Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Mostly Cloudy and Windy
32°F
0°C
| Humidity | 64% |
| Wind Speed | W 26 G 36 mph |
| Barometer | 29.74 in |
| Dewpoint | 21°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 18°F (-8°C) |
| Last update | 20 Feb 5:35 am CST |
Extended Forecast for
Bethalto IL
Today
High: 42 °F
Becoming
Sunny and
Breezy then
SunnyTonight
Low: 26 °F
Increasing
CloudsSaturday
High: 42 °F
Partly Sunny
Saturday Night
Low: 23 °F
Mostly Clear
Sunday
High: 35 °F
Sunny and
BreezySunday Night
Low: 16 °F
Mostly Clear
Monday
High: 34 °F
Sunny
Monday Night
Low: 18 °F
Mostly Clear
Tuesday
High: 48 °F
Partly Sunny
Detailed Forecast
Today
Partly sunny, then gradually becoming sunny, with a high near 42. Breezy, with a west wind 13 to 22 mph, with gusts as high as 38 mph.
Tonight
Increasing clouds, with a low around 26. North wind 5 to 8 mph.
Saturday
Partly sunny, with a high near 42. Northwest wind 7 to 13 mph.
Saturday Night
Mostly clear, with a low around 23. Northwest wind 10 to 14 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 35. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 31 mph.
Sunday Night
Mostly clear, with a low around 16.
Monday
Sunny, with a high near 34.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Partly sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 53.
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)
4:51 am CST Feb 20, 2026
5am CST Feb 20, 2026-6pm CST Feb 26, 2026
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