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Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
83°F
28°C
| Humidity | 40% |
| Wind Speed | NW 3 mph |
| Barometer | 30.01 in (1015.8 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Heat Index | 82°F (28°C) |
| Last update | 19 Jun 4:53 pm CDT |
Extended Forecast for
3 Miles NW Belleville IL
Tonight
Low: 66 °F
Mostly Cloudy
Saturday
High: 86 °F
Isolated
Showers then
Mostly SunnySaturday Night
Low: 68 °F
Partly Cloudy
then Chance
ShowersSunday
High: 83 °F
T-storms
Sunday Night
Low: 68 °F
T-storms
Monday
High: 79 °F
Slight Chance
T-stormsMonday Night
Low: 62 °F
Partly Cloudy
Tuesday
High: 80 °F
Mostly Sunny
Tuesday Night
Low: 64 °F
Partly Cloudy
then Slight
Chance
Showers
Detailed Forecast
Tonight
Mostly cloudy, with a low around 66. Calm wind.
Saturday
Isolated showers before 10am. Mostly sunny, with a high near 86. Light and variable wind. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers between 1am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 68. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 30%.
Sunday
Showers and thunderstorms, mainly after 7am. High near 83. Southeast wind 6 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%.
Sunday Night
Showers and thunderstorms. Low around 68. Southwest wind 8 to 10 mph becoming northwest after midnight. Chance of precipitation is 90%.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles NW Belleville IL
38.55°N 90.04°W (Elev. 538 ft)
38.55°N 90.04°W (Elev. 538 ft)
5:06 pm CDT Jun 19, 2026
5pm CDT Jun 19, 2026-6pm CDT Jun 26, 2026
Additional Resources
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