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.

Partly Cloudy

66°F

19°C

Humidity 84%
Wind Speed S 12 G 28 mph
Barometer 29.54 in (1000.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 8 Jan 7:53 pm CST
Extended Forecast for

Scott Air Force Base / Belleville IL

  • Tonight

    Tonight: Rain and thunderstorms likely, mainly before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 48. Breezy, with a south wind 14 to 22 mph becoming west after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 70%.

    Low: 48 °F

    Rain Likely
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 55. West wind 6 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 55 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 38. Calm wind becoming northwest around 5 mph after midnight.

    Low: 38 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain before noon. Mostly cloudy, then gradually becoming sunny, with a high near 48. Northwest wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 48 °F

    Slight Chance
    Rain then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25. West wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain and thunderstorms likely, mainly before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 48. Breezy, with a south wind 14 to 22 mph becoming west after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 70%.
Friday
Mostly cloudy, with a high near 55. West wind 6 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Friday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 38. Calm wind becoming northwest around 5 mph after midnight.
Saturday
A 20 percent chance of rain before noon. Mostly cloudy, then gradually becoming sunny, with a high near 48. Northwest wind 6 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 25. West wind 10 to 13 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 38.
Sunday Night
Mostly clear, with a low around 24.
Monday
Sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Mostly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Scott Air Force Base / Belleville IL
 38.54°N 89.84°W (Elev. 417 ft)
Last Update:
3:57 pm CST Jan 8, 2026
Forecast Valid:
8pm CST Jan 8, 2026-6pm CST Jan 15, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation