National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Partly Cloudy

67°F

19°C

Humidity 98%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 1 Jun 11:35 pm CDT
Extended Forecast for

Glen Carbon IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 63. West wind 3 to 5 mph.

    Low: 63 °F

    Mostly Cloudy

  • Sunday

    Sunday: Patchy dense fog before 7am. Otherwise, mostly sunny, with a high near 83. North wind 3 to 5 mph.

    High: 83 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Isolated showers between 1am and 4am, then isolated showers and thunderstorms after 4am. Partly cloudy, with a low around 65. Southeast wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Partly Cloudy
    then Isolated
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. South wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 86 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 69. South wind 6 to 10 mph. Chance of precipitation is 60%.

    Low: 69 °F

    T-storms
    Likely then
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 70%.

    High: 84 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.

    Low: 70 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.

    High: 84 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 63. West wind 3 to 5 mph.
Sunday
Patchy dense fog before 7am. Otherwise, mostly sunny, with a high near 83. North wind 3 to 5 mph.
Sunday Night
Isolated showers between 1am and 4am, then isolated showers and thunderstorms after 4am. Partly cloudy, with a low around 65. Southeast wind 3 to 6 mph. Chance of precipitation is 20%.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. South wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 69. South wind 6 to 10 mph. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Glen Carbon IL
 38.75°N 89.97°W (Elev. 499 ft)
Last Update:
11:52 pm CDT Jun 1, 2024
Forecast Valid:
12am CDT Jun 2, 2024-6pm CDT Jun 8, 2024
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation