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Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
34°F
1°C
| Humidity | 70% |
| Wind Speed | S 8 mph |
| Barometer | 29.92 in |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 27°F (-3°C) |
| Last update | 5 Feb 4:45 pm CST |
Extended Forecast for
Bethalto IL
Tonight

Low: 28 °F
Partly Cloudy
Friday

High: 46 °F
Mostly Cloudy
and BreezyFriday Night

Low: 21 °F
Partly Cloudy
Saturday

High: 34 °F
Sunny
Saturday Night

Low: 24 °F
Mostly Cloudy
Sunday

High: 50 °F
Mostly Sunny
Sunday Night

Low: 28 °F
Mostly Clear
Monday

High: 55 °F
Sunny
Monday Night

Low: 38 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 28. Southeast wind 5 to 8 mph becoming west after midnight.
Friday
Sunny through mid morning, then becoming mostly cloudy, with a high near 46. Breezy, with a southwest wind 10 to 15 mph becoming northwest 16 to 21 mph in the morning. Winds could gust as high as 32 mph.
Friday Night
Partly cloudy, with a low around 21. Northwest wind 6 to 16 mph, with gusts as high as 28 mph.
Saturday
Sunny, with a high near 34. Northeast wind around 6 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 24. Southeast wind 6 to 10 mph.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 28.
Monday
Sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 38.
Tuesday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 63.
Tuesday Night
A 40 percent chance of rain. Cloudy, with a low around 41.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 54.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 35.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 48.
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)
4:41 pm CST Feb 5, 2026
5pm CST Feb 5, 2026-6pm CST Feb 12, 2026


