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Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
72°F
22°C
| Humidity | 88% |
| Wind Speed | NE 7 mph |
| Barometer | 30.15 in |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Last update | 12 Jul 7:50 am CDT |
Extended Forecast for
Chesterfield IL
Today
High: 85 °F
Sunny
Tonight
Low: 63 °F
Clear
Monday
High: 87 °F
Sunny
Monday Night
Low: 65 °F
Clear
Tuesday
High: 90 °F
Sunny
Tuesday Night
Low: 68 °F
Mostly Clear
Wednesday
High: 91 °F
Sunny
Wednesday Night
Low: 70 °F
Mostly Clear
Thursday
High: 92 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 85. Northeast wind 6 to 10 mph.
Tonight
Clear, with a low around 63. Northeast wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 87. Calm wind becoming northeast 5 to 7 mph in the morning.
Monday Night
Clear, with a low around 65. Light northeast wind.
Tuesday
Sunny, with a high near 90. Calm wind becoming northeast around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 71.
Saturday
Sunny, with a high near 92.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Chesterfield IL
39.24°N 90.09°W (Elev. 551 ft)
39.24°N 90.09°W (Elev. 551 ft)
5:52 am CDT Jul 12, 2026
8am CDT Jul 12, 2026-6pm CDT Jul 18, 2026
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