Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

75°F

24°C

Humidity 69%
Wind Speed S 18 G 29 mph
Barometer 29.74 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 10 Mar 6:50 pm CDT
Extended Forecast for

Glen Carbon IL

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am.  Mostly cloudy, with a low around 55. South wind 13 to 15 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%.

    Low: 55 °F

    Mostly Cloudy
    then Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 3pm, then a slight chance of showers between 3pm and 4pm.  Temperature falling to around 48 by 5pm. Breezy, with a southwest wind 16 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph.  Chance of precipitation is 90%.

    High: 67 °F

    Breezy.
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 32. Breezy, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph.

    Low: 32 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 54. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 44 °F

    Partly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain and thunderstorms after 1am.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 55. South wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Wednesday
Showers and possibly a thunderstorm before 3pm, then a slight chance of showers between 3pm and 4pm. Temperature falling to around 48 by 5pm. Breezy, with a southwest wind 16 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 90%.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. Breezy, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph.
Thursday
Sunny, with a high near 54. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 44. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Friday
Partly sunny, with a high near 60.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
A 20 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 51.
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 22. Blustery. Chance of precipitation is 30%.
Monday
Sunny, with a high near 35.
Monday Night
Mostly clear, with a low around 19.
Tuesday
Partly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
Glen Carbon IL
 38.74°N 89.94°W (Elev. 568 ft)
6:00 pm CDT Mar 10, 2026
7pm CDT Mar 10, 2026-6pm CDT Mar 17, 2026
 
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Additional Resources

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