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

44°F

7°C

Humidity 71%
Wind Speed S 3 mph
Barometer 30.24 in (1024.0 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 6 Nov 7:53 am CST
Extended Forecast for

Lebanon IL

  • Today

    Today: Sunny, with a high near 65. Southeast wind 5 to 14 mph, with gusts as high as 21 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 53. Southeast wind 8 to 13 mph becoming southwest after midnight. Winds could gust as high as 23 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 72. West wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 72 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43. West wind around 6 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of rain after noon. Partly sunny, with a high near 67. Light and variable wind becoming southwest 8 to 13 mph in the morning.

    High: 67 °F

    Partly Sunny
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 42. Breezy.

    High: 42 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 65. Southeast wind 5 to 14 mph, with gusts as high as 21 mph.
Tonight
Increasing clouds, with a low around 53. Southeast wind 8 to 13 mph becoming southwest after midnight. Winds could gust as high as 23 mph.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 72. West wind 8 to 13 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 43. West wind around 6 mph becoming calm in the evening.
Saturday
A 30 percent chance of rain after noon. Partly sunny, with a high near 67. Light and variable wind becoming southwest 8 to 13 mph in the morning.
Saturday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 42. Breezy.
Sunday Night
Mostly clear, with a low around 23.
Monday
Sunny, with a high near 42.
Monday Night
Mostly clear, with a low around 26.
Veterans Day
Mostly sunny, with a high near 58.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lebanon IL
 38.61°N 89.81°W (Elev. 463 ft)
Last Update:
6:36 am CST Nov 6, 2025
Forecast Valid:
7am CST Nov 6, 2025-6pm CST Nov 12, 2025
 
Forecast Discussion
 
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Additional Resources

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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