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.

Fair

29°C

85°F

Humidity 68%
Wind Speed SE 17 km/h
Barometer 1016.0 mb (30.02 in)
Dewpoint 23°C (73°F)
Visibility 16 km
Heat Index33°C (92°F)
Last update 13 Jul 10:53 am CDT
Extended Forecast for

3 Miles SSE Belleville IL

  • Today

    Today: Showers and thunderstorms likely, mainly after 3pm. Cloudy, with a high near 30. South wind 5 to 8 km/h. Chance of precipitation is 60%.

    High: 30 °C

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 11pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 22. West wind 5 to 8 km/h becoming calm in the evening. Chance of precipitation is 60%.

    Low: 22 °C

    T-storms
    Likely then
    Patchy Fog

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 31. Northeast wind 3 to 8 km/h.

    High: 31 °C

    Patchy Fog
    then Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 22. Calm wind.

    Low: 22 °C

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 33. Light and variable wind becoming south 6 to 11 km/h in the morning.

    High: 33 °C

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 23.

    Low: 23 °C

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 34.

    High: 34 °C

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 23.

    Low: 23 °C

    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 33.

    High: 33 °C

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 3pm. Cloudy, with a high near 30. South wind 5 to 8 km/h. Chance of precipitation is 60%.
Tonight
Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 11pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 22. West wind 5 to 8 km/h becoming calm in the evening. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 31. Northeast wind 3 to 8 km/h.
Monday Night
Mostly cloudy, with a low around 22. Calm wind.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 33. Light and variable wind becoming south 6 to 11 km/h in the morning.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 23.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 34.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 23.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 33.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 22.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 31.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 22.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Belleville IL
 38.5°N 89.98°W (Elev. 495 m)
Last Update:
8:37 am CDT Jul 13, 2025
Forecast Valid:
11am CDT Jul 13, 2025-6pm CDT Jul 19, 2025
 
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