Weather forecast for: Dennison IL
Last Update: 3:36 pm CDT Sep 6, 2026
Tonight: Partly cloudy, with a low around 60. Northeast wind 5 to 10 mph, with gusts as high as 17 mph.
Labor Day: Sunny, with a high near 84. East northeast wind 6 to 8 mph.
Monday Night: Partly cloudy, with a low around 62. East northeast wind around 6 mph becoming calm in the evening.
Tuesday: Sunny, with a high near 91. Calm wind becoming south 5 to 7 mph in the morning.
Tuesday Night: Partly cloudy, with a low around 69. South southeast wind 5 to 10 mph, with gusts as high as 16 mph.
Wednesday: Mostly sunny, with a high near 94. West southwest wind 11 to 15 mph, with gusts as high as 22 mph.
Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. West southwest wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Thursday: A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 82.
Thursday Night: Mostly clear, with a low around 58.
Friday: Sunny, with a high near 83.
Friday Night: A chance of showers. Mostly clear, with a low around 60.
Saturday: Sunny, with a high near 87.
Saturday Night: A chance of showers. Partly cloudy, with a low around 64.
Sunday: A chance of showers. Mostly sunny, with a high near 87.
WeatherWorld.com
