Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair with Haze
61°F
16°C
| Humidity | 55% |
| Wind Speed | SE 3 mph |
| Barometer | 30.42 in |
| Dewpoint | 45°F (7°C) |
| Visibility | 5.00 mi |
| Last update | 19 Oct 10:50 am CDT |
Extended Forecast for
Glen Carbon IL
Today
High: 71 °F
Sunny
Tonight
Low: 45 °F
Partly Cloudy
Tuesday
High: 73 °F
Sunny
Tuesday Night
Low: 44 °F
Clear
Wednesday
High: 77 °F
Sunny
Wednesday Night
Low: 47 °F
Clear
Thursday
High: 79 °F
Sunny
Thursday Night
Low: 49 °F
Clear
Friday
High: 78 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 71. Calm wind becoming southeast around 6 mph.
Tonight
Partly cloudy, with a low around 45. Calm wind.
Tuesday
Sunny, with a high near 73. Calm wind.
Tuesday Night
Clear, with a low around 44. Calm wind.
Wednesday
Sunny, with a high near 77. Calm wind.
Wednesday Night
Clear, with a low around 47.
Thursday
Sunny, with a high near 79.
Thursday Night
Clear, with a low around 49.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 49.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Mostly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 80.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Glen Carbon IL
38.77°N 89.97°W (Elev. 548 ft)
38.77°N 89.97°W (Elev. 548 ft)
10:51 am CDT Oct 19, 2026
11am CDT Oct 19, 2026-6pm CDT Oct 25, 2026
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