Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

A Few Clouds

48°F

9°C

Humidity 61%
Wind Speed NE 5 mph
Barometer 30.28 in (1025.2 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 20 Apr 1:53 am CDT
Extended Forecast for

5 Miles SW Smithton IL

  • Overnight

    Overnight: Partly cloudy, with a low around 42. Northeast wind 3 to 5 mph.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 68. Calm wind becoming southeast 5 to 7 mph in the morning.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48. Southeast wind around 7 mph becoming south after midnight.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Southwest wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. Southwest wind 6 to 10 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 42. Northeast wind 3 to 5 mph.
Monday
Sunny, with a high near 68. Calm wind becoming southeast 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 48. Southeast wind around 7 mph becoming south after midnight.
Tuesday
Sunny, with a high near 79. Southwest wind 6 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 54. Southwest wind 6 to 10 mph.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Friday
Showers and possibly a thunderstorm. High near 74. Chance of precipitation is 80%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 72.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 51.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Smithton IL
 38.37°N 90.04°W (Elev. 499 ft)
1:26 am CDT Apr 20, 2026
2am CDT Apr 20, 2026-6pm CDT Apr 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

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