Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
39°F
4°C
| Humidity | 95% |
| Wind Speed | E 3 mph |
| Barometer | 30.47 in |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 18 Oct 1:15 am CDT |
Extended Forecast for
3 Miles SW Carlinville IL
Frost Advisory until October 18, 09:00am
NOW until 9:00am Sun
Frost Advisory
Overnight
Low: 32 °F
Areas Frost
Sunday
High: 68 °F
Frost then
SunnySunday Night
Low: 37 °F
Clear
Monday
High: 71 °F
Sunny
Monday Night
Low: 38 °F
Mostly Clear
Tuesday
High: 74 °F
Sunny
Tuesday Night
Low: 41 °F
Mostly Clear
Wednesday
High: 77 °F
Sunny
Detailed Forecast
Overnight
Areas of frost after 3am. Otherwise, clear, with a low around 32. Light southeast wind.
Sunday
Widespread frost, mainly between 7am and 8am. Otherwise, sunny, with a high near 68. South wind 3 to 7 mph.
Sunday Night
Clear, with a low around 37. Light southeast wind.
Monday
Sunny, with a high near 71. Calm wind.
Monday Night
Mostly clear, with a low around 38. Calm wind.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Clear, with a low around 43.
Thursday
Sunny, with a high near 81.
Thursday Night
Clear, with a low around 44.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 80.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SW Carlinville IL
39.25°N 89.92°W (Elev. 551 ft)
39.25°N 89.92°W (Elev. 551 ft)
1:26 am CDT Oct 18, 2026
1am CDT Oct 18, 2026-6pm CDT Oct 24, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
