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Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

74°F

23°C

Humidity 62%
Wind Speed SW 8 G 17 mph
Barometer 29.94 in (1013.6 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 16 Apr 11:53 am CDT
Extended Forecast for

5 Miles SW Smithton IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. West wind 6 to 8 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 58. Light south wind.

    Low: 58 °F

    Decreasing
    Clouds

  • Friday

    Friday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 83. South wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: Showers and thunderstorms, mainly before 4am, then showers and possibly a thunderstorm after 4am. Low around 50. South wind 10 to 13 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%.

    Low: 50 °F

    Chance
    T-storms then
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms. Partly sunny, with a steady temperature around 56. Northwest wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    High: 56 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Mostly clear, with a low around 39.

    Low: 39 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 82. West wind 6 to 8 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 58. Light south wind.
Friday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 83. South wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Friday Night
Showers and thunderstorms, mainly before 4am, then showers and possibly a thunderstorm after 4am. Low around 50. South wind 10 to 13 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a steady temperature around 56. Northwest wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Saturday Night
A 20 percent chance of showers before 1am. Mostly clear, with a low around 39.
Sunday
Sunny, with a high near 65.
Sunday Night
Clear, with a low around 42.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
A 20 percent chance of showers. Mostly clear, with a low around 54.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Smithton IL
 38.37°N 90.04°W (Elev. 499 ft)
Last Update:
12:06 pm CDT Apr 16, 2026
Forecast Valid:
12pm CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation