Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Overcast

25°F

-4°C

Humidity 42%
Wind Speed S 8 mph
Barometer 30.03 in (1017.6 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 18 Jan 1:53 pm CST
Extended Forecast for

4 Miles WSW Smithton IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 31. South wind around 11 mph, with gusts as high as 21 mph.

    High: 31 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 12. Southwest wind 10 to 18 mph becoming northwest after midnight. Winds could gust as high as 31 mph.

    Low: 12 °F

    Decreasing
    Clouds

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 22. Northwest wind 7 to 17 mph, with gusts as high as 28 mph.

    High: 22 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 12. West wind around 5 mph becoming calm  in the evening.

    Low: 12 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. Light south wind becoming southwest 5 to 9 mph in the morning.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 31. South wind around 11 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 12. Southwest wind 10 to 18 mph becoming northwest after midnight. Winds could gust as high as 31 mph.
M.L.King Day
Sunny, with a high near 22. Northwest wind 7 to 17 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 12. West wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 37. Light south wind becoming southwest 5 to 9 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
Mostly sunny, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 22.
Thursday
Sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Mostly cloudy, with a high near 40.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 16. Chance of precipitation is 30%.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 26.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Smithton IL
 38.37°N 90.04°W (Elev. 499 ft)
1:51 pm CST Jan 18, 2026
2pm CST Jan 18, 2026-6pm CST Jan 24, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database