Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
45°F
7°C
| Humidity | 46% |
| Wind Speed | E 5 mph |
| Barometer | 30.38 in |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 42°F (6°C) |
| Last update | 23 Mar 7:50 pm CDT |
Extended Forecast for
2 Miles NNE Bethalto IL
Tonight

Low: 35 °F
Mostly Cloudy
Tuesday

High: 61 °F
Decreasing
CloudsTuesday Night

Low: 42 °F
Mostly Cloudy
Wednesday

High: 75 °F
Mostly Sunny
Wednesday Night

Low: 61 °F
Mostly Clear
Thursday

High: 89 °F
Sunny
Thursday Night

Low: 41 °F
Showers and
BreezyFriday

High: 52 °F
Chance
Showers and
BreezyFriday Night

Low: 30 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 35. East wind 5 to 10 mph, with gusts as high as 26 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 61. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 42. Southeast wind 6 to 9 mph.
Wednesday
Mostly sunny, with a high near 75. South wind 6 to 11 mph.
Wednesday Night
Mostly clear, with a low around 61. South wind around 10 mph.
Thursday
Sunny, with a high near 89.
Thursday Night
Showers and possibly a thunderstorm. Low around 41. Breezy. Chance of precipitation is 80%.
Friday
A chance of showers before 1pm, then a slight chance of rain after 1pm. Mostly cloudy, with a high near 52. Breezy. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
A 20 percent chance of rain. Mostly sunny, with a high near 71.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles NNE Bethalto IL
38.92°N 90.02°W (Elev. 512 ft)
38.92°N 90.02°W (Elev. 512 ft)
8:36 pm CDT Mar 23, 2026
8pm CDT Mar 23, 2026-6pm CDT Mar 30, 2026


