Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
30°F
-1°C
| Humidity | 41% |
| Wind Speed | NW 9 G 20 mph |
| Barometer | 30.52 in (1034.1 mb) |
| Dewpoint | 9°F (-13°C) |
| Visibility | 10.00 mi |
| Wind Chill | 22°F (-6°C) |
| Last update | 23 Feb 1:53 pm CST |
Extended Forecast for
Scott Air Force Base / Belleville IL
This Afternoon

High: 30 °F
Sunny
Tonight

Low: 20 °F
Mostly Clear
Tuesday

High: 53 °F
Partly Sunny
and BreezyTuesday Night

Low: 34 °F
Mostly Cloudy
Wednesday

High: 55 °F
Mostly Sunny
Wednesday Night
Low: 36 °F
Slight Chance
Rain then
Chance RainThursday
High: 50 °F
Chance Rain
then Mostly
SunnyThursday Night

Low: 31 °F
Mostly Clear
Friday

High: 64 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 30. Northwest wind 6 to 11 mph.
Tonight
Mostly clear, with a low around 20. Calm wind becoming south around 6 mph after midnight.
Tuesday
Partly sunny, with a high near 53. Breezy, with a south wind 7 to 12 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 39 mph.
Tuesday Night
Mostly cloudy, with a low around 34. South wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Wednesday
Mostly sunny, with a high near 55. Calm wind becoming north around 6 mph in the morning.
Wednesday Night
A 50 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 36.
Thursday
A 30 percent chance of rain before noon. Partly sunny, with a high near 50.
Thursday Night
Mostly clear, with a low around 31.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 39.
Saturday
Sunny, with a high near 66.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 51.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Scott Air Force Base / Belleville IL
38.54°N 89.84°W (Elev. 417 ft)
38.54°N 89.84°W (Elev. 417 ft)
12:26 pm CST Feb 23, 2026
2pm CST Feb 23, 2026-6pm CST Mar 1, 2026


