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Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Overcast
34°F
1°C
| Humidity | 81% |
| Wind Speed | Calm |
| Barometer | 29.94 in |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Last update | 1 Jan 2:50 pm CST |
Extended Forecast for
Bethalto IL
Tonight
Low: 27 °F
Cloudy
Friday
High: 38 °F
Cloudy
Friday Night
Low: 27 °F
Cloudy
Saturday
High: 40 °F
Decreasing
CloudsSaturday Night
Low: 23 °F
Mostly Clear
Sunday
High: 41 °F
Mostly Sunny
Sunday Night
Low: 32 °F
Partly Cloudy
Monday
High: 58 °F
Mostly Sunny
Monday Night
Low: 42 °F
Mostly Cloudy
Detailed Forecast
Tonight
Cloudy, with a low around 27. Light north wind.
Friday
Cloudy, with a high near 38. Northeast wind 3 to 7 mph.
Friday Night
Cloudy, with a low around 27. Northeast wind 5 to 7 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 40. Northeast wind around 6 mph.
Saturday Night
Mostly clear, with a low around 23. North wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 58.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly sunny, with a high near 56.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 41.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 58.
Additional Forecasts and Information
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Forecast AreaABOUT 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 Jan 1, 2026
3pm CST Jan 1, 2026-6pm CST Jan 8, 2026
Additional Resources
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