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Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
63°F
17°C
| Humidity | 40% |
| Wind Speed | SE 7 mph |
| Barometer | 29.91 in (1013.0 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 7 Jan 3:53 pm CST |
Extended Forecast for
Scott Air Force Base / Belleville IL
Tonight

Low: 44 °F
Mostly Cloudy
Thursday
High: 67 °F
Chance Rain
then Showers
Likely and
BreezyThursday Night
Low: 51 °F
Showers then
Chance
ShowersFriday

High: 61 °F
Mostly Sunny
Friday Night

Low: 39 °F
Chance Rain
Saturday
High: 46 °F
Slight Chance
Rain then
Mostly SunnySaturday Night

Low: 24 °F
Partly Cloudy
Sunday

High: 36 °F
Sunny
Sunday Night

Low: 22 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly cloudy, with a low around 44. Southeast wind 7 to 9 mph.
Thursday
A chance of rain before noon, then showers likely, mainly after 5pm. Cloudy, with a high near 67. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 70%.
Thursday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 51. South wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Friday
Mostly sunny, with a high near 61. Southwest wind 7 to 10 mph becoming north in the afternoon.
Friday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 39. North wind 5 to 8 mph.
Saturday
A 20 percent chance of rain before noon. Partly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Sunny, with a high near 36.
Sunday Night
Mostly clear, with a low around 22.
Monday
Sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
A 20 percent chance of rain. Mostly cloudy, with a high near 45.
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)
4:31 pm CST Jan 7, 2026
4pm CST Jan 7, 2026-6pm CST Jan 14, 2026


