Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Overcast and Breezy

36°F

2°C

Humidity 62%
Wind Speed NW 22 G 33 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 10 Dec 1:53 pm CST
Extended Forecast for

Smithton IL

  • This Afternoon

    This Afternoon: Cloudy, with a high near 48. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 31 mph.

    High: 48 °F

    Cloudy and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. Northwest wind 5 to 14 mph, with gusts as high as 22 mph.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 36. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 36 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 9pm.  Cloudy, then gradually becoming partly cloudy, with a low around 33. South wind around 7 mph becoming northwest after midnight.

    Low: 33 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 40. Northwest wind 7 to 11 mph.

    High: 40 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after noon.  Mostly cloudy, with a high near 30.

    High: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny and cold, with a high near 19.

    High: 19 °F

    Cold

Detailed Forecast

This Afternoon
Cloudy, with a high near 48. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 31 mph.
Tonight
Mostly cloudy, with a low around 25. Northwest wind 5 to 14 mph, with gusts as high as 22 mph.
Thursday
Mostly cloudy, with a high near 36. Calm wind becoming south 5 to 8 mph in the afternoon.
Thursday Night
A 20 percent chance of snow before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 33. South wind around 7 mph becoming northwest after midnight.
Friday
Partly sunny, with a high near 40. Northwest wind 7 to 11 mph.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 30.
Saturday Night
Mostly cloudy, with a low around 6.
Sunday
Sunny and cold, with a high near 19.
Sunday Night
Mostly clear, with a low around 10.
Monday
Sunny, with a high near 40.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Smithton IL
 38.44°N 89.99°W (Elev. 449 ft)
1:56 pm CST Dec 10, 2025
2pm CST Dec 10, 2025-6pm CST Dec 16, 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