


Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
A Few Clouds
82°F
28°C
Humidity | 37% |
Wind Speed | S 3 mph |
Barometer | 30.09 in |
Dewpoint | 54°F (12°C) |
Visibility | 10.00 mi |
Heat Index | 81°F (27°C) |
Last update | 1 Oct 5:50 pm CDT |
Extended Forecast for
East Alton IL
Tonight
Low: 62 °F
Mostly Cloudy
Thursday
High: 89 °F
Mostly Sunny
Thursday Night
Low: 65 °F
Mostly Clear
Friday
High: 90 °F
Sunny
Friday Night
Low: 62 °F
Mostly Clear
Saturday
High: 88 °F
Sunny
Saturday Night
Low: 60 °F
Clear
Sunday
High: 87 °F
Sunny
Sunday Night
Low: 64 °F
Clear
Detailed Forecast
Tonight
Mostly cloudy, with a low around 62. East wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 89. Light and variable wind becoming south around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 65. Southeast wind around 6 mph becoming calm after midnight.
Friday
Sunny, with a high near 90. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 62. Light south wind.
Saturday
Sunny, with a high near 88.
Saturday Night
Clear, with a low around 60.
Sunday
Sunny, with a high near 87.
Sunday Night
Clear, with a low around 64.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 63.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57.
Wednesday
Sunny, with a high near 77.
Additional Forecasts and Information
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ABOUT 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)
4:16 pm CDT Oct 1, 2025
6pm CDT Oct 1, 2025-6pm CDT Oct 8, 2025