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.

Rain Fog/Mist

70°F

21°C

Humidity 97%
Wind Speed S 6 mph
Barometer 29.97 in (1014.5 mb)
Dewpoint 69°F (21°C)
Visibility 6.00 mi
Last update 26 Jun 5:53 am CDT
Extended Forecast for

2 Miles S Centreville IL

Flood Watch June 26, 06:40am until June 26, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 26, 06:40am until June 26, 07:00pm

    NOW until 7:00pm Fri

    Flood Watch

  • Today

    High: 81 °F

    Heavy Rain
    then T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 69. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Southeast wind around 6 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 94. South wind 6 to 9 mph.

    High: 94 °F

    Sunny

  • Sunday Night

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

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Today
Showers and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Some of the storms could produce heavy rainfall. High near 81. Southeast wind 6 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 90%.
Tonight
Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 69. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Light and variable wind.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Southeast wind around 6 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 94. South wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Clear, with a low around 77.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny and hot, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Centreville IL
 38.55°N 90.09°W (Elev. 499 ft)
Last Update:
3:36 am CDT Jun 26, 2026
Forecast Valid:
6am CDT Jun 26, 2026-6pm CDT Jul 2, 2026
 
Forecast Discussion
 
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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