Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
59°F
15°C
| Humidity | 100% |
| Wind Speed | S 9 mph |
| Barometer | 29.86 in |
| Dewpoint | 59°F (15°C) |
| Visibility | 7.00 mi |
| Last update | 10 Mar 6:50 am CDT |
Extended Forecast for
Bethalto IL
Today
High: 82 °F
Sunny
Tonight
Low: 53 °F
Slight Chance
T-storms then
T-stormsWednesday
High: 64 °F⇓
Breezy.
T-storms then
ShowersWednesday Night
Low: 33 °F
Mostly Cloudy
and Breezy
then Partly
CloudyThursday
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
Saturday
High: 67 °F
Partly Sunny
Detailed Forecast
Today
Sunny, with a high near 82. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 53. 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. Temperature falling to around 48 by 5pm. Breezy, with a southwest wind 14 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 33. Breezy, with a northwest wind 15 to 20 mph decreasing to 7 to 12 mph after midnight.
Thursday
Sunny, with a high near 54. Light and variable wind becoming southwest 5 to 10 mph in the morning.
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 after 1am. Partly cloudy, with a low around 49.
Sunday
Rain likely. Mostly cloudy, with a high near 61. 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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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)
5:31 am CDT Mar 10, 2026
7am CDT Mar 10, 2026-6pm CDT Mar 16, 2026
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