Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
41°F
5°C
| Humidity | 83% |
| Wind Speed | Calm |
| Barometer | 30.04 in |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 19 Mar 2:35 am CDT |
Extended Forecast for
2 Miles NNE Bethalto IL
Overnight

Low: 41 °F
Mostly Cloudy
Thursday

High: 74 °F
Becoming
SunnyThursday Night

Low: 48 °F
Mostly Clear
Friday

High: 80 °F
Sunny
Friday Night

Low: 50 °F
Partly Cloudy
Saturday

High: 79 °F
Sunny
Saturday Night

Low: 57 °F
Mostly Clear
Sunday

High: 83 °F
Mostly Sunny
Sunday Night

Low: 39 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 41. Calm wind.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 74. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 48. Southeast wind 3 to 5 mph.
Friday
Sunny, with a high near 80. Light southwest wind becoming west 6 to 11 mph in the morning.
Friday Night
Partly cloudy, with a low around 50. West wind around 6 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 69.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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)
1:30 am CDT Mar 19, 2026
2am CDT Mar 19, 2026-6pm CDT Mar 25, 2026


