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

29°F

-2°C

Humidity 75%
Wind Speed NE 5 mph
Barometer 30.01 in (1016.7 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 3 Jan 4:53 am CST
Extended Forecast for

2 Miles N Trenton IL

  • Overnight

    Overnight: A chance of sprinkles and flurries. Cloudy, with a low around 28. North wind around 6 mph.

    Low: 28 °F

    Chance
    Sprinkles/Flurries

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 39. North wind 5 to 7 mph.

    High: 39 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 23. North wind around 5 mph becoming calm in the evening.

    Low: 23 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 40. Calm wind becoming south around 6 mph in the afternoon.

    High: 40 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. South wind around 7 mph.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of sprinkles and flurries. Cloudy, with a low around 28. North wind around 6 mph.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 39. North wind 5 to 7 mph.
Saturday Night
Mostly clear, with a low around 23. North wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 40. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 30. South wind around 7 mph.
Monday
Sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 59.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 47.
Thursday
Rain likely. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of rain. Partly cloudy, with a low around 50.
Friday
A 20 percent chance of rain. Mostly sunny, with a high near 59.
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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:
3:51 am CST Jan 3, 2026
Forecast Valid:
5am CST Jan 3, 2026-6pm CST Jan 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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