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.

Overcast

26°F

-3°C

Humidity 78%
Wind Speed Calm
Barometer 30.10 in (1019.8 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 2 Dec 4:53 pm CST
Extended Forecast for

Shiloh ILSimilar City Names

  • Tonight

    Tonight: Partly cloudy, with a low around 19. Calm wind becoming south around 5 mph after midnight.

    Low: 19 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 41. South wind 5 to 7 mph becoming northwest in the afternoon.

    High: 41 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 16. North wind 5 to 11 mph, with gusts as high as 20 mph.

    Low: 16 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 24. North wind 5 to 10 mph becoming light in the afternoon.

    High: 24 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 14. Calm wind.

    Low: 14 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 19. Calm wind becoming south around 5 mph after midnight.
Wednesday
Increasing clouds, with a high near 41. South wind 5 to 7 mph becoming northwest in the afternoon.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 16. North wind 5 to 11 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 24. North wind 5 to 10 mph becoming light in the afternoon.
Thursday Night
Partly cloudy, with a low around 14. Calm wind.
Friday
Mostly sunny, with a high near 38.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 36.
Sunday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 20. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 34.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Shiloh ILSimilar City Names
 38.54°N 89.89°W (Elev. 548 ft)
Last Update:
4:51 pm CST Dec 2, 2025
Forecast Valid:
5pm CST Dec 2, 2025-6pm CST Dec 9, 2025
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation