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

30°F

-1°C

Humidity 69%
Wind Speed NW 18 G 30 mph
Barometer 30.20 in (1023.1 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 30 Nov 2:53 am CST
Extended Forecast for

Smithton IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 22. West wind around 17 mph, with gusts as high as 30 mph.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 28. Northwest wind 10 to 16 mph, with gusts as high as 29 mph.

    High: 28 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20. Northwest wind 5 to 8 mph becoming light and variable in the evening.

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: A 40 percent chance of snow after noon. Cloudy, with a high near 32. East wind around 5 mph becoming calm in the afternoon.

    High: 32 °F

    Cloudy then
    Chance Snow

  • Monday Night

    Monday Night: Snow, mainly before midnight. Low around 21. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 21 °F

    Snow then
    Slight Chance
    Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 22. West wind around 17 mph, with gusts as high as 30 mph.
Sunday
Partly sunny, with a high near 28. Northwest wind 10 to 16 mph, with gusts as high as 29 mph.
Sunday Night
Mostly cloudy, with a low around 20. Northwest wind 5 to 8 mph becoming light and variable in the evening.
Monday
A 40 percent chance of snow after noon. Cloudy, with a high near 32. East wind around 5 mph becoming calm in the afternoon.
Monday Night
Snow, mainly before midnight. Low around 21. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Partly sunny, with a high near 32.
Tuesday Night
Mostly clear, with a low around 19.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 17.
Thursday
Partly sunny, with a high near 24.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 14.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 32. Chance of precipitation is 40%.
Friday Night
A slight chance of freezing rain. Mostly cloudy, with a low around 24. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Smithton IL
 38.44°N 89.99°W (Elev. 449 ft)
Last Update:
3:16 am CST Nov 30, 2025
Forecast Valid:
3am CST Nov 30, 2025-6pm CST Dec 6, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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