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Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
30°F
-1°C
| Humidity | 56% |
| Wind Speed | S 7 mph |
| Barometer | 30.34 in (1027.7 mb) |
| Dewpoint | 16°F (-9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 23°F (-5°C) |
| Last update | 12 Jan 6:53 am CST |
Extended Forecast for
3 Miles SE Belleville IL
Today

High: 54 °F
Sunny
Tonight

Low: 35 °F
Mostly Clear
Tuesday

High: 62 °F
Increasing
CloudsTuesday Night
Low: 39 °F
Chance
Showers then
Mostly CloudyWednesday
High: 43 °F⇓
Partly Sunny
then Slight
Chance
ShowersWednesday Night

Low: 18 °F
Partly Cloudy
Thursday

High: 32 °F
Mostly Sunny
Thursday Night

Low: 25 °F
Mostly Cloudy
Friday
High: 43 °F
Partly Sunny
then Slight
Chance Snow
Showers
Detailed Forecast
Today
Sunny, with a high near 54. Southwest wind 7 to 10 mph.
Tonight
Mostly clear, with a low around 35. Southwest wind around 7 mph.
Tuesday
Increasing clouds, with a high near 62. West wind 7 to 14 mph, with gusts as high as 26 mph.
Tuesday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 39. West wind 7 to 9 mph.
Wednesday
A 20 percent chance of showers after noon. Mostly cloudy, with a temperature falling to around 34 by 5pm. Northwest wind 10 to 18 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 32.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
A 20 percent chance of snow showers after noon. Partly sunny, with a high near 43.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Partly sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 12.
Sunday
Sunny, with a high near 30.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SE Belleville IL
38.5°N 89.98°W (Elev. 495 ft)
38.5°N 89.98°W (Elev. 495 ft)
5:01 am CST Jan 12, 2026
7am CST Jan 12, 2026-6pm CST Jan 18, 2026


