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

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Overcast

30°F

-1°C

Humidity 49%
Wind Speed N 20 G 26 mph
Barometer 30.38 in (1029.0 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 9 Nov 9:53 pm CST
Extended Forecast for

4 Miles SW Smithton IL

  • Tonight

    Tonight: Scattered flurries between 2am and 3am. Partly cloudy, with a low around 24. Northwest wind 11 to 14 mph, with gusts as high as 25 mph.

    Low: 24 °F

    Scattered
    Flurries

  • Monday

    Monday: Sunny, with a high near 40. Northwest wind 9 to 18 mph, with gusts as high as 26 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 24. West wind around 6 mph becoming light and variable.

    Low: 24 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 54. South wind 7 to 17 mph, with gusts as high as 25 mph.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40. Southwest wind 6 to 10 mph.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered flurries between 2am and 3am. Partly cloudy, with a low around 24. Northwest wind 11 to 14 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 40. Northwest wind 9 to 18 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 24. West wind around 6 mph becoming light and variable.
Veterans Day
Partly sunny, with a high near 54. South wind 7 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 40. Southwest wind 6 to 10 mph.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
Partly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 51.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 65.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Smithton IL
 38.37°N 90.04°W (Elev. 499 ft)
Last Update:
6:41 pm CST Nov 9, 2025
Forecast Valid:
9pm CST Nov 9, 2025-6pm CST Nov 16, 2025
 
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