Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
52°F
11°C
| Humidity | 41% |
| Wind Speed | SE 10 G 18 mph |
| Barometer | 30.30 in |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 49°F (9°C) |
| Last update | 24 Mar 11:50 am CDT |
Extended Forecast for
Bethalto IL
Today
High: 61 °F
Mostly Sunny
Tonight
Low: 42 °F
Mostly Cloudy
Wednesday
High: 77 °F
Sunny
Wednesday Night
Low: 62 °F
Mostly Clear
Thursday
High: 89 °F
Sunny
Thursday Night
Low: 43 °F
Showers
Friday
High: 51 °F
Rain then
Chance RainFriday Night
Low: 31 °F
Mostly Clear
Saturday
High: 56 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 61. Southeast wind around 9 mph.
Tonight
Mostly cloudy, with a low around 42. Southeast wind 5 to 7 mph.
Wednesday
Sunny, with a high near 77. Southeast wind 5 to 11 mph becoming south in the morning.
Wednesday Night
Mostly clear, with a low around 62. South wind around 10 mph.
Thursday
Sunny, with a high near 89. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Thursday Night
Showers and possibly a thunderstorm, mainly before 4am, then rain after 4am. Low around 43. Chance of precipitation is 80%.
Friday
Rain, mainly before 7am. High near 51. Chance of precipitation is 80%.
Friday Night
Mostly clear, with a low around 31.
Saturday
Sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 77.
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)
10:57 am CDT Mar 24, 2026
11am CDT Mar 24, 2026-6pm CDT Mar 30, 2026
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