Showers and Storms in the East; Dangerously Hot and Dry in the West

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

69°F

21°C

Humidity 96%
Wind Speed Calm
Barometer 30.04 in (1017.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 7 Aug 5:53 am CDT
Extended Forecast for

2 Miles ESE Belleville IL

  • Today

    Today: A 20 percent chance of showers and thunderstorms before 7am.  Mostly cloudy, then gradually becoming sunny, with a high near 90. Light and variable wind becoming southwest around 6 mph in the morning.

    High: 90 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 72. Southwest wind around 6 mph becoming calm  after midnight.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 90. Heat index values as high as 102. Light southwest wind.

    High: 90 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 94. South wind 5 to 8 mph.

    High: 94 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Monday Night

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

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 90. Light and variable wind becoming southwest around 6 mph in the morning.
Tonight
Partly cloudy, with a low around 72. Southwest wind around 6 mph becoming calm after midnight.
Saturday
Mostly sunny, with a high near 90. Heat index values as high as 102. Light southwest wind.
Saturday Night
Mostly clear, with a low around 72. Calm wind.
Sunday
Mostly sunny, with a high near 94. South wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Mostly sunny, with a high near 93.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Belleville IL
 38.52°N 89.98°W (Elev. 509 ft)
5:06 am CDT Aug 7, 2026
6am CDT Aug 7, 2026-6pm CDT Aug 13, 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