Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

65°F

18°C

Humidity 73%
Wind Speed S 5 mph
Barometer 30.08 in (1018.2 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 4 Oct 10:53 pm CDT
Extended Forecast for

Lebanon IL

  • Tonight

    Tonight: Clear, with a low around 58. South wind 3 to 5 mph.

    Low: 58 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 88. South wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 63. South wind 3 to 8 mph.

    Low: 63 °F

    Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 86. South wind 3 to 8 mph.

    High: 86 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 65. South wind around 6 mph becoming calm  in the evening.

    Low: 65 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 78.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 58. South wind 3 to 5 mph.
Sunday
Sunny, with a high near 88. South wind 5 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 63. South wind 3 to 8 mph.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. South wind 3 to 8 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind around 6 mph becoming calm in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Lebanon IL
 38.61°N 89.81°W (Elev. 463 ft)
10:41 pm CDT Oct 4, 2025
11pm CDT Oct 4, 2025-6pm CDT Oct 11, 2025
 
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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