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.

Partly Cloudy

82°F

28°C

Humidity 55%
Wind Speed S 13 G 26 mph
Barometer 29.96 in (1014.0 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 3 Apr 1:53 pm CDT
Extended Forecast for

2 Miles N Trenton IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly before 3pm. Mostly sunny, with a high near 79. South wind around 18 mph, with gusts as high as 26 mph.

    High: 79 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Increasing clouds, with a low around 58. South wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.

    Low: 58 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 11am, then a chance of showers between 11am and 2pm. Temperature falling to around 56 by 5pm. West wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    High: 63 °F⇓

    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. Northwest wind 8 to 15 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 58. Northwest wind 8 to 14 mph.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly before 3pm. Mostly sunny, with a high near 79. South wind around 18 mph, with gusts as high as 26 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Increasing clouds, with a low around 58. South wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.
Saturday
Showers and possibly a thunderstorm before 11am, then a chance of showers between 11am and 2pm. Temperature falling to around 56 by 5pm. West wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Saturday Night
Partly cloudy, with a low around 39. Northwest wind 8 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 58. Northwest wind 8 to 14 mph.
Sunday Night
Clear, with a low around 38.
Monday
Sunny, with a high near 62.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 74. Breezy.
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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:
1:26 pm CDT Apr 3, 2026
Forecast Valid:
2pm CDT Apr 3, 2026-6pm CDT Apr 9, 2026
 
Forecast Discussion
 
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Additional Resources

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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