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

71°F

22°C

Humidity 76%
Wind Speed S 5 mph
Barometer 30.04 in (1016.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 12 Jun 1:53 am CDT
Extended Forecast for

2 Miles N Trenton IL

  • Overnight

    Overnight: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 84. South wind 3 to 6 mph.

    High: 84 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 69. Southeast wind 3 to 5 mph. Chance of precipitation is 40%.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 10am. High near 80. South wind 5 to 9 mph. Chance of precipitation is 80%.

    High: 80 °F

    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South wind 5 to 7 mph.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 65. Calm wind.
Thursday
Increasing clouds, with a high near 84. South wind 3 to 6 mph.
Thursday Night
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 69. Southeast wind 3 to 5 mph. Chance of precipitation is 40%.
Friday
Showers likely, then showers and possibly a thunderstorm after 10am. High near 80. South wind 5 to 9 mph. Chance of precipitation is 80%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South wind 5 to 7 mph.
Saturday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Sunday Night
A slight chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 20%.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Trenton IL
 38.63°N 89.69°W (Elev. 502 ft)
Last Update:
10:37 pm CDT Jun 11, 2025
Forecast Valid:
2am CDT Jun 12, 2025-6pm CDT Jun 18, 2025
 
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