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.

Partly Cloudy

70°F

21°C

Humidity 61%
Wind Speed NW 7 mph
Barometer 30.25 in (1024.1 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 10 Apr 2:53 pm CDT
Extended Forecast for

2 Miles WNW Belleville IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly before 4pm. Mostly cloudy, with a high near 71. North wind around 8 mph.

    High: 71 °F

    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers between 3am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 52. North wind 6 to 8 mph becoming east after midnight. Chance of precipitation is 30%.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 73. Southeast wind around 8 mph.

    High: 73 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60. Southeast wind around 8 mph.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 80. South wind 9 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    High: 80 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 85.

    High: 85 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly before 4pm. Mostly cloudy, with a high near 71. North wind around 8 mph.
Tonight
A slight chance of showers between 3am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 52. North wind 6 to 8 mph becoming east after midnight. Chance of precipitation is 30%.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 73. Southeast wind around 8 mph.
Saturday Night
Partly cloudy, with a low around 60. Southeast wind around 8 mph.
Sunday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 80. South wind 9 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 87.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Belleville IL
 38.55°N 90.04°W (Elev. 538 ft)
Last Update:
2:46 pm CDT Apr 10, 2026
Forecast Valid:
3pm CDT Apr 10, 2026-6pm CDT Apr 17, 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