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Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
36°F
2°C
| Humidity | 52% |
| Wind Speed | W 6 mph |
| Barometer | 30.50 in |
| Dewpoint | 19°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 31°F (-1°C) |
| Last update | 11 Jan 4:50 pm CST |
Extended Forecast for
2 Miles WSW Alton IL
Tonight
Low: 26 °F
Clear
Monday
High: 51 °F
Sunny
Monday Night
Low: 37 °F
Partly Cloudy
Tuesday
High: 59 °F
Increasing
CloudsTuesday Night
Low: 38 °F
Slight Chance
Rain then
Mostly CloudyWednesday
High: 43 °F
Mostly Cloudy
and BreezyWednesday Night
Low: 18 °F
Mostly Cloudy
Thursday
High: 34 °F
Mostly Sunny
Thursday Night
Low: 27 °F
Mostly Cloudy
Detailed Forecast
Tonight
Clear, with a low around 26. South wind 5 to 7 mph.
Monday
Sunny, with a high near 51. Southwest wind 6 to 10 mph.
Monday Night
Partly cloudy, with a low around 37. Southwest wind 5 to 7 mph.
Tuesday
Increasing clouds, with a high near 59. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 38. West wind 8 to 10 mph.
Wednesday
Mostly cloudy, with a high near 43. Breezy.
Wednesday Night
Mostly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
Partly sunny, with a high near 43.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Mostly cloudy, with a high near 32.
Saturday Night
Partly cloudy, with a low around 14.
Sunday
Mostly sunny, with a high near 32.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles WSW Alton IL
38.88°N 90.19°W (Elev. 407 ft)
38.88°N 90.19°W (Elev. 407 ft)
4:36 pm CST Jan 11, 2026
5pm CST Jan 11, 2026-6pm CST Jan 18, 2026
Additional Resources
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Hourly Weather Forecast
