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

43°F

6°C

Humidity 82%
Wind Speed E 6 mph
Barometer 30.12 in (1019.9 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 9 Jan 9:53 pm CST
Extended Forecast for

5 Miles SW Smithton IL

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 5am. Mostly cloudy, with a low around 38. East wind around 5 mph becoming calm.

    Low: 38 °F

    Cloudy then
    Chance Rain

  • Saturday

    Saturday: A 50 percent chance of rain, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 47. Northwest wind 7 to 17 mph, with gusts as high as 26 mph.

    High: 47 °F

    Chance Rain
    then Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain before 10pm, then a slight chance of snow between 10pm and 11pm. Partly cloudy, with a low around 25. Northwest wind 8 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 38. Northwest wind 9 to 14 mph becoming light west in the afternoon. Winds could gust as high as 24 mph.

    High: 38 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25. Calm wind becoming south around 6 mph after midnight.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly after 5am. Mostly cloudy, with a low around 38. East wind around 5 mph becoming calm.
Saturday
A 50 percent chance of rain, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 47. Northwest wind 7 to 17 mph, with gusts as high as 26 mph.
Saturday Night
A slight chance of rain before 10pm, then a slight chance of snow between 10pm and 11pm. Partly cloudy, with a low around 25. Northwest wind 8 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 38. Northwest wind 9 to 14 mph becoming light west in the afternoon. Winds could gust as high as 24 mph.
Sunday Night
Mostly clear, with a low around 25. Calm wind becoming south around 6 mph after midnight.
Monday
Sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Mostly sunny, with a high near 36.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 44.
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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:
10:31 pm CST Jan 9, 2026
Forecast Valid:
10pm CST Jan 9, 2026-6pm CST Jan 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation