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

79°F

26°C

Humidity 32%
Wind Speed W 8 G 17 mph
Barometer 30.07 in (1017.9 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 12 May 12:53 pm CDT
Extended Forecast for

2 Miles SE Belleville IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. Southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 11pm and 1am. Mostly cloudy, then gradual clearing toward daybreak, with a low around 58. Southwest wind 6 to 8 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 75. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 49. North wind 5 to 7 mph becoming calm in the evening.

    Low: 49 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 75. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 57. Chance of precipitation is 40%.

    Low: 57 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.

    High: 89 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 82. Southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Tonight
A slight chance of showers and thunderstorms between 11pm and 1am. Mostly cloudy, then gradual clearing toward daybreak, with a low around 58. Southwest wind 6 to 8 mph becoming northwest after midnight. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 75. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Clear, with a low around 49. North wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 75. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Thursday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 57. Chance of precipitation is 40%.
Friday
A 40 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 67.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 91. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Belleville IL
 38.5°N 89.98°W (Elev. 495 ft)
Last Update:
1:26 pm CDT May 12, 2026
Forecast Valid:
1pm CDT May 12, 2026-6pm CDT May 18, 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