Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Thunderstorm Heavy Rain
59°F
15°C
| Humidity | 96% |
| Wind Speed | S 8 mph |
| Barometer | 29.91 in |
| Dewpoint | 58°F (14°C) |
| Visibility | 5.00 mi |
| Last update | 7 Mar 5:55 am CST |
Extended Forecast for
West Alton MO
Today
High: 65 °F⇓
Rain then
Mostly CloudyTonight

Low: 36 °F
Decreasing
CloudsSunday

High: 66 °F
Sunny
Sunday Night

Low: 46 °F
Clear
Monday

High: 79 °F
Sunny
Monday Night
Low: 59 °F
Mostly Clear
then Chance
RainTuesday
High: 80 °F
Chance Rain
then RainTuesday Night

Low: 51 °F
Rain
Wednesday
High: 64 °F
Breezy. Rain
then Chance
Rain
Detailed Forecast
Today
Rain and thunderstorms before 9am, then a chance of rain between 9am and 11am. Temperature rising to near 65 by 10am, then falling to around 55 during the remainder of the day. Southwest wind 8 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Northwest wind 5 to 10 mph becoming light west after midnight.
Sunday
Sunny, with a high near 66. Light west wind becoming southwest 6 to 11 mph in the morning.
Sunday Night
Clear, with a low around 46. South wind around 7 mph.
Monday
Sunny, with a high near 79. South wind 6 to 14 mph, with gusts as high as 23 mph.
Monday Night
A 30 percent chance of rain after midnight. Mostly clear, with a low around 59.
Tuesday
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after noon. High near 80. Chance of precipitation is 80%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 51. Chance of precipitation is 90%.
Wednesday
Rain and possibly a thunderstorm before noon, then a chance of rain. High near 64. Breezy. Chance of precipitation is 80%.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Sunny, with a high near 55.
Thursday Night
Mostly cloudy, with a low around 41.
Friday
Mostly cloudy, with a high near 66. Breezy.
Additional Forecasts and Information
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ABOUT 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)
5:21 am CST Mar 7, 2026
6am CST Mar 7, 2026-6pm CDT Mar 13, 2026



