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.

Fair

58°F

14°C

Humidity 50%
Wind Speed Calm
Barometer 29.85 in (1010.7 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 8 Nov 11:53 am CST
Extended Forecast for

4 Miles SSE Smithton IL

  • This Afternoon

    This Afternoon: Isolated showers after 5pm. Increasing clouds, with a high near 68. Light and variable wind becoming southeast around 6 mph. Chance of precipitation is 20%.

    High: 68 °F

    Isolated
    Showers

  • Tonight

    Tonight: Scattered rain and thunderstorms before 10pm, then scattered rain between 10pm and 11pm. Cloudy during the early evening, then becoming partly cloudy, with a low around 38. Breezy, with an east wind 5 to 10 mph becoming northwest 15 to 20 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Scattered
    Rain then
    Mostly Cloudy
    and Breezy

  • Sunday

    Sunday: Scattered sprinkles before 7am, then scattered sprinkles and flurries between 7am and 8am, then scattered flurries after 8am. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 35 by 5pm. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 31 mph.

    High: 39 °F⇓

    Breezy.
    Scattered
    Sprinkles/Flurries
    then
    Scattered
    Flurries

  • Sunday Night

    Sunday Night: A chance of flurries before midnight. Mostly clear, with a low around 26. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 26 °F

    Chance
    Flurries

  • Monday

    Monday: Sunny, with a high near 40. Northwest wind 8 to 15 mph, with gusts as high as 23 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

This Afternoon
Isolated showers after 5pm. Increasing clouds, with a high near 68. Light and variable wind becoming southeast around 6 mph. Chance of precipitation is 20%.
Tonight
Scattered rain and thunderstorms before 10pm, then scattered rain between 10pm and 11pm. Cloudy during the early evening, then becoming partly cloudy, with a low around 38. Breezy, with an east wind 5 to 10 mph becoming northwest 15 to 20 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Sunday
Scattered sprinkles before 7am, then scattered sprinkles and flurries between 7am and 8am, then scattered flurries after 8am. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 35 by 5pm. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 31 mph.
Sunday Night
A chance of flurries before midnight. Mostly clear, with a low around 26. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 40. Northwest wind 8 to 15 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 26.
Veterans Day
Partly sunny, with a high near 55.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Smithton IL
 38.37°N 89.96°W (Elev. 410 ft)
Last Update:
11:31 am CST Nov 8, 2025
Forecast Valid:
12pm CST Nov 8, 2025-6pm CST Nov 14, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation