Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

92°F

33°C

Humidity 62%
Wind Speed Calm
Barometer 30.07 in (1017.8 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 16 Aug 11:53 am CDT
Extended Forecast for

3 Miles SSE Centreville IL

Heat Advisory August 16, 12:02pm until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 16, 12:02pm until August 18, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 98 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 74. Southeast wind around 5 mph becoming light and variable  after midnight.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Scattered showers and thunderstorms, mainly after 5pm.  Mostly sunny and hot, with a high near 98. Heat index values as high as 109. Light and variable wind becoming east around 5 mph in the afternoon.  Chance of precipitation is 30%.

    High: 98 °F

    Sunny then
    Scattered
    T-storms

  • Sunday Night

    Sunday Night: Scattered showers and thunderstorms before 7pm.  Mostly clear, with a low around 76. Light southeast wind.  Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 99. Calm wind becoming south around 5 mph in the afternoon.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 98.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 73. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 106. South wind around 6 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 74. Southeast wind around 5 mph becoming light and variable after midnight.
Sunday
Scattered showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 109. Light and variable wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%.
Sunday Night
Scattered showers and thunderstorms before 7pm. Mostly clear, with a low around 76. Light southeast wind. Chance of precipitation is 30%.
Monday
Sunny and hot, with a high near 99. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 76.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Centreville IL
 38.55°N 90.06°W (Elev. 568 ft)
10:36 am CDT Aug 16, 2025
12pm CDT Aug 16, 2025-6pm CDT Aug 22, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

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