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

73°F

23°C

Humidity 26%
Wind Speed NW 12 mph
Barometer 29.70 in (1005.2 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 7 Nov 2:53 pm CST
Extended Forecast for

3 Miles E Caseyville IL

  • Tonight

    Tonight: Mostly clear, with a low around 43. West wind 3 to 7 mph.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after 5pm. Mostly cloudy, with a high near 67. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 67 °F

    Partly Sunny
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A chance of rain before 4am, then a chance of sprinkles and flurries between 4am and 5am, then a chance of flurries after 5am. Mostly cloudy, with a low around 37. South wind 8 to 14 mph becoming northwest in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 40%.

    Low: 37 °F

    Chance Rain
    then Chance
    Sprinkles/Flurries

  • Sunday

    Sunday: A chance of sprinkles and flurries before 4pm, then a chance of flurries. Mostly sunny, with a high near 41. Northwest wind 15 to 18 mph, with gusts as high as 29 mph.

    High: 41 °F

    Chance
    Sprinkles/Flurries

  • Sunday Night

    Sunday Night: A chance of flurries before midnight. Mostly clear, with a low around 26. Northwest wind 10 to 15 mph, with gusts as high as 22 mph.

    Low: 26 °F

    Chance
    Flurries

  • Monday

    Monday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 43. West wind 3 to 7 mph.
Saturday
A 30 percent chance of rain, mainly after 5pm. Mostly cloudy, with a high near 67. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
A chance of rain before 4am, then a chance of sprinkles and flurries between 4am and 5am, then a chance of flurries after 5am. Mostly cloudy, with a low around 37. South wind 8 to 14 mph becoming northwest in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 40%.
Sunday
A chance of sprinkles and flurries before 4pm, then a chance of flurries. Mostly sunny, with a high near 41. Northwest wind 15 to 18 mph, with gusts as high as 29 mph.
Sunday Night
A chance of flurries before midnight. Mostly clear, with a low around 26. Northwest wind 10 to 15 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 42.
Monday Night
Mostly clear, with a low around 27.
Veterans Day
Partly sunny, with a high near 56.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 66.
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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:
2:21 pm CST Nov 7, 2025
Forecast Valid:
3pm CST Nov 7, 2025-6pm CST Nov 14, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation