Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Thunderstorm Heavy Rain and Windy
67°F
19°C
| Humidity | 81% |
| Wind Speed | SW 37 G 67 mph |
| Barometer | 29.66 in |
| Dewpoint | 61°F (16°C) |
| Visibility | 4.00 mi |
| Last update | 11 Mar 3:55 am CDT |
Extended Forecast for
Glen Carbon IL
Severe T-storm Warning until March 11, 04:45am
NOW until 4:45am Wed
Severe T-storm Warning
Overnight
Low: 69 °F
Heavy Rain
Wednesday
High: 64 °F⇓
Heavy Rain
then Rain
Likely and
BreezyWednesday Night
Low: 31 °F
Mostly Cloudy
and Blustery
then Mostly
ClearThursday
High: 54 °F
Sunny
Thursday Night
Low: 44 °F
Partly Cloudy
then Partly
Cloudy and
BreezyFriday
High: 60 °F
Partly Sunny
Friday Night
Low: 37 °F
Mostly Cloudy
Saturday
High: 62 °F
Partly Sunny
Detailed Forecast
Overnight
Rain and thunderstorms likely, then rain and possibly a thunderstorm after 5am. Some of the storms could produce heavy rainfall. Steady temperature around 69. Southwest wind around 9 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Wednesday
Rain and possibly a thunderstorm before 3pm, then a slight chance of rain between 3pm and 4pm. Some of the storms could produce heavy rainfall. Temperature falling to around 47 by 4pm. Breezy, with a southwest wind 13 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 31. Blustery, with a northwest wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 30 mph.
Thursday
Sunny, with a high near 54. Light west wind becoming southwest 6 to 11 mph in the morning.
Thursday Night
Partly cloudy, with a low around 44. Breezy, with a south wind 11 to 21 mph, with gusts as high as 31 mph.
Friday
Partly sunny, with a high near 60.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Partly sunny, with a high near 62.
Saturday Night
A 20 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 53.
Sunday
Rain likely and possibly a thunderstorm, then rain after 1pm. High near 64. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Blustery. Chance of precipitation is 30%.
Monday
Sunny, with a high near 38. Breezy.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 42.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Glen Carbon IL
38.74°N 89.94°W (Elev. 568 ft)
38.74°N 89.94°W (Elev. 568 ft)
3:01 am CDT Mar 11, 2026
4am CDT Mar 11, 2026-6pm CDT Mar 17, 2026
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