Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
62°F
17°C
| Humidity | 88% |
| Wind Speed | S 10 mph |
| Barometer | 29.87 in |
| Dewpoint | 58°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 10 Mar 2:15 am CDT |
Extended Forecast for
2 Miles NNE Bethalto IL
Overnight

Low: 60 °F
Mostly Clear
Tuesday

High: 82 °F
Sunny
Tuesday Night
Low: 52 °F
Slight Chance
T-storms then
T-stormsWednesday
High: 67 °F⇓
Breezy.
T-storms then
ShowersWednesday Night

Low: 32 °F
Mostly Cloudy
Thursday

High: 54 °F
Sunny
Thursday Night
Low: 44 °F
Mostly Cloudy
then Mostly
Cloudy and
BreezyFriday

High: 62 °F
Partly Sunny
Friday Night

Low: 38 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 60. South wind around 8 mph.
Tuesday
Sunny, with a high near 82. South wind 8 to 18 mph, with gusts as high as 26 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 52. Southwest wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers between 1pm and 2pm, then a chance of rain after 2pm. Temperature falling to around 49 by 5pm. Breezy, with a southwest wind 14 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy, with a low around 32. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.
Thursday
Sunny, with a high near 54.
Thursday Night
Mostly cloudy, with a low around 44. Breezy.
Friday
Partly sunny, with a high near 62.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 67.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 49.
Sunday
Rain likely. Mostly cloudy, with a high near 60. Breezy. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 22. Blustery. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 35.
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)
1:25 am CDT Mar 10, 2026
2am CDT Mar 10, 2026-6pm CDT Mar 16, 2026


