Weather forecast for: Dennison IL
Last Update: 8:41 pm CDT Oct 28, 2026
Tonight: Mostly clear, with a low around 50. South wind 3 to 6 mph.
Thursday: Sunny, with a high near 79. West southwest wind 6 to 11 mph, with gusts as high as 17 mph.
Thursday Night: Partly cloudy, with a low around 51. West northwest wind around 6 mph becoming calm.
Friday: Mostly sunny, with a high near 74. East wind around 6 mph.
Friday Night: Mostly cloudy, with a low around 52. East southeast wind 3 to 5 mph.
Saturday: Mostly cloudy, with a high near 72. East southeast wind around 5 mph.
Saturday Night: Mostly cloudy, with a low around 53. Light east wind.
Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 67.
Sunday Night: Mostly cloudy, with a low around 52.
Monday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 69.
Monday Night: A chance of showers. Mostly cloudy, with a low around 55.
Tuesday: A chance of showers. Partly sunny, with a high near 72.
Tuesday Night: A chance of showers. Mostly cloudy, with a low around 55.
Wednesday: Showers likely. Partly sunny, with a high near 69.