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 >

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Light Rain

74°F

23°C

Humidity 79%
Wind Speed NE 5 mph
Barometer 29.91 in (1012.5 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 26 May 7:53 pm CDT
Extended Forecast for

Belleville IL

  • Tonight

    Tonight: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 64. East wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 50%.

    Low: 64 °F

    Scattered
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly between 10am and 5pm.  Cloudy through mid morning, then becoming mostly sunny, with a high near 82. Northwest wind 3 to 7 mph.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. North wind 3 to 5 mph.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Cloudy through mid morning, then becoming mostly sunny, with a high near 84. Light northeast wind becoming east 5 to 9 mph in the morning.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 64. East wind 6 to 8 mph.

    Low: 64 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 80.

    High: 80 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am.  Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 62.

    Low: 62 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 64. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly between 10am and 5pm. Cloudy through mid morning, then becoming mostly sunny, with a high near 82. Northwest wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 63. North wind 3 to 5 mph.
Thursday
Cloudy through mid morning, then becoming mostly sunny, with a high near 84. Light northeast wind becoming east 5 to 9 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 64. East wind 6 to 8 mph.
Friday
Mostly cloudy, with a high near 80.
Friday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 62.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 81.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Belleville IL
 38.53°N 90.04°W (Elev. 554 ft)
4:51 pm CDT May 26, 2026
8pm CDT May 26, 2026-6pm CDT Jun 2, 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