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

37°F

3°C

Humidity 37%
Wind Speed SW 8 G 17 mph
Barometer 29.70 in (1005.9 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 16 Jan 3:53 am CST
Extended Forecast for

Scott Air Force Base / Belleville IL

  • Today

    Today: A chance of rain and snow before 11am, then a chance of rain after 4pm. Mostly cloudy, with a high near 45. West wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 45 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Tonight

    Tonight: A chance of rain before 8pm, then a chance of snow between 8pm and 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 23. West wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    Low: 23 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 30. West wind 9 to 15 mph, with gusts as high as 22 mph.

    High: 30 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 12. Northwest wind 6 to 10 mph.

    Low: 12 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 34. Southwest wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 34 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 25.

    High: 25 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of rain and snow before 11am, then a chance of rain after 4pm. Mostly cloudy, with a high near 45. West wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tonight
A chance of rain before 8pm, then a chance of snow between 8pm and 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 23. West wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Saturday
Partly sunny, with a high near 30. West wind 9 to 15 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 12. Northwest wind 6 to 10 mph.
Sunday
Mostly sunny, with a high near 34. Southwest wind 6 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 14.
M.L.King Day
Sunny, with a high near 25.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
Mostly sunny, with a high near 49.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 25.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 42.
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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:
3:16 am CST Jan 16, 2026
Forecast Valid:
4am CST Jan 16, 2026-6pm CST Jan 22, 2026
 
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Additional Resources

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Chance of Precipitation