Showers and Storms continue across the East; Heat, Critical Fire Weather, Drought, and Poor Air Quality continues in the West

A series of fronts will focus locally heavy showers and storms across portions of the central and eastern U.S. through the end of the workweek. Dangerous to extreme heat continues across the Southwest U.S., eventually spreading eastward over the weekend into early next week. Elevated fire weather conditions continue across the Great Basin, with degraded air quality lingering across the Northwest. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

80°F

27°C

Humidity 64%
Wind Speed S 7 mph
Barometer 30.08 in (1018.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 5 Aug 9:53 am CDT
Extended Forecast for

4 Miles SE Belleville IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 89. South wind around 7 mph.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 3am.  Mostly cloudy, with a low around 72. Southeast wind 3 to 6 mph.

    Low: 72 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 2pm.  Cloudy, then gradually becoming mostly sunny, with a high near 84. Calm wind becoming west around 5 mph in the morning.  Chance of precipitation is 70%.

    High: 84 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly after 10pm.  Mostly cloudy, with a low around 71. Calm wind becoming south around 5 mph after midnight.

    Low: 71 °F

    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 87. Light and variable wind becoming southwest around 6 mph in the morning.

    High: 87 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 89. South wind around 7 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 72. Southeast wind 3 to 6 mph.
Thursday
Showers and thunderstorms likely, mainly before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 84. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly after 10pm. Mostly cloudy, with a low around 71. Calm wind becoming south around 5 mph after midnight.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Light and variable wind becoming southwest around 6 mph in the morning.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Saturday
Mostly sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 72.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 94.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 75.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Belleville IL
 38.5°N 89.93°W (Elev. 499 ft)
11:31 am CDT Aug 5, 2026
12pm CDT Aug 5, 2026-6pm CDT Aug 11, 2026
 
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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