Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Overcast
70°F
21°C
| Humidity | 89% |
| Wind Speed | Calm |
| Barometer | 30.06 in |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 15 Oct 12:55 am CDT |
Extended Forecast for
Bethalto IL
Overnight
Low: 66 °F
Scattered
ShowersThursday
High: 80 °F
Showers
Likely then
Chance
T-stormsThursday Night
Low: 46 °F
Showers
LikelyFriday
High: 57 °F
Sunny and
BreezyFriday Night
Low: 38 °F
Partly Cloudy
Saturday
High: 62 °F
Sunny
Saturday Night
Low: 36 °F
Clear
Sunday
High: 67 °F
Sunny
Sunday Night
Low: 40 °F
Mostly Clear
Detailed Forecast
Overnight
Scattered showers, mainly after 5am. Mostly cloudy, with a low around 66. Light east wind. Chance of precipitation is 30%.
Thursday
Scattered showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and noon, then a chance of showers and thunderstorms after noon. Cloudy, then gradually becoming mostly sunny, with a high near 80. East wind 5 to 11 mph becoming southwest in the afternoon. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely before 1am, then a chance of showers between 1am and 2am. Increasing clouds, with a low around 46. Southwest wind 11 to 17 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 60%.
Friday
Mostly cloudy through mid morning, then becoming sunny, with a high near 57. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 38. North wind 9 to 16 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 62.
Saturday Night
Clear, with a low around 36.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 40.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 80.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Bethalto IL
38.9°N 90.05°W (Elev. 512 ft)
38.9°N 90.05°W (Elev. 512 ft)
10:21 pm CDT Oct 14, 2026
1am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
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