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NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment

After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

A Few Clouds

92°F

33°C

Humidity 52%
Wind Speed SW 13 G 23 mph
Barometer 29.77 in (1007.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 10 Jun 4:53 pm CDT
Extended Forecast for

Belleville IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95. Heat index values as high as 101. South wind around 13 mph, with gusts as high as 21 mph.

    High: 95 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 4am. Partly cloudy, with a low around 76. South wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 96. Heat index values as high as 105. South wind 7 to 16 mph, with gusts as high as 28 mph.

    High: 96 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers and thunderstorms, mainly before midnight. Low around 67. Southwest wind 6 to 14 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%.

    Low: 67 °F

    Showers then
    Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 85. Northwest wind 3 to 6 mph.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 70. Chance of precipitation is 80%.

    Low: 70 °F

    Showers

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 81.

    High: 81 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95. Heat index values as high as 101. South wind around 13 mph, with gusts as high as 21 mph.
Tonight
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 4am. Partly cloudy, with a low around 76. South wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 96. Heat index values as high as 105. South wind 7 to 16 mph, with gusts as high as 28 mph.
Thursday Night
Showers and thunderstorms, mainly before midnight. Low around 67. Southwest wind 6 to 14 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%.
Friday
Sunny, with a high near 85. Northwest wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 65.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Saturday Night
Showers and possibly a thunderstorm. Low around 70. Chance of precipitation is 80%.
Sunday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 81.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 62.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Belleville IL
 38.52°N 89.98°W (Elev. 509 ft)
Last Update:
4:56 pm CDT Jun 10, 2026
Forecast Valid:
5pm CDT Jun 10, 2026-6pm CDT Jun 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