Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
54°F
12°C
| Humidity | 73% |
| Wind Speed | N 3 mph |
| Barometer | 30.25 in |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 5 Oct 3:15 am CDT |
Extended Forecast for
East Alton IL
Overnight
Low: 52 °F
Clear
Monday
High: 79 °F
Sunny
Monday Night
Low: 51 °F
Clear
Tuesday
High: 81 °F
Sunny
Tuesday Night
Low: 57 °F
Clear
Wednesday
High: 88 °F
Sunny
Wednesday Night
Low: 57 °F
Mostly Clear
Thursday
High: 84 °F
Sunny
Thursday Night
Low: 57 °F
Mostly Clear
Detailed Forecast
Overnight
Clear, with a low around 52. Light north wind.
Monday
Sunny, with a high near 79. Northeast wind 3 to 6 mph.
Monday Night
Clear, with a low around 51. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 81. Calm wind becoming south 5 to 7 mph in the morning.
Tuesday Night
Clear, with a low around 57. Light south wind.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 88.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
East Alton IL
38.88°N 90.11°W (Elev. 436 ft)
38.88°N 90.11°W (Elev. 436 ft)
2:31 am CDT Oct 5, 2026
3am CDT Oct 5, 2026-6pm CDT Oct 11, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
