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.

Overcast

75°F

24°C

Humidity 90%
Wind Speed SE 5 mph
Barometer 29.95 in (1013.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 26 Jun 11:53 am CDT
Extended Forecast for

2 Miles NW Belleville IL

Flood Watch June 26, 12:21pm until June 26, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 26, 12:21pm until June 26, 07:00pm

    NOW until 7:00pm Fri

    Flood Watch

  • This Afternoon

    High: 81 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms, mainly between 9pm and 4am. Some of the storms could produce heavy rainfall. Low around 69. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%.

    Low: 69 °F

    Heavy Rain
    then Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 84. Light west wind. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 7pm, then a chance of showers after 1am. Partly cloudy, with a low around 73. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 30%.

    Low: 73 °F

    Partly Cloudy
    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 75.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 77.

    Low: 77 °F

    Clear

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 81. South wind around 8 mph. Chance of precipitation is 80%.
Tonight
Showers and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms, mainly between 9pm and 4am. Some of the storms could produce heavy rainfall. Low around 69. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%.
Saturday
A chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 84. Light west wind. Chance of precipitation is 30%.
Saturday Night
A slight chance of showers and thunderstorms before 7pm, then a chance of showers after 1am. Partly cloudy, with a low around 73. Calm wind becoming southeast around 6 mph after midnight. 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 75.
Monday
Sunny, with a high near 96.
Monday Night
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.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Belleville IL
 38.55°N 90.04°W (Elev. 538 ft)
Last Update:
10:56 am CDT Jun 26, 2026
Forecast Valid:
12pm CDT Jun 26, 2026-6pm CDT Jul 2, 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