Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
57°F
14°C
| Humidity | 39% |
| Wind Speed | Vrbl 3 mph |
| Barometer | 30.49 in |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Last update | 17 Oct 3:45 pm CDT |
Extended Forecast for
3 Miles SE Carlinville IL
Tonight
Low: 34 °F
Clear then
Areas FrostSunday
High: 68 °F
Areas Frost
then SunnySunday Night
Low: 35 °F
Clear
Monday
High: 72 °F
Patchy Frost
then Mostly
SunnyMonday Night
Low: 38 °F
Mostly Clear
Tuesday
High: 75 °F
Sunny
Tuesday Night
Low: 40 °F
Partly Cloudy
Wednesday
High: 78 °F
Sunny
Wednesday Night
Low: 44 °F
Mostly Clear
Detailed Forecast
Tonight
Areas of frost after 5am. Otherwise, clear, with a low around 34. Calm wind becoming southeast around 5 mph after midnight.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 68. South wind 5 to 8 mph.
Sunday Night
Clear, with a low around 35. Light southeast wind.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 72. Calm wind.
Monday Night
Mostly clear, with a low around 38. Calm wind.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly sunny, with a high near 79.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SE Carlinville IL
39.25°N 89.83°W (Elev. 650 ft)
39.25°N 89.83°W (Elev. 650 ft)
2:20 pm CDT Oct 17, 2026
4pm CDT Oct 17, 2026-6pm CDT Oct 24, 2026
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