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

56°F

13°C

Humidity 39%
Wind Speed W 12 mph
Barometer 29.91 in (1012.8 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 13 Mar 10:53 am CDT
Extended Forecast for

4 Miles NNW Lebanon IL

  • Today

    Today: Mostly sunny, with a high near 60. West wind 14 to 18 mph, with gusts as high as 29 mph.

    High: 60 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 36. Northwest wind 5 to 7 mph becoming calm.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 65. East wind 6 to 14 mph.

    High: 65 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 55. Southeast wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain, with thunderstorms also possible after 4pm. High near 68. Breezy, with a south wind 18 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 80%.

    High: 68 °F

    Breezy.
    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain before 1am, then snow likely. Some thunder is also possible. Low around 24. Blustery. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 24 °F

    Rain and
    Breezy then
    Rain/Snow and
    Blustery

  • Monday

    Monday: A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 29. Blustery.

    High: 29 °F

    Chance Snow
    and Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 13. Blustery.

    Low: 13 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 60. West wind 14 to 18 mph, with gusts as high as 29 mph.
Tonight
Partly cloudy, with a low around 36. Northwest wind 5 to 7 mph becoming calm.
Saturday
Partly sunny, with a high near 65. East wind 6 to 14 mph.
Saturday Night
Mostly cloudy, with a low around 55. Southeast wind 10 to 14 mph, with gusts as high as 24 mph.
Sunday
Rain, with thunderstorms also possible after 4pm. High near 68. Breezy, with a south wind 18 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 80%.
Sunday Night
Rain before 1am, then snow likely. Some thunder is also possible. Low around 24. Blustery. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Monday
A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 29. Blustery.
Monday Night
Mostly clear, with a low around 13. Blustery.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 27.
Wednesday
Mostly cloudy, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Lebanon IL
 38.65°N 89.83°W (Elev. 476 ft)
Last Update:
8:21 am CDT Mar 13, 2026
Forecast Valid:
11am CDT Mar 13, 2026-6pm CDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation