Weather Forecast for
Glen Carbon, IL


Overnight: A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Cloudy, with a low around 47. Northeast wind 5 to 7 mph. Chance of precipitation is 60%.

Wednesday: Showers and thunderstorms. Patchy fog before 2pm. High near 61. Northeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 90%.

Wednesday Night: Showers and possibly a thunderstorm. Patchy fog after 2am. Low around 55. Southeast wind around 7 mph becoming south after midnight. Chance of precipitation is 90%.

Thursday: Showers likely, mainly before 9am. Mostly cloudy, with a high near 66. West wind 5 to 10 mph becoming light southwest in the afternoon. Chance of precipitation is 60%.

Thursday Night: A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Mostly cloudy, with a low around 58. Light south wind increasing to 5 to 9 mph in the evening. Chance of precipitation is 60%.

Friday: A 40 percent chance of showers, mainly before noon. Partly sunny, with a high near 78. Breezy.

Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 55. Chance of precipitation is 90%.

Saturday: A 40 percent chance of showers before noon. Partly sunny, with a high near 64.

Saturday Night: Partly cloudy, with a low around 41.

Sunday: Sunny, with a high near 66.

Sunday Night: Mostly clear, with a low around 48.

Monday: Sunny, with a high near 77.

Monday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.

Tuesday: Showers and thunderstorms likely. Mostly cloudy, with a high near 77. Breezy. Chance of precipitation is 70%.

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