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.

A Few Clouds

41°F

5°C

Humidity 53%
Wind Speed S 3 mph
Barometer 29.66 in (1004.4 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 25 Feb 12:53 am CST
Extended Forecast for

2 Miles NNW Caseyville IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 36. West wind around 6 mph becoming calm.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 52. Calm wind becoming north around 5 mph.

    High: 52 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain between 8pm and 5am. Mostly cloudy, with a low around 35. East wind 3 to 6 mph. Chance of precipitation is 50%.

    Low: 35 °F

    Chance Rain

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 54. East wind around 6 mph becoming light and variable in the afternoon.

    High: 54 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 35. Light south wind.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain. Partly cloudy, with a low around 33.

    Low: 33 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 36. West wind around 6 mph becoming calm.
Wednesday
Partly sunny, with a high near 52. Calm wind becoming north around 5 mph.
Wednesday Night
A chance of rain between 8pm and 5am. Mostly cloudy, with a low around 35. East wind 3 to 6 mph. Chance of precipitation is 50%.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 54. East wind around 6 mph becoming light and variable in the afternoon.
Thursday Night
Mostly clear, with a low around 35. Light south wind.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 42.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 33.
Sunday
A chance of rain before noon, then a chance of rain and snow. Mostly cloudy, with a high near 46. Chance of precipitation is 40%.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 42.
Monday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 31.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Caseyville IL
 38.66°N 90.06°W (Elev. 433 ft)
Last Update:
12:31 am CST Feb 25, 2026
Forecast Valid:
1am CST Feb 25, 2026-6pm CST Mar 3, 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