Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
58°F
14°C
| Humidity | 72% |
| Wind Speed | Calm |
| Barometer | 30.24 in |
| Dewpoint | 49°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 5 Oct 12:15 am CDT |
Extended Forecast for
West Alton MO
Overnight
Low: 52 °F
Clear
Monday
High: 79 °F
Sunny
Monday Night
Low: 52 °F
Clear
Tuesday
High: 81 °F
Sunny
Tuesday Night
Low: 57 °F
Clear
Wednesday
High: 87 °F
Sunny
Wednesday Night
Low: 57 °F
Clear
Thursday
High: 85 °F
Sunny
Thursday Night
Low: 58 °F
Mostly Clear
Detailed Forecast
Overnight
Clear, with a low around 52. North wind 3 to 5 mph.
Monday
Sunny, with a high near 79. Light and variable wind becoming northeast around 6 mph in the morning.
Monday Night
Clear, with a low around 52. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 81. Calm wind becoming south 5 to 8 mph in the morning.
Tuesday Night
Clear, with a low around 57. Light south wind.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Clear, with a low around 57.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 85.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
West Alton MO
38.86°N 90.22°W (Elev. 427 ft)
38.86°N 90.22°W (Elev. 427 ft)
10:21 pm CDT Oct 4, 2026
12am CDT Oct 5, 2026-6pm CDT Oct 11, 2026
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