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

67°F

19°C

Humidity 73%
Wind Speed SE 3 mph
Barometer 29.89 in (1011.8 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 13 Oct 1:53 am CDT
Extended Forecast for

Shiloh IL

  • Overnight

    Overnight: Clear, with a low around 67. Southwest wind 3 to 6 mph.

    Low: 67 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96. Heat index values as high as 102. Southwest wind 6 to 10 mph.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 73. South wind 5 to 9 mph.

    Low: 73 °F

    Mostly Clear
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 82. Calm wind becoming west around 6 mph. Chance of precipitation is 90%.

    High: 82 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.

    High: 83 °F

    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 64. Breezy.

    High: 64 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 67. Southwest wind 3 to 6 mph.
Tuesday
Sunny, with a high near 96. Heat index values as high as 102. Southwest wind 6 to 10 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 73. South wind 5 to 9 mph.
Wednesday
Showers and possibly a thunderstorm. High near 82. Calm wind becoming west around 6 mph. Chance of precipitation is 90%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 60%.
Thursday
Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 55.
Friday
Partly sunny, with a high near 64. Breezy.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Shiloh IL
 38.54°N 89.92°W (Elev. 600 ft)
Last Update:
1:21 am CDT Oct 13, 2026
Forecast Valid:
2am CDT Oct 13, 2026-6pm CDT Oct 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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