Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
35°F
2°C
| Humidity | 86% |
| Wind Speed | SE 5 mph |
| Barometer | 29.97 in |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 31°F (-1°C) |
| Last update | 9 Feb 11:15 pm CST |
Extended Forecast for
Bethalto IL
Tonight
Low: 37 °F
Clear
Tuesday
High: 59 °F
Sunny
Tuesday Night
Low: 28 °F
Partly Cloudy
Wednesday
High: 49 °F
Mostly Sunny
Wednesday Night
Low: 30 °F
Mostly Cloudy
Thursday
High: 45 °F
Cloudy
Thursday Night
Low: 31 °F
Slight Chance
RainFriday
High: 47 °F
Partly Sunny
Friday Night
Low: 34 °F
Chance Rain
Detailed Forecast
Tonight
Clear, with a low around 37. South wind around 8 mph.
Tuesday
Sunny, with a high near 59. South wind 7 to 13 mph becoming north in the afternoon.
Tuesday Night
Partly cloudy, with a low around 28. North wind 6 to 9 mph.
Wednesday
Mostly sunny, with a high near 49. Northwest wind around 7 mph.
Wednesday Night
Mostly cloudy, with a low around 30. North wind around 5 mph becoming calm in the evening.
Thursday
Cloudy, with a high near 45.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 31.
Friday
Partly sunny, with a high near 47.
Friday Night
A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 34.
Saturday
Rain likely, mainly after noon. Cloudy, with a high near 46. Chance of precipitation is 70%.
Saturday Night
Rain. Low around 35. Chance of precipitation is 80%.
Sunday
A 50 percent chance of rain. Mostly sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 33.
Washington's Birthday
Mostly sunny, with a high near 57.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Bethalto IL
38.88°N 90.05°W (Elev. 525 ft)
38.88°N 90.05°W (Elev. 525 ft)
10:31 pm CST Feb 9, 2026
11pm CST Feb 9, 2026-6pm CST Feb 16, 2026
Additional Resources
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