Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fog/Mist
66°F
19°C
| Humidity | 96% |
| Wind Speed | Calm |
| Barometer | 30.06 in (1017.5 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 1.25 mi |
| Last update | 15 Oct 2:53 am CDT |
Extended Forecast for
Scott Air Force Base / Belleville IL
Overnight

Low: 67 °F
Chance
ShowersThursday
High: 82 °F
Showers
Likely then
Chance
T-stormsThursday Night

Low: 48 °F
Showers
LikelyFriday

High: 58 °F
Sunny and
BreezyFriday Night

Low: 39 °F
Mostly Cloudy
Saturday

High: 60 °F
Sunny
Saturday Night

Low: 36 °F
Clear
Sunday

High: 67 °F
Sunny
Sunday Night

Low: 39 °F
Mostly Clear
Detailed Forecast
Overnight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 67. Calm wind.
Thursday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and noon, then a chance of showers and thunderstorms after noon. Cloudy, then gradually becoming mostly sunny, with a high near 82. Light and variable wind becoming southwest 6 to 11 mph in the morning. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely before 3am, then isolated showers between 3am and 4am. Increasing clouds, with a low around 48. Southwest wind 10 to 17 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%.
Friday
Mostly cloudy through mid morning, then becoming sunny, with a high near 58. Breezy, with a northwest wind 18 to 22 mph.
Friday Night
Mostly cloudy, with a low around 39. North wind 11 to 17 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 60.
Saturday Night
Clear, with a low around 36.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 39.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 78.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Scott Air Force Base / Belleville IL
38.54°N 89.87°W (Elev. 449 ft)
38.54°N 89.87°W (Elev. 449 ft)
1:26 am CDT Oct 15, 2026
3am CDT Oct 15, 2026-6pm CDT Oct 21, 2026


