Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
88°F
31°C
| Humidity | 35% |
| Wind Speed | W 12 mph |
| Barometer | 29.88 in |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Heat Index | 87°F (31°C) |
| Last update | 7 Oct 3:45 pm CDT |
Extended Forecast for
4 Miles ENE Chesterfield IL
Tonight
Low: 54 °F
Clear
Thursday
High: 82 °F
Sunny
Thursday Night
Low: 56 °F
Mostly Clear
Friday
High: 87 °F
Sunny
Friday Night
Low: 61 °F
Clear
Saturday
High: 87 °F
Mostly Sunny
Saturday Night
Low: 55 °F
Chance Rain
Sunday
High: 79 °F
Partly Sunny
Sunday Night
Low: 57 °F
Partly Cloudy
Detailed Forecast
Tonight
Clear, with a low around 54. Northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 82. Light north wind.
Thursday Night
Mostly clear, with a low around 56. Light and variable wind.
Friday
Sunny, with a high near 87. South wind 5 to 9 mph.
Friday Night
Clear, with a low around 61. South wind around 7 mph.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
A 30 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 55.
Sunday
Partly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 57.
Columbus Day
Mostly sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 71.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles ENE Chesterfield IL
39.28°N 90°W (Elev. 600 ft)
39.28°N 90°W (Elev. 600 ft)
3:46 pm CDT Oct 7, 2026
4pm CDT Oct 7, 2026-6pm CDT Oct 14, 2026
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