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.

Mostly Cloudy

71°F

22°C

Humidity 90%
Wind Speed SW 6 mph
Barometer 29.99 in (1015.2 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 25 Jun 6:53 am CDT
Extended Forecast for

Shiloh ILSimilar City Names

Flood Watch June 25, 01:00pm until June 26, 07:00am
Click here for hazard details and duration
Flood Watch

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Light and variable wind. Chance of precipitation is 40%.

    High: 86 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 69. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 80%.

    Low: 69 °F

    Heavy Rain
    then Showers

  • Friday

    Friday: Showers and thunderstorms, mainly before 4pm. High near 82. South wind 7 to 10 mph. Chance of precipitation is 80%.

    High: 82 °F

    Showers then
    T-storms
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7pm. Increasing clouds, with a low around 70. Southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 70%.

    Low: 70 °F

    Showers
    Likely

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 87 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73.

    Low: 73 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Light and variable wind. Chance of precipitation is 40%.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 69. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 80%.
Friday
Showers and thunderstorms, mainly before 4pm. High near 82. South wind 7 to 10 mph. Chance of precipitation is 80%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7pm. Increasing clouds, with a low around 70. Southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 70%.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny, with a high near 95.
Monday Night
Clear, with a low around 76.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Clear, with a low around 76.
Wednesday
Sunny, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Shiloh ILSimilar City Names
 38.54°N 89.89°W (Elev. 548 ft)
Last Update:
5:06 am CDT Jun 25, 2026
Forecast Valid:
7am CDT Jun 25, 2026-6pm CDT Jul 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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