National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

71°F

22°C

Humidity 44%
Wind Speed S 10 G 21 mph
Barometer 30.12 in (1020.0 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 4 Nov 12:53 pm CST
Extended Forecast for

Scott Air Force Base / Belleville IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 69. South wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 50. South wind 7 to 10 mph.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 71. Southwest wind 7 to 15 mph becoming north in the afternoon. Winds could gust as high as 26 mph.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 38. North wind 5 to 7 mph becoming calm.

    Low: 38 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 65. Southeast wind 5 to 13 mph, with gusts as high as 21 mph.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: A 40 percent chance of rain before noon. Mostly sunny, with a high near 70.

    High: 70 °F

    Chance Rain
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 69. South wind 10 to 15 mph, with gusts as high as 26 mph.
Tonight
Partly cloudy, with a low around 50. South wind 7 to 10 mph.
Wednesday
Sunny, with a high near 71. Southwest wind 7 to 15 mph becoming north in the afternoon. Winds could gust as high as 26 mph.
Wednesday Night
Clear, with a low around 38. North wind 5 to 7 mph becoming calm.
Thursday
Sunny, with a high near 65. Southeast wind 5 to 13 mph, with gusts as high as 21 mph.
Thursday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 54.
Friday
A 40 percent chance of rain before noon. Mostly sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 41.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 40.
Sunday
Sunny, with a high near 49.
Sunday Night
Mostly clear, with a low around 28.
Monday
Sunny, with a high near 46.
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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:
11:01 am CST Nov 4, 2025
Forecast Valid:
1pm CST Nov 4, 2025-6pm CST Nov 10, 2025
 
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