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.

Overcast

24°F

-4°C

Humidity 77%
Wind Speed NE 5 mph
Barometer 30.44 in (1031.5 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 1 Dec 4:53 am CST
Extended Forecast for

Smithton IL

  • Today

    Today: A 50 percent chance of snow, mainly after 3pm. Cloudy, with a high near 30. East wind around 5 mph becoming calm in the morning.

    High: 30 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tonight

    Tonight: Snow, mainly before 11pm. Low around 20. Calm wind becoming northwest 5 to 7 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 20 °F

    Snow then
    Slight Chance
    Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32. Northwest wind 5 to 7 mph becoming calm in the afternoon.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 20. Calm wind becoming south around 6 mph after midnight.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 41. South wind 5 to 7 mph becoming light and variable in the afternoon.

    High: 41 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday

    Friday: A chance of snow before noon, then a chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 30%.

    High: 35 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

Today
A 50 percent chance of snow, mainly after 3pm. Cloudy, with a high near 30. East wind around 5 mph becoming calm in the morning.
Tonight
Snow, mainly before 11pm. Low around 20. Calm wind becoming northwest 5 to 7 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Mostly sunny, with a high near 32. Northwest wind 5 to 7 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 20. Calm wind becoming south around 6 mph after midnight.
Wednesday
Partly sunny, with a high near 41. South wind 5 to 7 mph becoming light and variable in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 16.
Thursday
Partly sunny, with a high near 24.
Thursday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 15.
Friday
A chance of snow before noon, then a chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 30%.
Friday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 26.
Saturday
Partly sunny, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Mostly cloudy, with a high near 37.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Smithton IL
 38.44°N 89.99°W (Elev. 449 ft)
Last Update:
4:36 am CST Dec 1, 2025
Forecast Valid:
5am CST Dec 1, 2025-6pm CST Dec 7, 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