Weather forecast for: Carterville MO
Last Update: 5:41 pm CDT Sep 12, 2026
Tonight: A 30 percent chance of showers and thunderstorms, mainly between 3am and 4am. Partly cloudy, with a low around 69. Light and variable wind.
Sunday: A 30 percent chance of showers and thunderstorms, mainly between 7am and 9am. Mostly cloudy, then gradually becoming sunny and hot, with a high near 96. Heat index values as high as 100. Light and variable wind becoming southeast 5 to 8 mph in the morning.
Sunday Night: Mostly clear, with a low around 73. East wind 5 to 8 mph becoming southeast after midnight.
Monday: Sunny and hot, with a high near 99. Heat index values as high as 104. South wind 8 to 15 mph, with gusts as high as 22 mph.
Monday Night: Clear, with a low around 77. South wind around 14 mph, with gusts as high as 21 mph.
Tuesday: Sunny and hot, with a high near 98.
Tuesday Night: Mostly clear, with a low around 75.
Wednesday: Sunny and hot, with a high near 98.
Wednesday Night: Mostly clear, with a low around 74.
Thursday: Sunny and hot, with a high near 93.
Thursday Night: A chance of showers. Partly cloudy, with a low around 68.
Friday: Mostly sunny, with a high near 90.
Friday Night: Mostly clear, with a low around 64.
Saturday: Mostly sunny, with a high near 84.
WeatherWorld.com
