


Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Mostly Cloudy
74°F
23°C
Humidity | 52% |
Wind Speed | NE 3 mph |
Barometer | 30.18 in (1021.8 mb) |
Dewpoint | 55°F (13°C) |
Visibility | 10.00 mi |
Last update | 2 Aug 7:53 pm CDT |
Extended Forecast for
Belleville IL
Tonight
Low: 57 °F
Partly Cloudy
Sunday
High: 82 °F
Sunny
Sunday Night
Low: 65 °F
Partly Cloudy
Monday
High: 83 °F
Partly Sunny
then Slight
Chance
T-stormsMonday Night
Low: 67 °F
Partly Cloudy
Tuesday
High: 86 °F
Mostly Sunny
then Slight
Chance
T-stormsTuesday Night
Low: 68 °F
Mostly Clear
Wednesday
High: 88 °F
Mostly Sunny
Wednesday Night
Low: 69 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 57. Northeast wind 3 to 6 mph.
Sunday
Sunny, with a high near 82. Northeast wind 5 to 8 mph.
Sunday Night
Partly cloudy, with a low around 65. Northeast wind around 6 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. Calm wind becoming east around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 67. East wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 71.
Friday
Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 93.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Belleville IL
38.52°N 90.01°W (Elev. 535 ft)
38.52°N 90.01°W (Elev. 535 ft)
5:51 pm CDT Aug 2, 2025
8pm CDT Aug 2, 2025-6pm CDT Aug 9, 2025