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Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
22°F
-6°C
| Humidity | 54% |
| Wind Speed | NW 10 mph |
| Barometer | 30.11 in |
| Dewpoint | 8°F (-13°C) |
| Visibility | 10.00 mi |
| Wind Chill | 11°F (-12°C) |
| Last update | 15 Jan 1:35 am CST |
Extended Forecast for
Bethalto IL
Overnight
Low: 17 °F
Clear
Thursday
High: 33 °F
Sunny
Thursday Night
Low: 27 °F
Chance Snow
then Mostly
CloudyFriday
High: 44 °F
Mostly Cloudy
Friday Night
Low: 20 °F
Slight Chance
Snow ShowersSaturday
High: 24 °F
Partly Sunny
Saturday Night
Low: 8 °F
Partly Cloudy
Sunday
High: 24 °F
Mostly Sunny
Sunday Night
Low: 14 °F
Partly Cloudy
Detailed Forecast
Overnight
Clear, with a low around 17. Northwest wind 8 to 10 mph.
Thursday
Sunny, with a high near 33. Northwest wind 6 to 8 mph becoming south in the afternoon.
Thursday Night
A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 27. South wind 6 to 10 mph becoming west after midnight.
Friday
Mostly cloudy, with a high near 44. West wind 10 to 18 mph, with gusts as high as 26 mph.
Friday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 20. West wind 11 to 14 mph, with gusts as high as 22 mph.
Saturday
Partly sunny, with a high near 24.
Saturday Night
Partly cloudy, with a low around 8.
Sunday
Mostly sunny, with a high near 24.
Sunday Night
Partly cloudy, with a low around 14.
M.L.King Day
Mostly sunny, with a high near 25.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Sunny, with a high near 31.
Tuesday Night
Mostly clear, with a low around 20.
Wednesday
Mostly sunny, with a high near 40.
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)
12:21 am CST Jan 15, 2026
1am CST Jan 15, 2026-6pm CST Jan 21, 2026
Additional Resources
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