Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
45°F
7°C
| Humidity | 81% |
| Wind Speed | Calm |
| Barometer | 30.47 in |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 17 Oct 8:45 pm CDT |
Extended Forecast for
East Alton IL
Frost Advisory October 18, 01:00am until October 18, 09:00am
Tonight
Low: 37 °F
Clear
Sunday
High: 70 °F
Patchy Frost
and Patchy
Fog then
SunnySunday Night
Low: 39 °F
Clear
Monday
High: 73 °F
Sunny
Monday Night
Low: 42 °F
Mostly Clear
Tuesday
High: 76 °F
Sunny
Tuesday Night
Low: 44 °F
Partly Cloudy
Wednesday
High: 79 °F
Sunny
Wednesday Night
Low: 48 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 37. Light southeast wind.
Sunday
Patchy fog before 8am. Patchy frost before 8am. Otherwise, sunny, with a high near 70. South wind 3 to 8 mph.
Sunday Night
Clear, with a low around 39. Southeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 73. Light and variable wind.
Monday Night
Mostly clear, with a low around 42. Calm wind.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 51.
Saturday
Mostly sunny, with a high near 81.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
East Alton IL
38.86°N 90.11°W (Elev. 430 ft)
38.86°N 90.11°W (Elev. 430 ft)
6:10 pm CDT Oct 17, 2026
9pm CDT Oct 17, 2026-6pm CDT Oct 24, 2026
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