Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
45°F
7°C
| Humidity | 57% |
| Wind Speed | NW 17 mph |
| Barometer | 30.28 in |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 38°F (3°C) |
| Last update | 5 Apr 8:45 am CDT |
Extended Forecast for
3 Miles N West Alton MO
Today

High: 58 °F
Sunny
Tonight

Low: 40 °F
Clear
Monday

High: 60 °F
Increasing
CloudsMonday Night
Low: 37 °F
Mostly Cloudy
then Slight
Chance RainTuesday

High: 52 °F
Mostly Cloudy
Tuesday Night

Low: 41 °F
Mostly Cloudy
Wednesday

High: 74 °F
Mostly Sunny
Wednesday Night

Low: 54 °F
Partly Cloudy
Thursday
High: 77 °F
Mostly Sunny
then Slight
Chance
T-storms
Detailed Forecast
Today
Sunny, with a high near 58. Northwest wind 11 to 14 mph, with gusts as high as 22 mph.
Tonight
Clear, with a low around 40. West wind 3 to 8 mph.
Monday
Increasing clouds, with a high near 60. Northwest wind 6 to 13 mph.
Monday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 37. Northwest wind around 9 mph.
Tuesday
Mostly cloudy, with a high near 52. East wind around 9 mph.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 77.
Thursday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles N West Alton MO
38.91°N 90.22°W (Elev. 407 ft)
38.91°N 90.22°W (Elev. 407 ft)
6:26 am CDT Apr 5, 2026
9am CDT Apr 5, 2026-6pm CDT Apr 11, 2026


