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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 >

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Light Rain

78°F

26°C

Humidity 74%
Wind Speed S 7 mph
Barometer 29.89 in (1011.7 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 16 May 12:53 pm CDT
Extended Forecast for

Scott Air Force Base / Belleville IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms, mainly before 4pm. Mostly cloudy, with a high near 83. South wind 7 to 9 mph.

    High: 83 °F

    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 66. Southeast wind 6 to 8 mph.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 87. South wind 9 to 17 mph, with gusts as high as 26 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 70. South wind 11 to 15 mph, with gusts as high as 23 mph.

    Low: 70 °F

    Increasing
    Clouds

  • Monday

    Monday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 89. South wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

    High: 89 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 71. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 88. Chance of precipitation is 80%.

    High: 88 °F

    Showers
    Likely then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.

    Low: 61 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 74.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly before 4pm. Mostly cloudy, with a high near 83. South wind 7 to 9 mph.
Tonight
Partly cloudy, with a low around 66. Southeast wind 6 to 8 mph.
Sunday
Sunny, with a high near 87. South wind 9 to 17 mph, with gusts as high as 26 mph.
Sunday Night
Increasing clouds, with a low around 70. South wind 11 to 15 mph, with gusts as high as 23 mph.
Monday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 89. South wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Tuesday
Showers and possibly a thunderstorm. High near 88. Chance of precipitation is 80%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 74.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 54.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Scott Air Force Base / Belleville IL
 38.52°N 89.84°W (Elev. 427 ft)
Last Update:
12:26 pm CDT May 16, 2026
Forecast Valid:
1pm CDT May 16, 2026-6pm CDT May 22, 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