Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
43°F
6°C
| Humidity | 53% |
| Wind Speed | NW 8 mph |
| Barometer | 30.35 in |
| Dewpoint | 27°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 38°F (3°C) |
| Last update | 11 Feb 11:50 am CST |
Extended Forecast for
Bethalto IL
This Afternoon
High: 50 °F
Sunny
Tonight
Low: 31 °F
Partly Cloudy
Thursday
High: 50 °F
Mostly Cloudy
Thursday Night
Low: 31 °F
Mostly Cloudy
Friday
High: 56 °F
Sunny
Friday Night
Low: 35 °F
Mostly Cloudy
Saturday
High: 52 °F
Slight Chance
Rain then
Chance RainSaturday Night
Low: 41 °F
Chance Rain
Sunday
High: 57 °F
Slight Chance
Rain then
Mostly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 50. Northwest wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 31. Calm wind.
Thursday
Mostly cloudy, with a high near 50. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 31. Southeast wind 3 to 5 mph.
Friday
Sunny, with a high near 56. South wind 5 to 8 mph.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
A 50 percent chance of rain, mainly after noon. Cloudy, with a high near 52.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 41.
Sunday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 35.
Washington's Birthday
Mostly sunny, with a high near 60.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
Mostly cloudy, with a high near 64.
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)
12:26 pm CST Feb 11, 2026
1pm CST Feb 11, 2026-6pm CST Feb 17, 2026
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