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

31°F

-1°C

Humidity 42%
Wind Speed NW 20 G 32 mph
Barometer 30.46 in (1031.9 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 22 Feb 1:53 pm CST
Extended Forecast for

2 Miles N Trenton IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 30. Blustery, with a northwest wind 20 to 22 mph, with gusts as high as 32 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 30 mph.

    Low: 15 °F

    Increasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 33. Northwest wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 33 °F

    Sunny

  • Monday Night

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

    Low: 19 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 50. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the morning. Winds could gust as high as 28 mph.

    High: 50 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.

    Low: 37 °F

    Rain Likely

  • Thursday

    Thursday: A 30 percent chance of rain before noon. Mostly sunny, with a high near 51.

    High: 51 °F

    Chance Rain
    then Mostly
    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 30. Blustery, with a northwest wind 20 to 22 mph, with gusts as high as 32 mph.
Tonight
Increasing clouds, with a low around 15. Northwest wind 16 to 18 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 33. Northwest wind 9 to 16 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 19. Calm wind becoming south 5 to 8 mph after midnight.
Tuesday
Mostly cloudy, with a high near 50. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the morning. Winds could gust as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Thursday
A 30 percent chance of rain before noon. Mostly sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 28.
Friday
Sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 63.
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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:
12:26 pm CST Feb 22, 2026
Forecast Valid:
2pm CST Feb 22, 2026-6pm CST Feb 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation