National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

12°F

-11°C

Humidity 67%
Wind Speed W 6 mph
Barometer 30.23 in (1024.4 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 18 Jan 3:53 am CST
Extended Forecast for

5 Miles SW Smithton IL

  • Today

    Today: Increasing clouds, with a high near 32. Southwest wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 32 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 11. Southwest wind 10 to 18 mph becoming northwest after midnight. Winds could gust as high as 33 mph.

    Low: 11 °F

    Gradual
    Clearing

  • 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 30 mph.

    High: 22 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 11. West wind around 5 mph becoming calm.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 38. South wind 5 to 10 mph.

    High: 38 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45.

    High: 45 °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

Today
Increasing clouds, with a high near 32. Southwest wind 6 to 13 mph, with gusts as high as 22 mph.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 11. Southwest wind 10 to 18 mph becoming northwest after midnight. Winds could gust as high as 33 mph.
M.L.King Day
Sunny, with a high near 22. Northwest wind 7 to 17 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 11. West wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 38. South wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 28.
Wednesday
Mostly sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 22.
Thursday
Sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 26.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 46.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 32.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Smithton IL
 38.37°N 90.04°W (Elev. 499 ft)
Last Update:
3:16 am CST Jan 18, 2026
Forecast Valid:
4am CST Jan 18, 2026-6pm CST Jan 24, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation