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

58°F

14°C

Humidity 75%
Wind Speed S 13 G 21 mph
Barometer 29.65 in (1004.0 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 17 Feb 9:53 pm CST
Extended Forecast for

2 Miles N Trenton IL

  • Tonight

    Tonight: A slight chance of rain between 2am and 4am. Cloudy, then gradually becoming partly cloudy, with a low around 52. Breezy, with a southwest wind 17 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    Low: 52 °F

    Breezy.
    Cloudy then
    Slight Chance
    Rain

  • Wednesday

    Wednesday: Sunny, with a high near 72. Southwest wind 6 to 16 mph, with gusts as high as 25 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. South wind 3 to 8 mph.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain before noon, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68. South wind 8 to 18 mph. Chance of precipitation is 50%.

    High: 68 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. West wind 11 to 16 mph, with gusts as high as 24 mph.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of snow before noon, then a chance of rain and snow. Mostly sunny, with a high near 42. Chance of precipitation is 40%.

    High: 42 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly before midnight. Partly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow

Detailed Forecast

Tonight
A slight chance of rain between 2am and 4am. Cloudy, then gradually becoming partly cloudy, with a low around 52. Breezy, with a southwest wind 17 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 72. Southwest wind 6 to 16 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 51. South wind 3 to 8 mph.
Thursday
A chance of rain before noon, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68. South wind 8 to 18 mph. Chance of precipitation is 50%.
Thursday Night
Mostly clear, with a low around 38. West wind 11 to 16 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 31.
Saturday
A slight chance of snow before noon, then a chance of rain and snow. Mostly sunny, with a high near 42. Chance of precipitation is 40%.
Saturday Night
A 30 percent chance of snow, mainly before midnight. Partly cloudy, with a low around 27.
Sunday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 37.
Sunday Night
Mostly clear, with a low around 19.
Monday
Sunny, with a high near 37.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 46.
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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:
9:56 pm CST Feb 17, 2026
Forecast Valid:
10pm CST Feb 17, 2026-6pm CST Feb 24, 2026
 
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Additional Resources

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Chance of Precipitation