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.

Fair

77°F

25°C

Humidity 36%
Wind Speed S 17 G 29 mph
Barometer 29.77 in (1007.7 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 17 Apr 2:53 pm CDT
Extended Forecast for

3 Miles E Caseyville IL

Flood Watch April 18, 07:00pm until April 20, 07:00pm
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 65. South wind 14 to 18 mph, with gusts as high as 29 mph.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 82. South wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 60. South wind 6 to 14 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%.

    Low: 60 °F

    T-storms

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 66. Northwest wind 6 to 8 mph. Chance of precipitation is 90%.

    High: 66 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 55. North wind 6 to 8 mph. Chance of precipitation is 80%.

    Low: 55 °F

    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 1pm. High near 73. Chance of precipitation is 80%.

    High: 73 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.

    Low: 54 °F

    Showers
    Likely

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 67.

    High: 67 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 65. South wind 14 to 18 mph, with gusts as high as 29 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 82. South wind 14 to 18 mph, with gusts as high as 28 mph.
Friday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 60. South wind 6 to 14 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%.
Saturday
Showers and possibly a thunderstorm. High near 66. Northwest wind 6 to 8 mph. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm. Low around 55. North wind 6 to 8 mph. Chance of precipitation is 80%.
Sunday
Showers, with thunderstorms also possible after 1pm. High near 73. Chance of precipitation is 80%.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.
Monday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 76.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 55.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 76.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
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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:
2:52 pm CDT Apr 17, 2025
Forecast Valid:
3pm CDT Apr 17, 2025-6pm CDT Apr 24, 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