Areas of Showers and Thunderstorms to Start the Work Week

Areas of rain and thunderstorms are forecast Monday across the central and eastern states. Some mixed rain and snow is possible in the high Sierra Mountains. Heavy to excessive rain may bring flooding in the central Appalachians. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Thunderstorm in Vicinity Rain

77°F

25°C

Humidity 82%
Wind Speed N 10 mph
Barometer 29.89 in (1011.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 20 Sep 8:53 pm CDT
Extended Forecast for

Lebanon IL

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 3am, then a chance of showers and thunderstorms after 3am.  Cloudy, with a low around 67. Northeast wind 5 to 9 mph.  Chance of precipitation is 70%.

    Low: 67 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am.  Mostly cloudy, with a high near 76. North wind 3 to 8 mph.  Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 61. Northeast wind 5 to 9 mph.

    Low: 61 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 74. Northeast wind 7 to 11 mph.

    High: 74 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55. North wind 5 to 11 mph.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 3am, then a chance of showers and thunderstorms after 3am. Cloudy, with a low around 67. Northeast wind 5 to 9 mph. Chance of precipitation is 70%.
Monday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. Mostly cloudy, with a high near 76. North wind 3 to 8 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 61. Northeast wind 5 to 9 mph.
Tuesday
Partly sunny, with a high near 74. Northeast wind 7 to 11 mph.
Tuesday Night
Partly cloudy, with a low around 55. North wind 5 to 11 mph.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 77.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 57.
Saturday
A 20 percent chance of showers. Mostly cloudy, with a high near 79.
Saturday Night
Mostly cloudy, with a low around 58.
Sunday
Partly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Lebanon IL
 38.61°N 89.81°W (Elev. 463 ft)
8:21 pm CDT Sep 20, 2026
9pm CDT Sep 20, 2026-6pm CDT Sep 27, 2026
 
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Additional Resources

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