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Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Overcast
41°F
5°C
| Humidity | 70% |
| Wind Speed | N 13 mph |
| Barometer | 30.08 in |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Wind Chill | 34°F (1°C) |
| Last update | 6 Feb 3:50 pm CST |
Extended Forecast for
Bethalto IL
Tonight

Low: 22 °F
Partly Cloudy
Saturday

High: 35 °F
Sunny
Saturday Night

Low: 25 °F
Mostly Cloudy
Sunday

High: 49 °F
Decreasing
CloudsSunday Night

Low: 29 °F
Mostly Clear
Monday

High: 58 °F
Sunny
Monday Night

Low: 39 °F
Mostly Clear
Tuesday
High: 64 °F
Partly Sunny
then Chance
RainTuesday Night

Low: 38 °F
Chance Rain
Detailed Forecast
Tonight
Partly cloudy, with a low around 22. North wind 6 to 10 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 35. Northeast wind around 6 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 25. South wind 7 to 10 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 49. South wind 6 to 10 mph.
Sunday Night
Mostly clear, with a low around 29. East wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 39.
Tuesday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 64.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 38.
Wednesday
A 30 percent chance of rain, mainly before noon. Partly sunny, with a high near 49.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 30.
Thursday
A 20 percent chance of rain. Mostly cloudy, with a high near 45.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 30.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 45.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Bethalto IL
38.88°N 90.02°W (Elev. 499 ft)
38.88°N 90.02°W (Elev. 499 ft)
3:16 pm CST Feb 6, 2026
4pm CST Feb 6, 2026-6pm CST Feb 13, 2026


