Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Overcast

7°F

-14°C

Humidity 84%
Wind Speed Calm
Barometer 30.40 in (1029.9 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Last update 28 Jan 3:53 am CST
Extended Forecast for

4 Miles WSW Smithton IL

  • Today

    Today: Mostly sunny, with a high near 30. Light west wind increasing to 5 to 9 mph in the morning.

    High: 30 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 10. Light and variable wind.

    Low: 10 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 24. Northeast wind 3 to 6 mph.

    High: 24 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 7. North wind 3 to 5 mph.

    Low: 7 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near 17. North wind 5 to 10 mph.

    High: 17 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around 0.

    Low: 0 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 17.

    High: 17 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 1.

    Low: 1 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of snow after noon.  Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny
    then Slight
    Chance Snow

Detailed Forecast

Today
Mostly sunny, with a high near 30. Light west wind increasing to 5 to 9 mph in the morning.
Tonight
Increasing clouds, with a low around 10. Light and variable wind.
Thursday
Mostly cloudy, with a high near 24. Northeast wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 7. North wind 3 to 5 mph.
Friday
Partly sunny and cold, with a high near 17. North wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 0.
Saturday
Mostly sunny and cold, with a high near 17.
Saturday Night
Mostly clear, with a low around 1.
Sunday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 26.
Sunday Night
Mostly cloudy, with a low around 15.
Monday
Partly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 18.
Tuesday
A 20 percent chance of rain. Mostly cloudy, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Smithton IL
 38.37°N 90.04°W (Elev. 499 ft)
3:16 am CST Jan 28, 2026
4am CST Jan 28, 2026-6pm CST Feb 3, 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