Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
46°F
8°C
| Humidity | 95% |
| Wind Speed | Calm |
| Barometer | 30.18 in |
| Dewpoint | 45°F (7°C) |
| Visibility | 10.00 mi |
| Last update | 4 Oct 5:35 am CDT |
Extended Forecast for
Carlinville IL
Today
High: 79 °F
Sunny
Tonight
Low: 46 °F
Mostly Clear
Monday
High: 74 °F
Sunny
Monday Night
Low: 45 °F
Clear
Tuesday
High: 78 °F
Sunny
Tuesday Night
Low: 53 °F
Clear
Wednesday
High: 82 °F
Sunny
Wednesday Night
Low: 51 °F
Clear
Thursday
High: 82 °F
Sunny then
Slight Chance
Showers
Detailed Forecast
Today
Sunny, with a high near 79. Calm wind becoming north 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 46. North wind 3 to 5 mph.
Monday
Sunny, with a high near 74. Calm wind becoming northeast around 5 mph.
Monday Night
Clear, with a low around 45. Calm wind.
Tuesday
Sunny, with a high near 78. Calm wind becoming south around 6 mph in the morning.
Tuesday Night
Clear, with a low around 53.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Clear, with a low around 51.
Thursday
A 20 percent chance of showers after 1pm. Sunny, with a high near 82.
Thursday Night
A 20 percent chance of showers before 1am. Mostly clear, with a low around 53.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 55.
Saturday
Mostly sunny, with a high near 85.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Carlinville IL
39.27°N 89.89°W (Elev. 614 ft)
39.27°N 89.89°W (Elev. 614 ft)
4:51 am CDT Oct 4, 2026
5am CDT Oct 4, 2026-6pm CDT Oct 10, 2026
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