Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
16°F
-9°C
| Humidity | 57% |
| Wind Speed | NW 16 G 21 mph |
| Barometer | 30.23 in |
| Dewpoint | 3°F (-16°C) |
| Visibility | 10.00 mi |
| Wind Chill | 1°F (-17°C) |
| Last update | 17 Mar 6:50 am CDT |
Extended Forecast for
West Alton MO
Today
High: 34 °F
Increasing
CloudsTonight
Low: 30 °F
Chance Snow
then Chance
Rain/SnowWednesday
High: 64 °F
Becoming
SunnyWednesday Night
Low: 42 °F
Mostly Cloudy
Thursday
High: 74 °F
Mostly Sunny
Thursday Night
Low: 46 °F
Mostly Clear
Friday
High: 76 °F
Sunny
Friday Night
Low: 49 °F
Partly Cloudy
Saturday
High: 78 °F
Sunny
Detailed Forecast
Today
Increasing clouds, with a high near 34. Northwest wind 6 to 10 mph becoming south in the afternoon.
Tonight
A chance of snow before 3am, then a chance of rain. Cloudy, with a low around 30. Southeast wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 64. South wind around 10 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 42. Light and variable wind.
Thursday
Mostly sunny, with a high near 74. Light and variable wind becoming southwest 5 to 8 mph in the morning.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 56.
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)
6:56 am CDT Mar 17, 2026
7am CDT Mar 17, 2026-6pm CDT Mar 23, 2026
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