National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

59°F

15°C

Humidity 54%
Wind Speed N 10 mph
Barometer 29.84 in (1010.1 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 15 Nov 11:53 pm CST
Extended Forecast for

Lovejoy IL

  • Overnight

    Overnight: Mostly clear, with a low around 45. North wind 7 to 9 mph, with gusts as high as 21 mph.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 60. North wind 5 to 8 mph.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. Light and variable wind.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers after 3pm. Increasing clouds, with a high near 60. Light east wind becoming southeast 5 to 10 mph in the morning.

    High: 60 °F

    Sunny then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 48. Southeast wind 8 to 10 mph. Chance of precipitation is 70%.

    Low: 48 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 20 percent chance of showers. Partly sunny, with a high near 72.

    High: 72 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after noon. Partly sunny, with a high near 65.

    High: 65 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.

    Low: 53 °F

    Chance Rain
    then Rain
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 45. North wind 7 to 9 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 60. North wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 35. Light and variable wind.
Monday
A 20 percent chance of showers after 3pm. Increasing clouds, with a high near 60. Light east wind becoming southeast 5 to 10 mph in the morning.
Monday Night
Showers likely, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 48. Southeast wind 8 to 10 mph. Chance of precipitation is 70%.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 72.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 49.
Wednesday
A 30 percent chance of rain, mainly after noon. Partly sunny, with a high near 65.
Wednesday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Thursday
Rain and possibly a thunderstorm. High near 65. Chance of precipitation is 80%.
Thursday Night
Rain and possibly a thunderstorm. Low around 53. Chance of precipitation is 80%.
Friday
Rain likely. Partly sunny, with a high near 64. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 44.
Saturday
Partly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lovejoy IL
 38.66°N 90.14°W (Elev. 407 ft)
Last Update:
11:51 pm CST Nov 15, 2025
Forecast Valid:
12am CST Nov 16, 2025-6pm CST Nov 22, 2025
 
Forecast Discussion
 
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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