Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
66°F
19°C
| Humidity | 78% |
| Wind Speed | S 14 mph |
| Barometer | 29.81 in |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 9 Mar 9:50 pm CDT |
Extended Forecast for
2 Miles ENE Glen Carbon IL
Tonight

Low: 61 °F
Partly Cloudy
Tuesday

High: 79 °F
Partly Sunny
Tuesday Night
Low: 55 °F
Slight Chance
T-storms then
Rain LikelyWednesday

High: 64 °F⇓
Showers and
BreezyWednesday Night

Low: 33 °F
Mostly Cloudy
Thursday

High: 53 °F
Sunny
Thursday Night

Low: 44 °F
Mostly Cloudy
Friday

High: 62 °F
Mostly Cloudy
Friday Night

Low: 40 °F
Mostly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 61. South wind 9 to 13 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 79. South wind 8 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 55. South wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Wednesday
Rain likely and possibly a thunderstorm before 7am, then showers and possibly a thunderstorm between 7am and 1pm, then showers likely after 1pm. Temperature rising to near 64 by 10am, then falling to around 49 during the remainder of the day. Breezy, with a southwest wind 14 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 90%.
Wednesday Night
Mostly cloudy, with a low around 33. Northwest wind 8 to 18 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 53.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
Mostly cloudy, with a high near 62.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 52.
Sunday
A 50 percent chance of rain. Mostly cloudy, with a high near 64. Breezy.
Sunday Night
A chance of rain and snow. Partly cloudy, with a low around 28. Blustery. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 40.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles ENE Glen Carbon IL
38.77°N 89.94°W (Elev. 564 ft)
38.77°N 89.94°W (Elev. 564 ft)
7:21 pm CDT Mar 9, 2026
10pm CDT Mar 9, 2026-6pm CDT Mar 16, 2026


