Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Overcast

72°F

22°C

Humidity 57%
Wind Speed S 3 mph
Barometer 29.91 in (1012.3 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 31 Mar 10:53 pm CDT
Extended Forecast for

5 Miles SW Smithton IL

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 60. South wind 5 to 7 mph becoming west after midnight.

    Low: 60 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 78. Light and variable wind becoming south 5 to 9 mph in the morning.  Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 65. South wind 9 to 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers and possibly a thunderstorm after 1pm.  High near 78. Breezy, with a south wind 18 to 23 mph, with gusts as high as 34 mph.  Chance of precipitation is 80%.

    High: 78 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm.  Partly cloudy, with a low around 60. South wind 7 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 81. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am.  Low around 54. Chance of precipitation is 80%.

    Low: 54 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 66. Chance of precipitation is 70%.

    High: 66 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. South wind 5 to 7 mph becoming west after midnight.
Wednesday
Showers and thunderstorms likely before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 78. Light and variable wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 60%.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 78. Breezy, with a south wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 60. South wind 7 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 54. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.
Saturday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 33.
Monday
Sunny, with a high near 62.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Smithton IL
 38.37°N 90.04°W (Elev. 499 ft)
9:56 pm CDT Mar 31, 2026
11pm CDT Mar 31, 2026-6pm CDT Apr 7, 2026
 
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Additional Resources

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