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.

Fair

85°F

29°C

Humidity 50%
Wind Speed N 3 mph
Barometer 30.16 in (1021.0 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 2 Oct 2:53 pm CDT
Extended Forecast for

Lebanon IL

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms. Mostly sunny, with a high near 88. South wind around 6 mph. Chance of precipitation is 20%.

    High: 88 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 8pm, then isolated showers between 8pm and 9pm. Partly cloudy, with a low around 64. South wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 88. Southwest wind 3 to 6 mph.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. South wind around 5 mph becoming calm after midnight.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87. Light south wind increasing to 5 to 10 mph in the morning.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.

    High: 86 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Mostly sunny, with a high near 88. South wind around 6 mph. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms before 8pm, then isolated showers between 8pm and 9pm. Partly cloudy, with a low around 64. South wind 3 to 5 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 88. Southwest wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 60. South wind around 5 mph becoming calm after midnight.
Saturday
Sunny, with a high near 87. Light south wind increasing to 5 to 10 mph in the morning.
Saturday Night
Clear, with a low around 58.
Sunday
Sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 61.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 64.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lebanon IL
 38.61°N 89.81°W (Elev. 463 ft)
Last Update:
4:16 pm CDT Oct 2, 2025
Forecast Valid:
4pm CDT Oct 2, 2025-6pm CDT Oct 9, 2025
 
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