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.

Fog/Mist

64°F

18°C

Humidity 84%
Wind Speed SW 5 mph
Barometer 30.03 in (1016.9 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 24 Dec 9:53 pm CST
Extended Forecast for

3 Miles E Caseyville IL

  • Tonight

    Tonight: Patchy fog. Otherwise, increasing clouds, with a low around 54. Southwest wind 5 to 7 mph becoming light and variable after midnight.

    Low: 54 °F

    Patchy Fog

  • Christmas Day

    Christmas Day: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 65. Light and variable wind becoming east around 6 mph in the afternoon.

    High: 65 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 59. East wind 6 to 8 mph becoming southwest after midnight.

    Low: 59 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 71. Southwest wind 6 to 10 mph becoming northwest in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. Light and variable wind.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain and thunderstorms, then rain likely after noon. Cloudy, with a high near 60. Chance of precipitation is 60%.

    High: 60 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 21. Blustery.

    Low: 21 °F

    Chance Rain
    then Mostly
    Cloudy and
    Blustery

Detailed Forecast

Tonight
Patchy fog. Otherwise, increasing clouds, with a low around 54. Southwest wind 5 to 7 mph becoming light and variable after midnight.
Christmas Day
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 65. Light and variable wind becoming east around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 59. East wind 6 to 8 mph becoming southwest after midnight.
Friday
Mostly sunny, with a high near 71. Southwest wind 6 to 10 mph becoming northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 46. Light and variable wind.
Saturday
Partly sunny, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 55.
Sunday
A chance of rain and thunderstorms, then rain likely after noon. Cloudy, with a high near 60. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 21. Blustery.
Monday
Mostly sunny, with a high near 29.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Mostly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Caseyville IL
 38.63°N 89.98°W (Elev. 558 ft)
Last Update:
9:31 pm CST Dec 24, 2025
Forecast Valid:
10pm CST Dec 24, 2025-6pm CST Dec 31, 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