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.

Partly Cloudy

69°F

21°C

Humidity 55%
Wind Speed S 20 G 41 mph
Barometer 29.45 in (996.9 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 15 Mar 11:53 am CDT
Extended Forecast for

Lebanon IL

Wind Advisory until March 16, 12:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until March 16, 12:00pm

    NOW until 12:00pm Mon

    Wind Advisory

  • This Afternoon

    High: 67 °F

    T-storms and
    Windy

  • Tonight

    Tonight: Rain and snow before 1am, then a chance of snow. Some thunder is also possible. Low around 23. Breezy, with a west wind 24 to 28 mph, with gusts as high as 43 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Breezy.
    Rain/Snow
    then Chance
    Rain/Snow

  • Monday

    Monday: A slight chance of snow before 1pm, then a chance of flurries between 1pm and 3pm. Cloudy, with a high near 28. Blustery, with a northwest wind 25 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.

    High: 28 °F

    Slight Chance
    Snow and
    Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14. Blustery, with a northwest wind 11 to 20 mph, with gusts as high as 28 mph.

    Low: 14 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36. Northwest wind around 6 mph becoming southwest in the afternoon.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A chance of rain and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 67. Windy, with a south wind 24 to 30 mph, with gusts as high as 43 mph. Chance of precipitation is 80%.
Tonight
Rain and snow before 1am, then a chance of snow. Some thunder is also possible. Low around 23. Breezy, with a west wind 24 to 28 mph, with gusts as high as 43 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
A slight chance of snow before 1pm, then a chance of flurries between 1pm and 3pm. Cloudy, with a high near 28. Blustery, with a northwest wind 25 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 14. Blustery, with a northwest wind 11 to 20 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 36. Northwest wind around 6 mph becoming southwest in the afternoon.
Tuesday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 73.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lebanon IL
 38.61°N 89.81°W (Elev. 463 ft)
Last Update:
11:56 am CDT Mar 15, 2026
Forecast Valid:
12pm CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
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