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

33°F

1°C

Humidity 75%
Wind Speed SW 5 mph
Barometer 30.32 in (1027.0 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 12 Mar 6:53 am CDT
Extended Forecast for

Lebanon IL

  • Today

    Today: Sunny, with a high near 55. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 44. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 37 mph.

    Low: 44 °F

    Mostly Clear
    then Partly
    Cloudy and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 60. West wind 16 to 18 mph, with gusts as high as 31 mph.

    High: 60 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36. Northwest wind 5 to 7 mph becoming light and variable.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 62. Southeast wind 6 to 13 mph.

    High: 62 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1pm. High near 67. Breezy. Chance of precipitation is 80%.

    High: 67 °F

    Breezy.
    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain likely, possibly mixed with snow before 1am, then a chance of snow. Some thunder is also possible. Mostly cloudy, with a low around 23. Breezy. Chance of precipitation is 60%.

    Low: 23 °F

    Rain/Snow
    Likely and
    Breezy

  • Monday

    Monday: Mostly sunny, with a high near 33. Breezy.

    High: 33 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
Sunny, with a high near 55. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Tonight
Increasing clouds, with a low around 44. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 37 mph.
Friday
Partly sunny, with a high near 60. West wind 16 to 18 mph, with gusts as high as 31 mph.
Friday Night
Partly cloudy, with a low around 36. Northwest wind 5 to 7 mph becoming light and variable.
Saturday
Partly sunny, with a high near 62. Southeast wind 6 to 13 mph.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1pm. High near 67. Breezy. Chance of precipitation is 80%.
Sunday Night
Rain likely, possibly mixed with snow before 1am, then a chance of snow. Some thunder is also possible. Mostly cloudy, with a low around 23. Breezy. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 33. Breezy.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Partly sunny, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Lebanon IL
 38.61°N 89.81°W (Elev. 463 ft)
Last Update:
5:56 am CDT Mar 12, 2026
Forecast Valid:
7am CDT Mar 12, 2026-6pm CDT Mar 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation