Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

77°F

25°C

Humidity 32%
Wind Speed SW 5 mph
Barometer 30.25 in (1024.2 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 26 Oct 3:53 pm CDT
Extended Forecast for

Smithton IL

  • Tonight

    Tonight: Partly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 75. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 75 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 51. Light south wind.

    Low: 51 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. South wind around 5 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 50. Calm wind.
Tuesday
Mostly cloudy, with a high near 75. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 51. Light south wind.
Wednesday
Mostly sunny, with a high near 79. Calm wind becoming south 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 53. South wind around 5 mph.
Thursday
Sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Partly sunny, with a high near 81.
Friday Night
Mostly cloudy, with a low around 56.
Saturday
A 40 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 75.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 57.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 76.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 58.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Smithton IL
 38.41°N 89.99°W (Elev. 453 ft)
3:01 pm CDT Oct 26, 2026
4pm CDT Oct 26, 2026-6pm CST Nov 2, 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