Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
47°F
8°C
| Humidity | 89% |
| Wind Speed | SW 9 mph |
| Barometer | 29.85 in |
| Dewpoint | 44°F (7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 43°F (6°C) |
| Last update | 5 Nov 5:55 am CST |
Extended Forecast for
2 Miles SW Alton IL
Today
High: 60 °F
Increasing
CloudsTonight
Low: 45 °F
Slight Chance
Drizzle then
CloudyFriday
High: 55 °F
Becoming
SunnyFriday Night
Low: 33 °F
Mostly Clear
Saturday
High: 55 °F
Mostly Sunny
Saturday Night
Low: 34 °F
Mostly Clear
Sunday
High: 60 °F
Sunny
Sunday Night
Low: 37 °F
Clear
Monday
High: 65 °F
Sunny
Detailed Forecast
Today
Increasing clouds, with a high near 60. West wind 7 to 14 mph, with gusts as high as 21 mph.
Tonight
A slight chance of drizzle between 7pm and 10pm. Cloudy, with a low around 45. Northwest wind around 9 mph.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 55. North wind 8 to 13 mph.
Friday Night
Mostly clear, with a low around 33. North wind 5 to 7 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 55. Light northwest wind.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 60.
Sunday Night
Clear, with a low around 37.
Monday
Sunny, with a high near 65.
Monday Night
Clear, with a low around 42.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 42.
Veterans Day
Mostly sunny, with a high near 66.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles SW Alton IL
38.88°N 90.19°W (Elev. 407 ft)
38.88°N 90.19°W (Elev. 407 ft)
5:57 am CST Nov 5, 2026
6am CST Nov 5, 2026-6pm CST Nov 11, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
