Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
72°F
22°C
| Humidity | 38% |
| Wind Speed | Calm |
| Barometer | 30.06 in |
| Dewpoint | 45°F (7°C) |
| Visibility | 10.00 mi |
| Last update | 8 Oct 6:50 pm CDT |
Extended Forecast for
West Alton MO
Tonight
Low: 54 °F
Clear
Friday
High: 88 °F
Sunny
Friday Night
Low: 60 °F
Mostly Clear
Saturday
High: 85 °F
Increasing
CloudsSaturday Night
Low: 59 °F
Slight Chance
RainSunday
High: 82 °F
Mostly Sunny
Sunday Night
Low: 59 °F
Mostly Clear
Columbus Day
High: 93 °F
Sunny
Monday Night
Low: 66 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 54. Light southeast wind.
Friday
Sunny, with a high near 88. South wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 60. Southeast wind 5 to 8 mph.
Saturday
Increasing clouds, with a high near 85. South wind 5 to 11 mph.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 59. East wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 59.
Columbus Day
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 59.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 83.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 61.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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)
4:51 pm CDT Oct 8, 2026
6pm CDT Oct 8, 2026-6pm CDT Oct 15, 2026
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