Weather forecast for: Percy IL
Last Update: 3:46 pm CDT Sep 5, 2026
This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 101. Heat index values as high as 106. Northwest wind around 5 mph.
Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Calm wind becoming northeast around 5 mph after midnight.
Sunday: Sunny, with a high near 91. Northeast wind 5 to 9 mph.
Sunday Night: Mostly clear, with a low around 63. Northeast wind 3 to 7 mph.
Labor Day: Sunny, with a high near 89. East wind 3 to 5 mph.
Monday Night: Mostly clear, with a low around 64.
Tuesday: Sunny, with a high near 94.
Tuesday Night: Mostly clear, with a low around 71.
Wednesday: Sunny and hot, with a high near 98.
Wednesday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly clear, with a low around 71. Chance of precipitation is 30%.
Thursday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Thursday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Friday: A 20 percent chance of showers. Mostly sunny, with a high near 88.
Friday Night: A 20 percent chance of showers. Partly cloudy, with a low around 63.
Saturday: Sunny, with a high near 91.
WeatherWorld.com
