Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Overcast

61°F

16°C

Humidity 90%
Wind Speed S 7 mph
Barometer 29.82 in (1009.6 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 16 Apr 4:53 am CDT
Extended Forecast for

4 Miles WSW Smithton IL

  • Overnight

    Overnight: Showers likely. The rain could be heavy at times.  Cloudy, with a low around 62. Southwest wind around 7 mph.  Chance of precipitation is 70%.

    Low: 62 °F

    Heavy Rain

  • Thursday

    Thursday: A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 4pm.  Cloudy through mid morning, then gradual clearing, with a high near 82. Southwest wind 6 to 9 mph.  Chance of precipitation is 20%.

    High: 82 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. South wind 3 to 5 mph.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 84. South wind 6 to 14 mph, with gusts as high as 24 mph.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms, mainly between 1am and 4am, then showers and possibly a thunderstorm after 4am.  Low around 51. South wind 10 to 13 mph becoming west after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 80%.

    Low: 51 °F

    Chance
    T-storms then
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms.  Partly sunny, with a steady temperature around 56. 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

Detailed Forecast

Overnight
Showers likely. The rain could be heavy at times. Cloudy, with a low around 62. Southwest wind around 7 mph. Chance of precipitation is 70%.
Thursday
A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 4pm. Cloudy through mid morning, then gradual clearing, with a high near 82. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 59. South wind 3 to 5 mph.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. South wind 6 to 14 mph, with gusts as high as 24 mph.
Friday Night
Showers and thunderstorms, mainly between 1am and 4am, then showers and possibly a thunderstorm after 4am. Low around 51. 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. 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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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Smithton IL
 38.37°N 90.04°W (Elev. 499 ft)
3:06 am CDT Apr 16, 2026
5am CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
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Additional Resources

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Hourly Weather Forecast

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