Weather forecast for: Carthage IL
Last Update: 1:26 pm CDT Sep 20, 2026
Tonight: A 30 percent chance of showers, mainly between 11pm and 5am. Cloudy, with a steady temperature around 64. Northeast wind around 10 mph, with gusts as high as 20 mph.
Monday: A slight chance of showers before 8am, then a slight chance of showers after 3pm. Cloudy, with a high near 65. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night: A chance of showers before 7pm, then showers likely after 10pm. Mostly cloudy, with a low around 57. Northeast wind around 10 mph. Chance of precipitation is 60%.
Tuesday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 66. Northeast wind around 10 mph.
Tuesday Night: Partly cloudy, with a low around 49.
Wednesday: Mostly sunny, with a high near 68.
Wednesday Night: Partly cloudy, with a low around 51.
Thursday: Partly sunny, with a high near 70.
Thursday Night: Mostly cloudy, with a low around 54.
Friday: Mostly cloudy, with a high near 72.
Friday Night: Mostly cloudy, with a low around 56.
Saturday: Mostly cloudy, with a high near 74.
Saturday Night: Mostly cloudy, with a low around 58.
Sunday: Partly sunny, with a high near 78.