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.

A Few Clouds

85°F

29°C

Humidity 51%
Wind Speed SW 16 G 26 mph
Barometer 29.80 in (1008.7 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 18 Jun 12:53 pm CDT
Extended Forecast for

3 Miles NW Belleville IL

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. West wind around 14 mph, with gusts as high as 32 mph.

    High: 86 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 69. West wind 6 to 10 mph.

    Low: 69 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Partly sunny, then gradually becoming sunny, with a high near 86. Northwest wind around 7 mph.

    High: 86 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 68. Light and variable wind.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 91. Light south wind increasing to 5 to 9 mph in the morning.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. West wind around 14 mph, with gusts as high as 32 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 69. West wind 6 to 10 mph.
Juneteenth
Partly sunny, then gradually becoming sunny, with a high near 86. Northwest wind around 7 mph.
Thursday Night
Mostly clear, with a low around 68. Light and variable wind.
Friday
Sunny, with a high near 91. Light south wind increasing to 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 75.
Saturday
Sunny, with a high near 95.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny, with a high near 96.
Sunday Night
Mostly clear, with a low around 77.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 76.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Belleville IL
 38.55°N 90.04°W (Elev. 538 ft)
Last Update:
1:21 pm CDT Jun 18, 2025
Forecast Valid:
1pm CDT Jun 18, 2025-6pm CDT Jun 24, 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