Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
81°F
27°C
| Humidity | 48% |
| Wind Speed | N 6 mph |
| Barometer | 29.90 in |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 7 Oct 6:45 pm CDT |
Extended Forecast for
East Alton IL
Tonight
Low: 57 °F
Mostly Clear
Thursday
High: 84 °F
Sunny
Thursday Night
Low: 59 °F
Mostly Clear
Friday
High: 90 °F
Sunny
Friday Night
Low: 63 °F
Clear
Saturday
High: 89 °F
Mostly Sunny
Saturday Night
Low: 59 °F
Slight Chance
RainSunday
High: 81 °F
Partly Sunny
Sunday Night
Low: 60 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 57. Northwest wind 5 to 7 mph becoming calm after midnight.
Thursday
Sunny, with a high near 84. Light and variable wind.
Thursday Night
Mostly clear, with a low around 59. Light and variable wind.
Friday
Sunny, with a high near 90. South wind 5 to 9 mph.
Friday Night
Clear, with a low around 63. South wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 59.
Sunday
Partly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 60.
Columbus Day
Mostly sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 58.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 74.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
East Alton IL
38.88°N 90.13°W (Elev. 433 ft)
38.88°N 90.13°W (Elev. 433 ft)
5:40 pm CDT Oct 7, 2026
7pm CDT Oct 7, 2026-6pm CDT Oct 14, 2026
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