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.

A Few Clouds

43°F

6°C

Humidity 56%
Wind Speed W 13 G 21 mph
Barometer 29.75 in (1007.6 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 16 Jan 11:53 am CST
Extended Forecast for

4 Miles WSW Smithton IL

  • This Afternoon

    This Afternoon: A slight chance of rain and snow showers after 5pm. Cloudy, with a high near 46. West wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 46 °F

    Isolated
    Rain/Snow

  • Tonight

    Tonight: Scattered rain and snow showers before 9pm, then scattered snow showers between 9pm and 3am, then scattered flurries after 3am. Mostly cloudy, with a low around 21. West wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    Low: 21 °F

    Scattered
    Rain/Snow
    then Isolated
    Snow Showers

  • Saturday

    Saturday: Partly sunny, with a high near 28. West wind 13 to 16 mph, with gusts as high as 26 mph.

    High: 28 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 10. West wind 6 to 11 mph, with gusts as high as 22 mph.

    Low: 10 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 33. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 33 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 24.

    High: 24 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of rain and snow showers after 5pm. Cloudy, with a high near 46. West wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tonight
Scattered rain and snow showers before 9pm, then scattered snow showers between 9pm and 3am, then scattered flurries after 3am. Mostly cloudy, with a low around 21. West wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Saturday
Partly sunny, with a high near 28. West wind 13 to 16 mph, with gusts as high as 26 mph.
Saturday Night
Partly cloudy, with a low around 10. West wind 6 to 11 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 33. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 14.
M.L.King Day
Sunny, with a high near 24.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Sunny, with a high near 39.
Tuesday Night
Mostly clear, with a low around 27.
Wednesday
Mostly sunny, with a high near 50.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 28.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Smithton IL
 38.37°N 90.04°W (Elev. 499 ft)
Last Update:
10:41 am CST Jan 16, 2026
Forecast Valid:
12pm CST Jan 16, 2026-6pm CST Jan 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation