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.

Overcast

58°F

14°C

Humidity 39%
Wind Speed NW 12 mph
Barometer 29.80 in (1009.1 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 13 Jan 7:53 pm CST
Extended Forecast for

Lovejoy IL

  • Tonight

    Tonight: Rain likely before 4am, then a chance of sprinkles between 4am and 5am. Cloudy, with a low around 39. West wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 39 °F

    Rain Likely
    then Cloudy

  • Wednesday

    Wednesday: A chance of sprinkles and flurries, mainly between 10am and 11am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 32 by 5pm. Breezy, with a north wind 15 to 22 mph, with gusts as high as 32 mph.

    High: 40 °F⇓

    Breezy.
    Chance
    Sprinkles/Flurries
    then
    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Clear, with a low around 18. Northwest wind 8 to 14 mph, with gusts as high as 26 mph.

    Low: 18 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 34. Northwest wind 6 to 8 mph becoming south in the afternoon.

    High: 34 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a temperature rising to around 35 by 5am. South wind 6 to 11 mph becoming west after midnight. Winds could gust as high as 22 mph.

    Low: 30 °F⇑

    Chance Snow

  • Friday

    Friday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain likely before 4am, then a chance of sprinkles between 4am and 5am. Cloudy, with a low around 39. West wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Wednesday
A chance of sprinkles and flurries, mainly between 10am and 11am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 32 by 5pm. Breezy, with a north wind 15 to 22 mph, with gusts as high as 32 mph.
Wednesday Night
Clear, with a low around 18. Northwest wind 8 to 14 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 34. Northwest wind 6 to 8 mph becoming south in the afternoon.
Thursday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a temperature rising to around 35 by 5am. South wind 6 to 11 mph becoming west after midnight. Winds could gust as high as 22 mph.
Friday
Partly sunny, with a high near 46.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 27.
Saturday Night
Partly cloudy, with a low around 11.
Sunday
Mostly sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 18.
M.L.King Day
Sunny, with a high near 35.
Monday Night
Mostly clear, with a low around 13.
Tuesday
Mostly sunny, with a high near 33.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lovejoy IL
 38.66°N 90.14°W (Elev. 407 ft)
Last Update:
8:01 pm CST Jan 13, 2026
Forecast Valid:
8pm CST Jan 13, 2026-6pm CST Jan 20, 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