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.

Overcast

63°F

17°C

Humidity 60%
Wind Speed S 7 mph
Barometer 29.77 in (1007.9 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 4 May 2:53 am CDT
Extended Forecast for

Lebanon IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 56. Calm wind becoming south around 6 mph.

    Low: 56 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 80. Southwest wind 9 to 18 mph, with gusts as high as 25 mph.

    High: 80 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Low around 57. South wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

    Low: 57 °F

    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 64. South wind 6 to 13 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%.

    High: 64 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 46. North wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

    Low: 46 °F

    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers. Partly sunny, with a high near 60.

    High: 60 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 56. Calm wind becoming south around 6 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 80. Southwest wind 9 to 18 mph, with gusts as high as 25 mph.
Monday Night
Showers and thunderstorms, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Low around 57. South wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Tuesday
Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 64. South wind 6 to 13 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 46. North wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 60.
Wednesday Night
Mostly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 45.
Friday
Mostly sunny, with a high near 71.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 49.
Saturday
Sunny, with a high near 73.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 52.
Sunday
A 40 percent chance of showers. Mostly sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lebanon IL
 38.61°N 89.81°W (Elev. 463 ft)
Last Update:
2:31 am CDT May 4, 2026
Forecast Valid:
2am CDT May 4, 2026-6pm CDT May 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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