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.

Mostly Cloudy

54°F

12°C

Humidity 38%
Wind Speed W 8 mph
Barometer 30.09 in (1018.8 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 1 Nov 1:53 pm CDT
Extended Forecast for

Caseyville IL

Freeze Warning November 2, 01:00am until November 2, 07:00am
Click here for hazard details and duration
Freeze Warning

  • This Afternoon

    This Afternoon: A 20 percent chance of rain. Mostly cloudy, with a high near 53. Northwest wind around 9 mph.

    High: 53 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A 20 percent chance of rain before 8pm. Patchy frost after 1am. Otherwise, partly cloudy, with a low around 33. Northwest wind around 6 mph becoming calm in the evening.

    Low: 33 °F

    Slight Chance
    Rain then
    Patchy Frost

  • Sunday

    Sunday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 55. Calm wind becoming west around 5 mph in the afternoon.

    High: 55 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 37. South wind 3 to 6 mph.

    Low: 37 °F

    Clear

  • Monday

    Monday: Areas of frost before 7am. Otherwise, sunny, with a high near 64. South wind 6 to 9 mph becoming west in the afternoon.

    High: 64 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Mostly cloudy, with a high near 53. Northwest wind around 9 mph.
Tonight
A 20 percent chance of rain before 8pm. Patchy frost after 1am. Otherwise, partly cloudy, with a low around 33. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 55. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Clear, with a low around 37. South wind 3 to 6 mph.
Monday
Areas of frost before 7am. Otherwise, sunny, with a high near 64. South wind 6 to 9 mph becoming west in the afternoon.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Clear, with a low around 43.
Thursday
Sunny, with a high near 67.
Thursday Night
A 20 percent chance of rain. Partly cloudy, with a low around 52.
Friday
A 30 percent chance of rain. Partly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Caseyville IL
 38.61°N 90.03°W (Elev. 502 ft)
Last Update:
1:56 pm CDT Nov 1, 2025
Forecast Valid:
2pm CDT Nov 1, 2025-6pm CST Nov 7, 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