42 in (1030.6 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 22 Feb 7:53 am CST
Extended Forecast for

2 Miles N Trenton IL

  • Today

    Today: Sunny, with a high near 30. Blustery, with a northwest wind 16 to 23 mph, with gusts as high as 34 mph.

    High: 30 °F

    Sunny and
    Blustery

  • Tonight

    Tonight: Increasing clouds, with a low around 15. Northwest wind 16 to 18 mph, with gusts as high as 29 mph.

    Low: 15 °F

    Increasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 33. Northwest wind 8 to 17 mph, with gusts as high as 28 mph.

    High: 33 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 19. Calm wind becoming south 5 to 8 mph after midnight.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 51. Breezy, with a south wind 10 to 20 mph, with gusts as high as 28 mph.

    High: 51 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain, mainly before noon. Mostly sunny, with a high near 52.

    High: 52 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 30. Blustery, with a northwest wind 16 to 23 mph, with gusts as high as 34 mph.
Tonight
Increasing clouds, with a low around 15. Northwest wind 16 to 18 mph, with gusts as high as 29 mph.
Monday
Sunny, with a high near 33. Northwest wind 8 to 17 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 19. Calm wind becoming south 5 to 8 mph after midnight.
Tuesday
Partly sunny, with a high near 51. Breezy, with a south wind 10 to 20 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 55.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 38.
Thursday
A 40 percent chance of rain, mainly before noon. Mostly sunny, with a high near 52.
Thursday Night
Mostly clear, with a low around 30.
Friday
Sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 40.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 62.
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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:
7:56 am CST Feb 22, 2026
Forecast Valid:
8am CST Feb 22, 2026-6pm CST Feb 28, 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