Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Overcast

67°F

19°C

Humidity 91%
Wind Speed SE 5 mph
Barometer 29.83 in (1010.0 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 15 Apr 9:53 pm CDT
Extended Forecast for

5 Miles SW Smithton IL

Tornado Watch April 15, 10:10pm until April 16, 12:00am
Click here for hazard details and duration
Tornado Watch
  •  
    Tornado Watch April 15, 10:10pm until April 16, 12:00am

    NOW until 12:00am Thu

    Tornado Watch

  • Tonight

    Low: 62 °F

    Severe
    Thunderstorms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 4pm.  Mostly cloudy, then gradually becoming sunny, with a high near 82. Southwest wind 6 to 9 mph.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 7pm.  Mostly clear, with a low around 58. South wind 3 to 5 mph.

    Low: 58 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 85. South wind 5 to 14 mph, with gusts as high as 23 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 52. South wind 10 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 70%.

    Low: 52 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms.  Partly sunny, with a high near 64. Chance of precipitation is 50%.

    High: 64 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

Tonight
Showers and thunderstorms, mainly before 3am. Some of the storms could be severe. Low around 62. Light southwest wind increasing to 5 to 9 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Thursday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 82. Southwest wind 6 to 9 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 58. South wind 3 to 5 mph.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. South wind 5 to 14 mph, with gusts as high as 23 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 52. South wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 64. Chance of precipitation is 50%.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 65.
Sunday Night
Clear, with a low around 41.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Smithton IL
 38.37°N 90.04°W (Elev. 499 ft)
9:46 pm CDT Apr 15, 2026
10pm CDT Apr 15, 2026-6pm CDT Apr 22, 2026
 
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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