Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

63°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 30.06 in (1017.6 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 22 Aug 5:53 am CDT
Extended Forecast for

4 Miles WSW Smithton IL

  • Today

    Today: Sunny, with a high near 85. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 88. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 88 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming clear, with a low around 60. North wind around 6 mph.

    Low: 60 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 80. Light north wind becoming northwest 5 to 9 mph in the morning.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 85. Calm wind becoming northeast around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 64. Calm wind.
Saturday
Increasing clouds, with a high near 88. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 60. North wind around 6 mph.
Sunday
Sunny, with a high near 80. Light north wind becoming northwest 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 58.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Smithton IL
 38.37°N 90.04°W (Elev. 499 ft)
5:41 am CDT Aug 22, 2025
6am CDT Aug 22, 2025-6pm CDT Aug 28, 2025
 
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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