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.

Fair

17°F

-8°C

Humidity 43%
Wind Speed NW 18 G 32 mph
Barometer 30.43 in (1031.1 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill1°F (-17°C)
Last update 19 Jan 9:53 am CST
Extended Forecast for

Scott Air Force Base / Belleville IL

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 21. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 21 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 12. West wind around 5 mph becoming light and variable.

    Low: 12 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. South wind 5 to 10 mph.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 26. South wind 9 to 14 mph, with gusts as high as 24 mph.

    Low: 26 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48. West wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 48 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 26.

    High: 26 °F

    Mostly Cloudy

Detailed Forecast

M.L.King Day
Sunny, with a high near 21. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 28 mph.
Tonight
Mostly clear, with a low around 12. West wind around 5 mph becoming light and variable.
Tuesday
Mostly sunny, with a high near 39. South wind 5 to 10 mph.
Tuesday Night
Increasing clouds, with a low around 26. South wind 9 to 14 mph, with gusts as high as 24 mph.
Wednesday
Mostly sunny, with a high near 48. West wind 7 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 22.
Thursday
Sunny, with a high near 37.
Thursday Night
Mostly cloudy, with a low around 16.
Friday
Mostly cloudy, with a high near 26.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 1.
Saturday
A 20 percent chance of snow. Mostly cloudy and cold, with a high near 18.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 7.
Sunday
Mostly sunny, with a high near 26.
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:
9:57 am CST Jan 19, 2026
Forecast Valid:
10am CST Jan 19, 2026-6pm CST Jan 25, 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