Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
4°C
39°F
| Humidity | 48% |
| Wind Speed | Calm |
| Barometer | 30.15 in |
| Dewpoint | -6°C (21°F) |
| Visibility | 16 km |
| Last update | 9 Feb 10:50 am CST |
Extended Forecast for
West Alton MO
Today
High: 12 °C
Sunny
Tonight
Low: 6 °C
Mostly Clear
Tuesday
High: 15 °C
Sunny
Tuesday Night
Low: -1 °C
Partly Cloudy
Wednesday
High: 10 °C
Mostly Sunny
Wednesday Night
Low: -1 °C
Mostly Cloudy
Thursday
High: 7 °C
Mostly Cloudy
then Slight
Chance RainThursday Night
Low: 0 °C
Chance Rain
Friday
High: 7 °C
Slight Chance
Rain
Detailed Forecast
Today
Sunny, with a high near 12. South wind 5 to 10 km/h.
Tonight
Mostly clear, with a low around 6. Southeast wind around 11 km/h becoming west after midnight.
Tuesday
Sunny, with a high near 15. West wind 10 to 16 km/h becoming north in the morning.
Tuesday Night
Partly cloudy, with a low around -1. North wind 8 to 10 km/h.
Wednesday
Mostly sunny, with a high near 10. North wind 8 to 10 km/h.
Wednesday Night
Mostly cloudy, with a low around -1.
Thursday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 7.
Thursday Night
A 40 percent chance of rain. Cloudy, with a low around 0.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 7.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around -1.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 8.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 0.
Sunday
A 20 percent chance of rain. Sunny, with a high near 9.
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 m)
38.86°N 90.22°W (Elev. 427 m)
8:27 am CST Feb 9, 2026
10am CST Feb 9, 2026-6pm CST Feb 15, 2026
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