Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
59°F
15°C
| Humidity | 53% |
| Wind Speed | S 9 mph |
| Barometer | 30.06 in |
| Dewpoint | 42°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 30 Mar 12:55 am CDT |
Extended Forecast for
2 Miles NNE Bethalto IL
Overnight

Low: 55 °F
Partly Cloudy
Monday

High: 83 °F
Mostly Sunny
Monday Night

Low: 62 °F
Partly Cloudy
Tuesday

High: 84 °F
Chance
T-storms and
BreezyTuesday Night

Low: 54 °F
Rain
Wednesday

High: 66 °F
Rain
Wednesday Night

Low: 50 °F
Rain
Thursday

High: 66 °F
Rain
Thursday Night

Low: 47 °F
Rain Likely
Detailed Forecast
Overnight
Partly cloudy, with a low around 55. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 83. Southwest wind 11 to 18 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 62. South wind around 15 mph, with gusts as high as 23 mph.
Tuesday
A slight chance of rain, then a chance of rain and thunderstorms after 10am. Mostly sunny, with a high near 84. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 54. Southwest wind 10 to 13 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Wednesday
Rain and possibly a thunderstorm. High near 66. Chance of precipitation is 80%.
Wednesday Night
Rain and possibly a thunderstorm. Low around 50. Chance of precipitation is 90%.
Thursday
Rain. High near 66. Chance of precipitation is 80%.
Thursday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 72.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 55.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Saturday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 61.
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)
10:41 pm CDT Mar 29, 2026
1am CDT Mar 30, 2026-6pm CDT Apr 5, 2026


