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.

Overcast

65°F

18°C

Humidity 56%
Wind Speed Vrbl 6 mph
Barometer 29.90 in (1012.4 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 8 May 10:53 am CDT
Extended Forecast for

Scott Air Force Base / Belleville IL

  • Today

    Today: Scattered showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 76. Southwest wind around 11 mph. Chance of precipitation is 30%.

    High: 76 °F

    Scattered
    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 11pm, then scattered showers between 11pm and 1am. Low around 52. North wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 90%.

    Low: 52 °F

    Showers then
    Scattered
    Showers

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 80. West wind 5 to 10 mph.

    High: 80 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Increasing clouds, with a low around 55. Light and variable wind. Chance of precipitation is 20%.

    Low: 55 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 69. North wind 6 to 10 mph.

    High: 69 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 76. Southwest wind around 11 mph. Chance of precipitation is 30%.
Tonight
Showers and possibly a thunderstorm before 11pm, then scattered showers between 11pm and 1am. Low around 52. North wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 90%.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 80. West wind 5 to 10 mph.
Saturday Night
A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Increasing clouds, with a low around 55. Light and variable wind. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 69. North wind 6 to 10 mph.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Scott Air Force Base / Belleville IL
 38.54°N 89.84°W (Elev. 417 ft)
Last Update:
8:26 am CDT May 8, 2026
Forecast Valid:
11am CDT May 8, 2026-6pm CDT May 14, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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