Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Mostly Cloudy
48°F
9°C
| Humidity | 58% |
| Wind Speed | NE 6 mph |
| Barometer | 30.27 in (1025.0 mb) |
| Dewpoint | 34°F (1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 20 Apr 2:53 am CDT |
Extended Forecast for
2 Miles WNW Belleville IL
Overnight

Low: 42 °F
Partly Cloudy
Monday

High: 69 °F
Sunny
Monday Night

Low: 51 °F
Mostly Clear
Tuesday

High: 80 °F
Sunny
Tuesday Night

Low: 57 °F
Mostly Clear
Wednesday

High: 79 °F
Sunny
Wednesday Night

Low: 58 °F
Mostly Clear
Thursday

High: 81 °F
Mostly Sunny
Thursday Night
Low: 63 °F
Slight Chance
T-storms then
Showers
Likely
Detailed Forecast
Overnight
Partly cloudy, with a low around 42. Northeast wind around 5 mph.
Monday
Sunny, with a high near 69. Light and variable wind becoming south 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 51. Southeast wind around 8 mph.
Tuesday
Sunny, with a high near 80. Southwest wind 7 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 57. Southwest wind 7 to 10 mph.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Friday
Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 80%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 73.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 52.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 72.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles WNW Belleville IL
38.55°N 90.04°W (Elev. 538 ft)
38.55°N 90.04°W (Elev. 538 ft)
1:26 am CDT Apr 20, 2026
2am CDT Apr 20, 2026-6pm CDT Apr 26, 2026


