Weather forecast for: Preemption IL
Last Update: 8:36 pm CDT Sep 3, 2026
Tonight: Clear, with a low around 75. South wind around 10 mph.
Friday: Sunny, with a high near 94. Heat index values as high as 105. Southwest wind around 10 mph.
Friday Night: A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly clear, with a low around 72. South wind around 5 mph becoming west after midnight. Chance of precipitation is 20%.
Saturday: Sunny, with a high near 91. Heat index values as high as 100. Northwest wind around 5 mph becoming northeast in the afternoon.
Saturday Night: Mostly clear, with a low around 68.
Sunday: Mostly sunny, with a high near 86.
Sunday Night: Partly cloudy, with a low around 65.
Labor Day: Mostly sunny, with a high near 85.
Monday Night: Partly cloudy, with a low around 68.
Tuesday: Mostly sunny, with a high near 92.
Tuesday Night: A 30 percent chance of showers. Partly cloudy, with a low around 74.
Wednesday: Mostly sunny, with a high near 91.
Wednesday Night: A 30 percent chance of showers. Partly cloudy, with a low around 70.
Thursday: Mostly sunny, with a high near 86.